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UK flag Europe ✓ Prices checked Oct 7, 2026

Best eSIM for UK in 2026

Every prepaid eSIM plan for UK from every major provider, ranked by the same formulas — $/GB, $/day and fair-use fine print decoded.

10Providers
230Plans
$0.51Cheapest
$0.44Best $/GB
View UK plans on Roami
UK travel eSIM data plans comparison illustration
UK eSIM plans — 230 options from 10 providers, updated Oct 7, 2026.

Quick verdict

What is the best eSIM for UK?

It depends on how you travel and on how much data you actually use. Three picks computed from all 230 plans we track — prices checked Oct 7, 2026.

Tightest budget
Yesim

UK — $0.51 ($0.51/day)

View Yesim plans in UK
Most data for the money
Roamic

UK eSIM 50GB / 30 Days — $22.00 ($0.44/GB)

View Roamic plans in UK
Long trips (30+ days)
Ubigi

24GB / 365 Days — $19.00 ($0.05/day)

View Ubigi plans in UK

The full database

All UK eSIM plans compared

default sort: best $/GB · unlimited plans listed last
Trip length
Data volume
Provider
Provider Plan Data Validity Price $/day $/GB Network Link
Roamic Best value UK eSIM 50GB / 30 Days 50GB 30 days $22.00 $0.73 $0.44 EE, Vodafone, O2, Three View plan
Ubigi 60GB / 365 Days 60GB 365 days $29.00 $0.08 $0.48 EE, Vodafone, O2, Three View plan
aloSIM UK 50GB 10 days $25.00 $2.50 $0.50 EE, Vodafone, O2, Three View plan
Roamic UK eSIM 20GB / 30 Days 20GB 30 days $10.00 $0.33 $0.50 EE, Vodafone, O2, Three View plan
Roami Most data 100GB / 30 Days 100GB 30 days $54.99 $1.83 $0.55 EE, Vodafone, O2, Three View plan
aloSIM UK 50GB 15 days $30.00 $2.00 $0.60 EE, Vodafone, O2, Three View plan
Roamic UK eSIM 10GB / 30 Days 10GB 30 days $6.00 $0.20 $0.60 EE, Vodafone, O2, Three View plan
Ubigi 20GB / 30 Days 20GB 30 days $12.00 $0.40 $0.60 EE, Vodafone, O2, Three View plan
Ubigi 50GB / 30 Days 50GB 30 days $32.00 $1.07 $0.64 EE, Vodafone, O2, Three View plan
Ubigi 7GB / 1 Day 7GB 1 days $5.00 $5.00 $0.71 EE, Vodafone, O2, Three View plan
Ubigi 60GB / 30 Days 60GB 30 days $44.00 $1.47 $0.73 EE, Vodafone, O2, Three View plan
Jetpac UK 40GB 40GB 30 days $29.99 $1.00 $0.75 EE, Vodafone, O2, Three View plan
Roami 50GB / 30 Days 50GB 30 days $37.99 $1.27 $0.76 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 50 GB 50GB 30 days $39.00 $1.30 $0.78 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 50 GB 50GB 30 days $39.00 $1.30 $0.78 EE, Vodafone, O2, Three View plan
Ubigi 24GB / 365 Days 24GB 365 days $19.00 $0.05 $0.79 EE, Vodafone, O2, Three View plan
Roami 10GB / 3 Days 10GB 3 days $7.99 $2.66 $0.80 EE, Vodafone, O2, Three View plan
Roami 20GB / 7 Days 20GB 7 days $15.99 $2.28 $0.80 EE, Vodafone, O2, Three View plan
Roamic UK eSIM 5GB / 21 Days 5GB 21 days $4.00 $0.19 $0.80 EE, Vodafone, O2, Three View plan
Jetpac UK 30GB 30GB 30 days $25.00 $0.83 $0.83 EE, Vodafone, O2, Three View plan
Ubigi 25GB / 7 Days 25GB 7 days $21.00 $3.00 $0.84 EE, Vodafone, O2, Three View plan
aloSIM UK 20GB 7 days $17.00 $2.43 $0.85 EE, Vodafone, O2, Three View plan
