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✓ Prices checked Oct 7, 2026
Best eSIM for South Korea in 2026
Every prepaid eSIM plan for South Korea from every major provider, ranked by the same formulas — $/GB, $/day and fair-use fine print decoded.
Quick verdict
What is the best eSIM for South Korea?
It depends on how you travel and on how much data you actually use. Three picks computed from all 185 plans we track — prices checked Oct 7, 2026.
Roamic
South Korea eSIM 1GB / 7 Days — $1.00 ($0.14/day)
The full database
All South Korea eSIM plans compared
| Provider | Plan | Data | Validity | Price | $/day | $/GB | Network | Link |
|---|---|---|---|---|---|---|---|---|
Roami
Best value
|
20GB / 7 Days | 20GB | 7 days | $10.99 | $1.57 | $0.55 | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM 50GB / 30 Days | 50GB | 30 days | $29.00 | $0.97 | $0.58 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
30GB / 15 Days | 30GB | 15 days | $19.99 | $1.33 | $0.67 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
10GB / 3 Days | 10GB | 3 days | $6.99 | $2.33 | $0.70 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
10GB / 7 Days | 10GB | 7 days | $6.99 | $1.00 | $0.70 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
20GB / 15 Days | 20GB | 15 days | $13.99 | $0.93 | $0.70 | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM 10GB / 30 Days | 10GB | 30 days | $7.00 | $0.23 | $0.70 | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM 20GB / 30 Days | 20GB | 30 days | $14.00 | $0.47 | $0.70 | SK Telecom, KT, LG U+ | View plan |
Ubigi
|
20GB / 30 Days | 20GB | 30 days | $14.00 | $0.47 | $0.70 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
50GB / 30 Days | 50GB | 30 days | $37.99 | $1.27 | $0.76 | SK Telecom, KT, LG U+ | View plan |
Nomad
|
Local South Korea - 30 Days - 50 GB | 50GB | 30 days | $39.00 | $1.30 | $0.78 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
10GB / 15 Days | 10GB | 15 days | $7.99 | $0.53 | $0.80 | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM 5GB / 21 Days | 5GB | 21 days | $4.00 | $0.19 | $0.80 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
Most data
|
60GB / 30 Days | 60GB | 30 days | $49.00 | $1.63 | $0.82 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
Most data
|
60GB / 365 Days | 60GB | 365 days | $49.00 | $0.13 | $0.82 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
30GB / 30 Days | 30GB | 30 days | $25.99 | $0.87 | $0.87 | SK Telecom, KT, LG U+ | View plan |
Jetpac
|
South Korea 10GB | 10GB | 1 days | $9.50 | $9.50 | $0.95 | SK Telecom, KT, LG U+ | View plan |
Airalo
|
Jjang - 50 GB | 50GB | 30 days | $49.00 | $1.63 | $0.98 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
3GB / 3 Days | 3GB | 3 days | $2.99 | $1.00 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
5GB / 3 Days | 5GB | 3 days | $4.99 | $1.66 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
5GB / 7 Days | 5GB | 7 days | $4.99 | $0.71 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Roamic
Cheapest
|
South Korea eSIM 1GB / 7 Days | 1GB | 7 days | $1.00 | $0.14 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM 3GB / 14 Days | 3GB | 14 days | $3.00 | $0.21 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
|
25GB / 30 Days | 25GB | 30 days | $25.00 | $0.83 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
|
25GB / 7 Days | 25GB | 7 days | $25.00 | $3.57 | $1.00 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
10GB / 30 Days | 10GB | 30 days | $10.99 | $0.37 | $1.10 | SK Telecom, KT, LG U+ | View plan |
Yesim
|
30GB / 30 Days | 30GB | 30 days | $33.11 | $1.10 | $1.10 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 40GB | 40GB | 30 days | $44.99 | $1.50 | $1.12 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 15GB | 15GB | 7 days | $17.00 | $2.43 | $1.13 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
|
30GB / 15 Days | 30GB | 15 days | $34.00 | $2.27 | $1.13 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
20GB / 30 Days | 20GB | 30 days | $22.99 | $0.77 | $1.15 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 30GB | 30GB | 30 days | $34.99 | $1.17 | $1.17 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
5GB / 15 Days | 5GB | 15 days | $5.99 | $0.40 | $1.20 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 10GB | 10GB | 4 days | $12.00 | $3.00 | $1.20 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
|
10GB / 7 Days | 10GB | 7 days | $12.00 | $1.71 | $1.20 | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
20GB / 30 Days | 20GB | 30 days | $26.42 | $0.88 | $1.32 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
3GB / 7 Days | 3GB | 7 days | $3.99 | $0.57 | $1.33 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
5GB / 30 Days | 5GB | 30 days | $6.99 | $0.23 | $1.40 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 5GB | 5GB | 1 days | $7.00 | $7.00 | $1.40 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 10GB | 10GB | 7 days | $14.00 | $2.00 | $1.40 | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
Local South Korea - 30 Days - 20 GB | 20GB | 30 days | $28.00 | $0.93 | $1.40 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
|
10GB / 30 Days | 10GB | 30 days | $14.00 | $0.47 | $1.40 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 20 GB | 20GB | 15 days | $29.00 | $1.93 | $1.45 | SK Telecom, KT, LG U+ | View plan |
Saily
|
South Korea 20GB 30 days | 20GB | 30 days | $29.99 | $1.00 | $1.50 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 20 GB | 20GB | 30 days | $30.00 | $1.00 | $1.50 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 15GB | 15GB | 30 days | $22.50 | $0.75 | $1.50 | SK Telecom, KT, LG U+ | View plan |
aloSIM
|
20GB / 30 Days | 20GB | 30 days | $32.00 | $1.07 | $1.60 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 5GB | 5GB | 4 days | $8.00 | $2.00 | $1.60 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 10GB | 10GB | 30 days | $17.00 | $0.57 | $1.70 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 10 GB | 10GB | 7 days | $18.00 | $2.57 | $1.80 | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
South Korea 10 GB 30 Days | 10GB | 30 days | $18.00 | $0.60 | $1.80 | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
10GB / 30 Days | 10GB | 30 days | $18.14 | $0.60 | $1.81 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 10 GB | 10GB | 15 days | $18.50 | $1.23 | $1.85 | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea 10GB 30 days | 10GB | 30 days | $18.99 | $0.63 | $1.90 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 10 GB | 10GB | 30 days | $19.00 | $0.63 | $1.90 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 5GB | 5GB | 7 days | $9.50 | $1.36 | $1.90 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
1GB / 3 Days | 1GB | 3 days | $1.99 | $0.66 | $1.99 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
3GB / 15 Days | 3GB | 15 days | $5.99 | $0.40 | $2.00 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 5 GB | 5GB | 7 days | $10.00 | $1.43 | $2.00 | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
South Korea 5 GB 30 Days | 5GB | 30 days | $10.00 | $0.33 | $2.00 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 5 GB | 5GB | 15 days | $10.50 | $0.70 | $2.10 | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
10GB / 30 Days | 10GB | 30 days | $21.00 | $0.70 | $2.10 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 20GB | 20GB | 30 days | $43.00 | $1.43 | $2.15 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 3GB | 3GB | 1 days | $6.50 | $6.50 | $2.17 | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea 5GB 30 days | 5GB | 30 days | $10.99 | $0.37 | $2.20 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 5 GB | 5GB | 30 days | $11.00 | $0.37 | $2.20 | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
5GB / 30 Days | 5GB | 30 days | $11.00 | $0.37 | $2.20 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 5GB | 5GB | 30 days | $11.00 | $0.37 | $2.20 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
3GB / 30 Days | 3GB | 30 days | $6.99 | $0.23 | $2.33 | SK Telecom, KT, LG U+ | View plan |
|
Ubigi
|
3GB / 7 Days | 3GB | 7 days | $7.00 | $1.00 | $2.33 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 3GB | 3GB | 4 days | $7.50 | $1.88 | $2.50 | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - 3 GB | 3GB | 3 days | $8.00 | $2.67 | $2.67 | SK Telecom, KT, LG U+ | View plan |
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Nomad
|
South Korea 3 GB 30 Days | 3GB | 30 days | $8.00 | $0.27 | $2.67 | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
1GB / 30 Days | 1GB | 30 days | $2.84 | $0.09 | $2.84 | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
1GB / 7 Days | 1GB | 7 days | $2.99 | $0.43 | $2.99 | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea 3GB 30 days | 3GB | 30 days | $8.99 | $0.30 | $3.00 | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - 3 GB | 3GB | 7 days | $9.00 | $1.29 | $3.00 | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
3GB / 30 Days | 3GB | 30 days | $9.00 | $0.30 | $3.00 | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea 3GB | 3GB | 7 days | $9.00 | $1.29 | $3.00 | SK Telecom, KT, LG U+ | View plan |
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Ubigi
|
1GB / 7 Days | 1GB | 7 days | $3.00 | $0.43 | $3.00 | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
2GB / 15 Days | 2GB | 15 days | $7.00 | $0.47 | $3.50 | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea 1GB 7 days | 1GB | 7 days | $3.99 | $0.57 | $3.99 | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - 1 GB | 1GB | 3 days | $4.00 | $1.33 | $4.00 | SK Telecom, KT, LG U+ | View plan |
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Nomad
|
South Korea 1 GB 7 Days | 1GB | 7 days | $4.00 | $0.57 | $4.00 | SK Telecom, KT, LG U+ | View plan |
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aloSIM
|
1GB / 7 Days | 1GB | 7 days | $4.50 | $0.64 | $4.50 | SK Telecom, KT, LG U+ | View plan |
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Jetpac
|
South Korea 1GB | 1GB | 4 days | $7.00 | $1.75 | $7.00 | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - Unlimited | Unlimited | 3 days | $12.00 | $4.00 | — | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - Unlimited | Unlimited | 5 days | $20.00 | $4.00 | — | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - Unlimited | Unlimited | 7 days | $29.00 | $4.14 | — | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - Unlimited | Unlimited | 10 days | $35.00 | $3.50 | — | SK Telecom, KT, LG U+ | View plan |
|
Airalo
|
Jjang - Unlimited | Unlimited | 15 days | $49.00 | $3.27 | — | SK Telecom, KT, LG U+ | View plan |
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Airalo
|
Jjang - Unlimited | Unlimited | 30 days | $69.00 | $2.30 | — | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
Unlimited / 3 Days | Unlimited | 3 days | $12.50 | $4.17 | — | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
Unlimited / 5 Days | Unlimited | 5 days | $20.50 | $4.10 | — | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
Unlimited / 7 Days | Unlimited | 7 days | $29.50 | $4.21 | — | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
Unlimited / 10 Days | Unlimited | 10 days | $35.00 | $3.50 | — | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
Unlimited / 15 Days | Unlimited | 15 days | $49.00 | $3.27 | — | SK Telecom, KT, LG U+ | View plan |