Roami 30GB / 15 Days 30GB 15 days $25.99 $1.73 $0.87 EE, Vodafone, O2, Three View plan
Ubigi 25GB / 30 Days 25GB 30 days $22.00 $0.73 $0.88 EE, Vodafone, O2, Three View plan
Roami 20GB / 15 Days 20GB 15 days $17.99 $1.20 $0.90 EE, Vodafone, O2, Three View plan
Ubigi 10GB / 7 Days 10GB 7 days $9.00 $1.29 $0.90 EE, Vodafone, O2, Three View plan
Roami 20GB / 30 Days 20GB 30 days $18.99 $0.63 $0.95 EE, Vodafone, O2, Three View plan
Jetpac UK 10GB 10GB 1 days $9.50 $9.50 $0.95 EE, Vodafone, O2, Three View plan
Roami 10GB / 7 Days 10GB 7 days $9.99 $1.43 $1.00 EE, Vodafone, O2, Three View plan
Roami 30GB / 30 Days 30GB 30 days $29.99 $1.00 $1.00 EE, Vodafone, O2, Three View plan
aloSIM UK 20GB 10 days $20.00 $2.00 $1.00 EE, Vodafone, O2, Three View plan
aloSIM UK 50GB 30 days $50.00 $1.67 $1.00 EE, Vodafone, O2, Three View plan
Roamic UK eSIM 1GB / 7 Days 1GB 7 days $1.00 $0.14 $1.00 EE, Vodafone, O2, Three View plan
Roamic UK eSIM 3GB / 14 Days 3GB 14 days $3.00 $0.21 $1.00 EE, Vodafone, O2, Three View plan
Ubigi 5GB / 30 Days 5GB 30 days $5.00 $0.17 $1.00 EE, Vodafone, O2, Three View plan
Yesim Cheapest UK 500MB 1 days $0.51 $0.51 $1.04 EE, Vodafone, O2, Three View plan
Yesim UK 30GB 30 days $31.75 $1.06 $1.06 EE, Vodafone, O2, Three View plan
Jetpac UK 15GB 15GB 7 days $16.00 $2.29 $1.07 EE, Vodafone, O2, Three View plan
Ubigi 30GB / 15 Days 30GB 15 days $32.00 $2.13 $1.07 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 50 GB 50GB 30 days $54.00 $1.80 $1.08 EE, Vodafone, O2, Three View plan
aloSIM UK 20GB 15 days $22.00 $1.47 $1.10 EE, Vodafone, O2, Three View plan
Ubigi 10GB / 30 Days 10GB 30 days $11.00 $0.37 $1.10 EE, Vodafone, O2, Three View plan
Roami 5GB / 3 Days 5GB 3 days $5.99 $2.00 $1.20 EE, Vodafone, O2, Three View plan
aloSIM UK 5GB 3 days $6.00 $2.00 $1.20 EE, Vodafone, O2, Three View plan
aloSIM UK 10GB 5 days $12.00 $2.40 $1.20 EE, Vodafone, O2, Three View plan
Jetpac UK 10GB 10GB 4 days $12.00 $3.00 $1.20 EE, Vodafone, O2, Three View plan
Yesim UK 20GB 30 days $24.95 $0.83 $1.25 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 20 GB 20GB 30 days $25.00 $0.83 $1.25 EE, Vodafone, O2, Three View plan
Roami 35GB / 30 Days 35GB 30 days $44.99 $1.50 $1.29 EE, Vodafone, O2, Three View plan
Roami 10GB / 15 Days 10GB 15 days $12.99 $0.87 $1.30 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 20 GB 20GB 30 days $26.00 $0.87 $1.30 EE, Vodafone, O2, Three View plan
Roami 3GB / 3 Days 3GB 3 days $3.99 $1.33 $1.33 EE, Vodafone, O2, Three View plan
aloSIM UK 3GB 1 days $4.00 $4.00 $1.33 EE, Vodafone, O2, Three View plan
aloSIM UK 10GB 7 days $13.50 $1.93 $1.35 EE, Vodafone, O2, Three View plan
Roami 5GB / 7 Days 5GB 7 days $6.99 $1.00 $1.40 EE, Vodafone, O2, Three View plan
aloSIM UK 10GB 10 days $14.00 $1.40 $1.40 EE, Vodafone, O2, Three View plan
Jetpac UK 10GB 10GB 7 days $14.00 $2.00 $1.40 EE, Vodafone, O2, Three View plan
Jetpac UK 15GB 15GB 30 days $21.00 $0.70 $1.40 EE, Vodafone, O2, Three View plan