|
aloSIM
|
Unlimited / 30 Days | Unlimited | 30 days | $72.50 | $2.42 | — | SK Telecom, KT, LG U+ | View plan |
Holafly
|
Unlimited / 3 Days | Unlimited | 3 days | $12.50 | $4.17 | — | SK Telecom, KT, LG U+ | View plan |
|
Holafly
|
Unlimited / 5 Days | Unlimited | 5 days | $20.50 | $4.10 | — | SK Telecom, KT, LG U+ | View plan |
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Holafly
|
Unlimited / 7 Days | Unlimited | 7 days | $27.50 | $3.93 | — | SK Telecom, KT, LG U+ | View plan |
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Holafly
|
Unlimited / 10 Days | Unlimited | 10 days | $36.50 | $3.65 | — | SK Telecom, KT, LG U+ | View plan |
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Holafly
|
Unlimited / 15 Days | Unlimited | 15 days | $50.50 | $3.37 | — | SK Telecom, KT, LG U+ | View plan |
|
Holafly
|
Unlimited / 30 Days | Unlimited | 30 days | $73.90 | $2.46 | — | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea Unlimited - 3 days | Unlimited | 3 days | $12.99 | $4.33 | — | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea Unlimited - 5 days | Unlimited | 5 days | $19.99 | $4.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea Unlimited (7 Days) | Unlimited | 7 days | $26.99 | $3.86 | — | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea Unlimited (10 Days) | Unlimited | 10 days | $33.99 | $3.40 | — | SK Telecom, KT, LG U+ | View plan |
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Jetpac
|
South Korea Unlimited - 15 days | Unlimited | 15 days | $41.99 | $2.80 | — | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea Unlimited - 21 days | Unlimited | 21 days | $49.99 | $2.38 | — | SK Telecom, KT, LG U+ | View plan |
|
Jetpac
|
South Korea Unlimited - 30 days | Unlimited | 30 days | $65.99 | $2.20 | — | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
Day Plan -South Korea -2GB/Day -3 Days | Unlimited | 3 days | $11.00 | $3.67 | — | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
Day Plan -South Korea -2GB/Day -5 Days | Unlimited | 5 days | $18.00 | $3.60 | — | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
Day Plan -South Korea -2GB/Day -7 Days | Unlimited | 7 days | $25.00 | $3.57 | — | SK Telecom, KT, LG U+ | View plan |
|
Nomad
|
Day Plan -South Korea -2GB/Day -10 Days | Unlimited | 10 days | $33.00 | $3.30 | — | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
Unlimited / 3 Days | Unlimited | 3 days | $8.99 | $3.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
Unlimited / 7 Days | Unlimited | 7 days | $24.99 | $3.57 | — | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
Unlimited / 15 Days | Unlimited | 15 days | $31.99 | $2.13 | — | SK Telecom, KT, LG U+ | View plan |
|
Roami
|
Unlimited / 30 Days | Unlimited | 30 days | $61.99 | $2.07 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 1 Day | Unlimited | 1 days | $3.00 | $3.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 2 Days | Unlimited | 2 days | $5.00 | $2.50 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 3 Days | Unlimited | 3 days | $8.00 | $2.67 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 4 Days | Unlimited | 4 days | $10.00 | $2.50 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 5 Days | Unlimited | 5 days | $12.00 | $2.40 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 6 Days | Unlimited | 6 days | $15.00 | $2.50 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 7 Days | Unlimited | 7 days | $16.00 | $2.29 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 8 Days | Unlimited | 8 days | $18.00 | $2.25 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 9 Days | Unlimited | 9 days | $19.00 | $2.11 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 10 Days | Unlimited | 10 days | $21.00 | $2.10 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 11 Days | Unlimited | 11 days | $22.00 | $2.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 12 Days | Unlimited | 12 days | $24.00 | $2.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 13 Days | Unlimited | 13 days | $26.00 | $2.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 14 Days | Unlimited | 14 days | $27.00 | $1.93 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 15 Days | Unlimited | 15 days | $29.00 | $1.93 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 16 Days | Unlimited | 16 days | $30.00 | $1.88 | — | SK Telecom, KT, LG U+ | View plan |
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Roamic
|
South Korea eSIM Unlimited Data / 17 Days | Unlimited | 17 days | $31.00 | $1.82 | — | SK Telecom, KT, LG U+ | View plan |
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Roamic
|
South Korea eSIM Unlimited Data / 19 Days | Unlimited | 19 days | $32.00 | $1.68 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 18 Days | Unlimited | 18 days | $32.00 | $1.78 | — | SK Telecom, KT, LG U+ | View plan |
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Roamic
|
South Korea eSIM Unlimited Data / 20 Days | Unlimited | 20 days | $34.00 | $1.70 | — | SK Telecom, KT, LG U+ | View plan |
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Roamic
|
South Korea eSIM Unlimited Data / 22 Days | Unlimited | 22 days | $35.00 | $1.59 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 21 Days | Unlimited | 21 days | $35.00 | $1.67 | — | SK Telecom, KT, LG U+ | View plan |
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Roamic
|
South Korea eSIM Unlimited Data / 23 Days | Unlimited | 23 days | $36.00 | $1.57 | — | SK Telecom, KT, LG U+ | View plan |
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Roamic
|