aloSIM UK 10GB 15 days $14.50 $0.97 $1.45 EE, Vodafone, O2, Three View plan
Roami 10GB / 30 Days 10GB 30 days $14.99 $0.50 $1.50 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 20 GB 20GB 15 days $30.00 $2.00 $1.50 EE, Vodafone, O2, Three View plan
aloSIM UK 5GB 5 days $7.50 $1.50 $1.50 EE, Vodafone, O2, Three View plan
Jetpac UK 5GB 5GB 1 days $7.50 $7.50 $1.50 EE, Vodafone, O2, Three View plan
Saily UK 20GB 30 days 20GB 30 days $30.99 $1.03 $1.55 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 20 GB 20GB 30 days $31.00 $1.03 $1.55 EE, Vodafone, O2, Three View plan
Roami 5GB / 15 Days 5GB 15 days $7.99 $0.53 $1.60 EE, Vodafone, O2, Three View plan
aloSIM UK 20GB 30 days $32.00 $1.07 $1.60 EE, Vodafone, O2, Three View plan
Roami 3GB / 7 Days 3GB 7 days $4.99 $0.71 $1.66 EE, Vodafone, O2, Three View plan
aloSIM UK 3GB 1 days $5.00 $5.00 $1.67 EE, Vodafone, O2, Three View plan
Ubigi 3GB / 30 Days 3GB 30 days $5.00 $0.17 $1.67 EE, Vodafone, O2, Three View plan
aloSIM UK 5GB 7 days $8.50 $1.21 $1.70 EE, Vodafone, O2, Three View plan
Jetpac UK 5GB 5GB 4 days $8.50 $2.12 $1.70 EE, Vodafone, O2, Three View plan
Jetpac UK 10GB 10GB 30 days $17.00 $0.57 $1.70 EE, Vodafone, O2, Three View plan
Jetpac UK 20GB 20GB 30 days $35.00 $1.17 $1.75 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 10 GB 10GB 30 days $17.50 $0.58 $1.75 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 10 GB 10GB 7 days $18.00 $2.57 $1.80 EE, Vodafone, O2, Three View plan
aloSIM UK 5GB 10 days $9.00 $0.90 $1.80 EE, Vodafone, O2, Three View plan
Yesim UK 10GB 30 days $18.14 $0.60 $1.81 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 20 GB 20GB 15 days $36.50 $2.43 $1.82 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 10 GB 10GB 15 days $18.50 $1.23 $1.85 EE, Vodafone, O2, Three View plan
Saily UK 10GB 30 days 10GB 30 days $18.99 $0.63 $1.90 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 10 GB 10GB 30 days $19.00 $0.63 $1.90 EE, Vodafone, O2, Three View plan
aloSIM UK 5GB 15 days $9.50 $0.63 $1.90 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 10 GB 10GB 30 days $19.00 $0.63 $1.90 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 20 GB 20GB 30 days $38.50 $1.28 $1.93 EE, Vodafone, O2, Three View plan
Roami 1GB / 3 Days 1GB 3 days $1.99 $0.66 $1.99 EE, Vodafone, O2, Three View plan
Roami 3GB / 15 Days 3GB 15 days $5.99 $0.40 $2.00 EE, Vodafone, O2, Three View plan
Roami 5GB / 30 Days 5GB 30 days $9.99 $0.33 $2.00 EE, Vodafone, O2, Three View plan
aloSIM UK 10GB 30 days $20.00 $0.67 $2.00 EE, Vodafone, O2, Three View plan
Jetpac UK 5GB 5GB 7 days $10.00 $1.43 $2.00 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 10 GB 10GB 7 days $21.50 $3.07 $2.15 EE, Vodafone, O2, Three View plan
Jetpac UK 3GB 3GB 1 days $6.50 $6.50 $2.17 EE, Vodafone, O2, Three View plan
Yesim UK 5GB 30 days $10.89 $0.36 $2.18 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 10 GB 10GB 15 days $22.50 $1.50 $2.25 EE, Vodafone, O2, Three View plan