South Korea eSIM Unlimited Data / 25 Days | Unlimited | 25 days | $37.00 | $1.48 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 24 Days | Unlimited | 24 days | $37.00 | $1.54 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 26 Days | Unlimited | 26 days | $38.00 | $1.46 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 28 Days | Unlimited | 28 days | $39.00 | $1.39 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 27 Days | Unlimited | 27 days | $39.00 | $1.44 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 29 Days | Unlimited | 29 days | $40.00 | $1.38 | — | SK Telecom, KT, LG U+ | View plan |
|
Roamic
|
South Korea eSIM Unlimited Data / 30 Days | Unlimited | 30 days | $41.00 | $1.37 | — | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea UNLIMITED 5 days | Unlimited | 5 days | $18.99 | $3.80 | — | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea UNLIMITED 10 days | Unlimited | 10 days | $34.99 | $3.50 | — | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea UNLIMITED 15 days | Unlimited | 15 days | $48.99 | $3.27 | — | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea UNLIMITED 20 days | Unlimited | 20 days | $59.99 | $3.00 | — | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea UNLIMITED 25 days | Unlimited | 25 days | $65.99 | $2.64 | — | SK Telecom, KT, LG U+ | View plan |
|
Saily
|
South Korea UNLIMITED 30 days | Unlimited | 30 days | $71.99 | $2.40 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 1 Day | Unlimited | 1 days | $3.97 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 2 Days | Unlimited | 2 days | $7.94 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 3 Days | Unlimited | 3 days | $11.91 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 4 Days | Unlimited | 4 days | $15.88 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 5 Days | Unlimited | 5 days | $19.85 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 6 Days | Unlimited | 6 days | $23.82 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 7 Days | Unlimited | 7 days | $27.78 | $3.97 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 8 Days | Unlimited | 8 days | $29.84 | $3.73 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 9 Days | Unlimited | 9 days | $31.90 | $3.54 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 10 Days | Unlimited | 10 days | $33.95 | $3.40 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 11 Days | Unlimited | 11 days | $36.01 | $3.27 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 12 Days | Unlimited | 12 days | $38.06 | $3.17 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 13 Days | Unlimited | 13 days | $40.12 | $3.09 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 14 Days | Unlimited | 14 days | $42.18 | $3.01 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 15 Days | Unlimited | 15 days | $44.23 | $2.95 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 16 Days | Unlimited | 16 days | $45.59 | $2.85 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 17 Days | Unlimited | 17 days | $46.95 | $2.76 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 18 Days | Unlimited | 18 days | $48.31 | $2.68 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 19 Days | Unlimited | 19 days | $49.67 | $2.61 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 20 Days | Unlimited | 20 days | $51.03 | $2.55 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 21 Days | Unlimited | 21 days | $52.39 | $2.49 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 22 Days | Unlimited | 22 days | $53.75 | $2.44 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 23 Days | Unlimited | 23 days | $55.12 | $2.40 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 24 Days | Unlimited | 24 days | $56.48 | $2.35 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 25 Days | Unlimited | 25 days | $57.84 | $2.31 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 26 Days | Unlimited | 26 days | $59.20 | $2.28 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 27 Days | Unlimited | 27 days | $60.56 | $2.24 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 28 Days | Unlimited | 28 days | $61.92 | $2.21 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 29 Days | Unlimited | 29 days | $63.28 | $2.18 | — | SK Telecom, KT, LG U+ | View plan |
|
Yesim
|
Unlimited / 30 Days | Unlimited | 30 days | $64.64 | $2.15 | — | SK Telecom, KT, LG U+ | View plan |
Prices in USD as listed by each provider, excluding promo codes and taxes. Badges are literal sort positions, not editorial picks — see our methodology.
What the numbers mean
What South Korea eSIM prices reveal
Data in South Korea is affordable. Picking the wrong shape of it costs you. The floor in South Korea is Roamic’s 1GB / 7 Days, at $1.00. Small plans in South Korea cost 1.8 times more per gigabyte than its best plan. Roami wins on rate, at $0.55/GB for a 20GB / 7-day bucket. Across 10 providers the board runs to 185 plans for South Korea, 99 sold as unlimited.
On a daily basis, unlimited is cheapest with Roamic at $1.37. Against $0.55/GB for metered data, unlimited only wins past about 2.5GB a day. A week split between Seoul and Busan is where the small-bucket advice stops holding. There is no registration barrier in South Korea, so price and setup speed are what separate an eSIM from a local SIM.
The national networks are SK Telecom, KT and LG U+, all 5G. Throughput in South Korea sits in a 20-350 Mbps band, network permitting. SK Telecom covers the widest ground, so it is the default for anything beyond Seoul. The trade-off is LG U+, which holds up in town and less so in between. Trips that continue into Japan need a separate plan, because coverage stops at the border.
Fine print decoded
Is unlimited eSIM data really unlimited in South Korea?
Every "unlimited" plan on this page, with its fair-use policy decoded:
| Provider | Plan | Price | $/day | Fair-use policy |
|---|---|---|---|---|
|
Roamic
|
South Korea eSIM Unlimited Data / 1 Day | $3.00 | $3.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 1 Day | $3.97 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 2 Days | $5.00 | $2.50 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 2 Days | $7.94 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 3 Days | $8.00 | $2.67 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roami
|
Unlimited / 3 Days | $8.99 | $3.00 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 4 Days | $10.00 | $2.50 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Nomad
|
Day Plan -South Korea -2GB/Day -3 Days | $11.00 | $3.67 | 2 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 3 Days | $11.91 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Airalo
|
Jjang - Unlimited | $12.00 | $4.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 5 Days | $12.00 | $2.40 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
Unlimited / 3 Days | $12.50 | $4.17 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Holafly
|
Unlimited / 3 Days | $12.50 | $4.17 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Jetpac
|
South Korea Unlimited - 3 days | $12.99 | $4.33 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 6 Days | $15.00 | $2.50 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 4 Days | $15.88 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 7 Days | $16.00 | $2.29 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Nomad
|
Day Plan -South Korea -2GB/Day -5 Days | $18.00 | $3.60 | 2 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 8 Days | $18.00 | $2.25 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
South Korea UNLIMITED 5 days | $18.99 | $3.80 | 5 GB per day at full speed, then ∞ at 1kbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 9 Days | $19.00 | $2.11 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 5 Days | $19.85 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Jetpac
|
South Korea Unlimited - 5 days | $19.99 | $4.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Airalo
|
Jjang - Unlimited | $20.00 | $4.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
Unlimited / 5 Days | $20.50 | $4.10 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Holafly
|
Unlimited / 5 Days | $20.50 | $4.10 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Roamic
|
South Korea eSIM Unlimited Data / 10 Days | $21.00 | $2.10 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 11 Days | $22.00 | $2.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 6 Days | $23.82 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 12 Days | $24.00 | $2.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roami
|
Unlimited / 7 Days | $24.99 | $3.57 | No fair-use policy published — treat speed claims with caution |
|
Nomad
|
Day Plan -South Korea -2GB/Day -7 Days | $25.00 | $3.57 | 2 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 13 Days | $26.00 | $2.00 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Jetpac
|
South Korea Unlimited (7 Days) | $26.99 | $3.86 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 14 Days | $27.00 | $1.93 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Holafly
|
Unlimited / 7 Days | $27.50 | $3.93 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Yesim
|
Unlimited / 7 Days | $27.78 | $3.97 | No fair-use policy published — treat speed claims with caution |
|
Airalo
|
Jjang - Unlimited | $29.00 | $4.14 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 15 Days | $29.00 | $1.93 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
Unlimited / 7 Days | $29.50 | $4.21 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Yesim
|
Unlimited / 8 Days | $29.84 | $3.73 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 16 Days | $30.00 | $1.88 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 17 Days | $31.00 | $1.82 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 9 Days | $31.90 | $3.54 | No fair-use policy published — treat speed claims with caution |
|
Roami
|
Unlimited / 15 Days | $31.99 | $2.13 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 19 Days | $32.00 | $1.68 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 18 Days | $32.00 | $1.78 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Nomad
|
Day Plan -South Korea -2GB/Day -10 Days | $33.00 | $3.30 | 2 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 10 Days | $33.95 | $3.40 | No fair-use policy published — treat speed claims with caution |
|
Jetpac
|
South Korea Unlimited (10 Days) | $33.99 | $3.40 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 20 Days | $34.00 | $1.70 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
South Korea UNLIMITED 10 days | $34.99 | $3.50 | 5 GB per day at full speed, then ∞ at 1kbps |
|
Airalo
|
Jjang - Unlimited | $35.00 | $3.50 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
Unlimited / 10 Days | $35.00 | $3.50 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 22 Days | $35.00 | $1.59 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 21 Days | $35.00 | $1.67 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 23 Days | $36.00 | $1.57 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 11 Days | $36.01 | $3.27 | No fair-use policy published — treat speed claims with caution |
|
Holafly
|
Unlimited / 10 Days | $36.50 | $3.65 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Roamic
|
South Korea eSIM Unlimited Data / 25 Days | $37.00 | $1.48 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 24 Days | $37.00 | $1.54 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 26 Days | $38.00 | $1.46 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 12 Days | $38.06 | $3.17 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 28 Days | $39.00 | $1.39 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 27 Days | $39.00 | $1.44 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Roamic
|
South Korea eSIM Unlimited Data / 29 Days | $40.00 | $1.38 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 13 Days | $40.12 | $3.09 | No fair-use policy published — treat speed claims with caution |
|
Roamic
|
South Korea eSIM Unlimited Data / 30 Days | $41.00 | $1.37 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Jetpac
|
South Korea Unlimited - 15 days | $41.99 | $2.80 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Yesim
|
Unlimited / 14 Days | $42.18 | $3.01 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 15 Days | $44.23 | $2.95 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 16 Days | $45.59 | $2.85 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 17 Days | $46.95 | $2.76 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 18 Days | $48.31 | $2.68 | No fair-use policy published — treat speed claims with caution |
|
Saily
|
South Korea UNLIMITED 15 days | $48.99 | $3.27 | 5 GB per day at full speed, then ∞ at 1kbps |
|
Airalo
|
Jjang - Unlimited | $49.00 | $3.27 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
aloSIM
|
Unlimited / 15 Days | $49.00 | $3.27 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Yesim
|
Unlimited / 19 Days | $49.67 | $2.61 | No fair-use policy published — treat speed claims with caution |
|
Jetpac
|
South Korea Unlimited - 21 days | $49.99 | $2.38 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Holafly
|
Unlimited / 15 Days | $50.50 | $3.37 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
|
Yesim
|
Unlimited / 20 Days | $51.03 | $2.55 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 21 Days | $52.39 | $2.49 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 22 Days | $53.75 | $2.44 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 23 Days | $55.12 | $2.40 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 24 Days | $56.48 | $2.35 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 25 Days | $57.84 | $2.31 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 26 Days | $59.20 | $2.28 | No fair-use policy published — treat speed claims with caution |
|
Saily
|
South Korea UNLIMITED 20 days | $59.99 | $3.00 | 5 GB per day at full speed, then ∞ at 1kbps |
|
Yesim
|
Unlimited / 27 Days | $60.56 | $2.24 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 28 Days | $61.92 | $2.21 | No fair-use policy published — treat speed claims with caution |
|
Roami
|
Unlimited / 30 Days | $61.99 | $2.07 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 29 Days | $63.28 | $2.18 | No fair-use policy published — treat speed claims with caution |
|
Yesim
|
Unlimited / 30 Days | $64.64 | $2.15 | No fair-use policy published — treat speed claims with caution |
|
Jetpac
|
South Korea Unlimited - 30 days | $65.99 | $2.20 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
South Korea UNLIMITED 25 days | $65.99 | $2.64 | 5 GB per day at full speed, then ∞ at 1kbps |
|
Airalo
|
Jjang - Unlimited | $69.00 | $2.30 | 3 GB per day at full speed, then ∞ at 1Mbps |
|
Saily
|
South Korea UNLIMITED 30 days | $71.99 | $2.40 | 5 GB per day at full speed, then ∞ at 1kbps |
|
aloSIM
|
Unlimited / 30 Days | $72.50 | $2.42 | 3 GB per day at full speed, then ∞ at 1kbps |
|
Holafly
|
Unlimited / 30 Days | $73.90 | $2.46 | Always On backup plan: 1GB of data monthly to keep you connected no matter what. |
Decision guide
How to choose your South Korea eSIM
How much eSIM data do you need in South Korea?
- 1GBMaps, messaging and email for a city break — South Korea eSIM 1GB / 7 Days starts at $1.00.
- 5GBA normal week of maps, mail and social — cheapest 5GB+ bucket: South Korea eSIM 5GB / 21 Days at $4.00.
- 10GB+Streaming, hotspot sharing or a working trip — cheapest 10GB+ bucket: 10GB / 3 Days at $6.99.
- ∞Don't want to count? 99 unlimited plans cover South Korea — read the fair-use caps above before picking one.
Want exact numbers for your trip? Try the eSIM trip cost calculator.
How to install your South Korea eSIM
Buy and install it on home Wi-Fi before you fly — the profile sits on your phone and activates by itself when you land in South Korea.
Not sure your phone supports eSIM? Check the device list
Matching plans to your trip
South Korea eSIM plans by trip length
The same database, sliced by how long you stay and how you travel. Every pick below is a computed sort position — validity must cover the whole stay, and data must match the use case.
3–5 days
long weekend or city break
South Korea eSIM 3GB / 14 Days
Roamic · 3GB / 14 days
$3.00
cheapest plan with at least 3GB and 5-day validity.
See the Roamic plan →7–10 days
the classic one-week trip
South Korea eSIM 5GB / 21 Days
Roamic · 5GB / 21 days
$4.00
cheapest 5GB+ bucket with validity ≥ 10 days.
See the Roamic plan →Two weeks
longer tours and multi-city
South Korea eSIM 10GB / 30 Days
Roamic · 10GB / 30 days
$7.00
cheapest 10GB+ bucket valid ≥ 15 days.
See the Roamic plan →30 days +
long stays and slow travel
South Korea eSIM 50GB / 30 Days
Roamic · 50GB / 30 days
$29.00
best $/GB among 20GB+ plans valid ≥ 30 days.
See the Roamic plan →Best South Korea eSIM by traveller type
Light user
maps, messaging, email
South Korea eSIM 1GB / 7 Days
Roamic · 1GB / 7 days
$1.00
lowest-price small bucket (1–5GB).
See the Roamic plan →Standard tourist
navigation plus social and browsing
20GB / 7 Days
Roami · 20GB / 7 days
$10.99
best $/GB in the 5GB+ class.
See the Roami plan →Streamer & hotspot
video, tethering, multiple devices
South Korea eSIM Unlimited Data / 30 Days
Roamic · unlimited / 30 days
$41.00
lowest cost per day without a GB counter.
See the Roamic plan →Remote worker
calls, cloud work, weeks on the road
South Korea eSIM 50GB / 30 Days
Roamic · 50GB / 30 days
$29.00
best $/GB among 30-day+ plans with 10GB or more.
See the Roamic plan →The lineup
Which eSIM providers cover South Korea
All 10 brands below sell a plan in South Korea. Their shared profile — who they are, what they are good at — lives on each brand's own page. What changes from country to country is the price and the local network, so that is what each card reports for South Korea.
Airalo
since 2019
- Plans tracked here
- 18 plans · 6 unlimited
- Cheapest plan here
- $4.00 · 1GB · 3 days
- Best value here
- $0.98/GB · 50GB · 30 days
- Local network
- SK Telecom, KT, LG U+
78% above the best $/GB here
Promo code NEWTOAIRALO15 — 15% off your first order (new customers) · all deals
aloSIM
since 2021
- Plans tracked here
- 12 plans · 6 unlimited
- Cheapest plan here
- $4.50 · 1GB · 7 days
- Best value here
- $1.60/GB · 20GB · 30 days
- Local network
- SK Telecom, KT, LG U+
191% above the best $/GB here
Promo code ESIMTWEAKS — 15% off every plan · all deals
Holafly
since 2018
- Plans tracked here
- 6 plans · 6 unlimited
- Cheapest plan here
- $12.50 · unlimited · 3 days
- Best value here
- unlimited only, from $12.50
- Local network
- SK Telecom, KT, LG U+
Sells unlimited data only in South Korea — no gigabyte count to rank
Promo code MYESIMNOW5 — 5% off all destination eSIMs · all deals
Jetpac
since 2022
- Plans tracked here
- 24 plans · 7 unlimited
- Cheapest plan here
- $6.50 · 3GB · 1 day
- Best value here
- $0.95/GB · 10GB · 1 day
- Local network
- SK Telecom, KT, LG U+
73% above the best $/GB here
Promo code ESIM15 — 15% off eSIM plans · all deals
Nomad
since 2020
- Plans tracked here
- 10 plans · 4 unlimited
- Cheapest plan here
- $4.00 · 1GB · 7 days
- Best value here
- $0.78/GB · 50GB · 30 days
- Local network
- SK Telecom, KT, LG U+
42% above the best $/GB here
Promo code BEYOND20 — 20% off selected plans (autumn campaign) · all deals
Roami
since 2024
- Plans tracked here
- 24 plans · 4 unlimited
- Cheapest plan here
- $1.99 · 1GB · 3 days
- Best value here
- $0.55/GB · 20GB · 7 days
- Local network
- SK Telecom, KT, LG U+
Best cost per GB of the 10 brands here
Promo code web20 — 20% off your entire order · all deals
Roamic
since 2021
- Plans tracked here
- 36 plans · 30 unlimited
- Cheapest plan here
- $1.00 · 1GB · 7 days
- Best value here
- $0.58/GB · 50GB · 30 days
- Local network
- SK Telecom, KT, LG U+
Cheapest entry price of the 10 brands here
Promo code FYESIM10 — 10% off all plans · all deals
Saily
since 2024
- Plans tracked here
- 11 plans · 6 unlimited
- Cheapest plan here
- $3.99 · 1GB · 7 days
- Best value here
- $1.50/GB · 20GB · 30 days
- Local network
- SK Telecom, KT, LG U+
173% above the best $/GB here
Promo code VEEPEE25 — 25% off Saily eSIMs · all deals
Ubigi
since 2017
- Plans tracked here
- 10 plans
- Cheapest plan here
- $3.00 · 1GB · 7 days
- Best value here
- $0.70/GB · 20GB · 30 days
- Local network
- SK Telecom, KT, LG U+
27% above the best $/GB here
Promo code PROMO15 — 15% off unlimited-data plans · all deals
Head to head
The closest eSIM matchups for South Korea
Ordered by the cheapest plan each brand sells for South Korea, these 6 pairings are the tightest price gaps between brands sitting next to each other in that ranking — each one opens the full head-to-head.
Airalo vs Nomad
Airalo $4.00 · Nomad $4.00 · $0.00 apart
See the verdict →
Saily vs Airalo
Saily $3.99 · Airalo $4.00 · $0.01 apart
See the verdict →
Yesim vs Ubigi
Yesim $2.84 · Ubigi $3.00 · $0.16 apart
See the verdict →
Nomad vs aloSIM
Nomad $4.00 · aloSIM $4.50 · $0.50 apart
See the verdict →
Roami vs Yesim
Roami $1.99 · Yesim $2.84 · $0.85 apart
See the verdict →
Roamic vs Roami
Roamic $1.00 · Roami $1.99 · $0.99 apart
See the verdict →
Before you buy
Things to know before buying an eSIM for South Korea
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Korean carrier apps often demand a local ARS verification - travel eSIMs sidestep this with pre-registered profiles.
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KT and SK both cap tourist plans at LTE despite the 5G rollout; check whether your plan lists 5G before paying extra.
An eSIM for South Korea is priced per country, not per city. One plan covers every network inside the borders, so there is no separate tariff for Seoul, Busan, Incheon — and no airport counter to queue at either, because the profile is installed at home before you fly.
Networks
Which networks do South Korea eSIMs run on
Every eSIM connects to a local carrier network. Coverage, speed and rural reach follow that host network — so knowing whose mast your plan uses matters more than the brand on the voucher. The destination-by-destination breakdown of all host carriers lives on the eSIM network map, and this destination has its own South Korea carrier breakdown.
KT
5GPlans from Airalo, aloSIM, Holafly, Jetpac, Nomad, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 25–300 Mbps — enough for 4K streaming · video calls · hotspot work
A close second with excellent Seoul metro coverage.
Where it wins: A close second with excellent Seoul and metro coverage.
Where it lags: Marginally thinner in remote areas.
LG U+
5GPlans from Airalo, aloSIM, Holafly, Jetpac, Nomad, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 20–250 Mbps — enough for HD streaming · video calls · navigation
The smallest but still fast nationwide, and often the cheapest.
Where it wins: Good value and fast urban 5G.
Where it lags: A slightly smaller footprint.
SK Telecom
5GPlans from Airalo, aloSIM, Holafly, Jetpac, Nomad, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.
Typical 25–350 Mbps — enough for 4K streaming · video calls · hotspot work
Korea's largest and fastest — mid-band 5G basically everywhere, including the subway.
Where it wins: The largest network in Korea - fastest 5G and the best coverage.
Where it lags: Nothing major.
South Korea's local carrier market
- SK Telecom eSIM-ready
- KT eSIM-ready
- LG U+ eSIM-ready
Matched against the 185 plans in the table above. Prefer plans on the carrier with the best coverage where you're going.
Which national networks cover South Korea's major cities
All the carriers above serve these metros with full speed; the differences between them show up outside them — rural roads, mountain areas, islands and deep-indoor spots like basements and metro platforms.
Speeds are typical real-world downloads (4G floor to good 5G); actual speeds depend on device, plan and location. For context: Netflix 4K needs about 25 Mbps, HD about 5.
Independent measurements
Independent network data for South Korea
The network profiles above are ours. The findings below come from independent measurement firms — Opensignal crowdsources real-user readings, Ookla aggregates Speedtest samples — so you can cross-check whose masts actually perform before picking a plan that rides them.
Opensignal · December 2025
- SK Telecom won Download Speed outright with 189.3 Mbps, 35 Mbps ahead of KT (154.3), plus Coverage (9.4 out of 10) and 5G Coverage (7.3).
- KT won 5G Download Speed with 486.2 Mbps; LG U+ won 5G Availability with 90.3%.
Source: South Korea, December 2025, Mobile Network Experience Report, Opensignal.
Ookla · award report
Ookla's RootMetrics controlled testing across the Seoul-Incheon market in H2 2025 put LG U+ on top with an Overall RootScore of 993 out of 1000 and the highest median download speed at 853.37 Mbps; all three carriers scored between 982 and 993.
Source: Ookla Speedtest report, 2025-11.
Ookla Speedtest Global Index
Ookla's index tracks South Korea's median mobile download, upload and latency month by month — the live picture of how the whole market's networks compare.
Open South Korea on the Global Index →Award findings are quoted from the named reports and link to the originals. Sources accessed October 2026; our own price and fair-use data follow the methodology.
FAQ
What should I know before buying an eSIM for South Korea
What is the cheapest eSIM for South Korea?
On entry price, Roamic leads South Korea with South Korea eSIM 1GB / 7 Days at $1.00. That works out at $0.14 a day, which suits a short stop better than a long one. The table above sorts every option, so compare the shape of a plan as well as its price.
Is unlimited eSIM data in South Korea actually unlimited?
No. Each of the 99 unlimited South Korea plans caps its daily full-speed allowance. Duration moves the rate as much as the cap does: $1.37 to $4.33 per day across the set, with Roamic lowest at $1.37 for 30 days. Throttling rather than disconnection is the trade-off, with speeds falling to 1 Mbps once the allowance is spent.
Airalo or Holafly for South Korea?
Different products: Airalo sells fixed data buckets, Holafly sells unlimited days. For South Korea, Airalo's cheapest rate per gigabyte is $0.98 (Jjang - 50 GB, $49.00). The flat-rate option is Holafly, at 3 days from $12.50 - $4.17/day whatever you use.
Do I need ID verification for an eSIM in South Korea?
No. South Korea does not force ID checks on travel eSIMs - local SIM rules differ, but the plans on this page ship pre-registered.
Which networks do South Korea eSIMs use?
Plans on this page run on SK Telecom, KT, LG U+. Differences matter mostly outside the big cities - the network column in the main table shows which carrier each plan rides.
Can one eSIM cover South Korea and Japan?
Only with a regional package, because the country plans on this page do not cross borders. The markets around South Korea all have their own tables here - Japan and Taiwan among them - so price a regional bundle against two single-country plans.
Can I use an eSIM in South Korea?
An eSIM works in South Korea, and nothing about the destination blocks it. What varies is price rather than access - 185 plans from 10 providers, all on the same national networks. Verify your phone, then let the $/GB column decide between the plans above.
Will my phone work with an eSIM in South Korea?
Your handset is the deciding factor here, not South Korea. A phone bought in a different market from the one it was made for is the usual culprit, and that has nothing to do with South Korea itself. Verify the device first, because the plans above only help if it passes.
Do I need a local number in South Korea?
A local number is not required to use an eSIM in South Korea. Travel eSIMs are priced as data, so buying one for voice is paying for the wrong product. Only add a local SIM on top if local calls are a real requirement.
What do travellers say about eSIMs in South Korea?
Review scores are the one thing we deliberately leave out, because a single number hides the variation behind it. The published terms are the part nobody reviews and everybody should read, so that is what we quote. Check the provider's fair-use and refund pages directly before you commit.
Keep traveling
eSIM for your next destination
Travelers comparing South Korea eSIMs often price these destinations next — each card opens a live plan table, checked the same day as the one above.
New to eSIMs
First time using an eSIM?
The plans above assume the basics. If this is your first eSIM, these five short reads take you from what an eSIM is to a working data connection before you board.
eSIM explained
What the technology actually is, minus the marketing.
SIM card alternative
Where eSIMs win and where a physical SIM still makes sense.
activating an eSIM
The install walkthrough for every provider we track.
supported phones
The 30-second EID test plus every compatible phone we verified.
dual SIM phones
Keep your home number while travel data runs on eSIM.
Data you can check.
Prices on this page were last verified Oct 7, 2026. Full collection rules in our methodology; how we make money in our disclosure.