Roami 3GB / 30 Days 3GB 30 days $6.99 $0.23 $2.33 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 10 GB 10GB 30 days $23.50 $0.78 $2.35 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 5 GB 5GB 7 days $12.00 $1.71 $2.40 EE, Vodafone, O2, Three View plan
Jetpac UK 5GB 5GB 30 days $12.00 $0.40 $2.40 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 5 GB 5GB 30 days $12.00 $0.40 $2.40 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 5 GB 5GB 15 days $12.50 $0.83 $2.50 EE, Vodafone, O2, Three View plan
Jetpac UK 3GB 3GB 4 days $7.50 $1.88 $2.50 EE, Vodafone, O2, Three View plan
Saily UK 5GB 30 days 5GB 30 days $12.99 $0.43 $2.60 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 5 GB 5GB 30 days $13.00 $0.43 $2.60 EE, Vodafone, O2, Three View plan
aloSIM UK 5GB 30 days $13.00 $0.43 $2.60 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 5 GB 5GB 30 days $13.00 $0.43 $2.60 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 5 GB 5GB 7 days $14.00 $2.00 $2.80 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 3 GB 3GB 3 days $8.50 $2.83 $2.83 EE, Vodafone, O2, Three View plan
Yesim UK 1GB 30 days $2.84 $0.09 $2.84 EE, Vodafone, O2, Three View plan
Roami 1GB / 7 Days 1GB 7 days $2.99 $0.43 $2.99 EE, Vodafone, O2, Three View plan
Saily UK 3GB 30 days 3GB 30 days $8.99 $0.30 $3.00 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 3 GB 3GB 7 days $9.00 $1.29 $3.00 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 5 GB 5GB 15 days $15.00 $1.00 $3.00 EE, Vodafone, O2, Three View plan
aloSIM UK 3GB 30 days $9.00 $0.30 $3.00 EE, Vodafone, O2, Three View plan
Jetpac UK 3GB 3GB 7 days $9.00 $1.29 $3.00 EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - 3 GB 3GB 30 days $9.00 $0.30 $3.00 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 5 GB 5GB 30 days $15.50 $0.52 $3.10 EE, Vodafone, O2, Three View plan
aloSIM UK 2GB 15 days $6.50 $0.43 $3.25 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 3 GB 3GB 3 days $10.00 $3.33 $3.33 EE, Vodafone, O2, Three View plan
aloSIM UK 1GB 1 days $3.50 $3.50 $3.50 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - 1 GB 1GB 3 days $4.00 $1.33 $4.00 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 3 GB 3GB 7 days $12.00 $1.71 $4.00 EE, Vodafone, O2, Three View plan
aloSIM UK 1GB 3 days $4.00 $1.33 $4.00 EE, Vodafone, O2, Three View plan
Saily UK 1GB 7 days 1GB 7 days $4.49 $0.64 $4.49 EE, Vodafone, O2, Three View plan
aloSIM UK 1GB 7 days $4.50 $0.64 $4.50 EE, Vodafone, O2, Three View plan
aloSIM UK 1GB 5 days $4.50 $0.90 $4.50 EE, Vodafone, O2, Three View plan
Nomad Local UK - 7 Days - 1 GB 1GB 7 days $4.50 $0.64 $4.50 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile+ - 1 GB 1GB 3 days $5.00 $1.67 $5.00 EE, Vodafone, O2, Three View plan
Jetpac UK 1GB 1GB 4 days $7.00 $1.75 $7.00 EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - Unlimited Unlimited 3 days $11.50 $3.83 — EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - Unlimited Unlimited 5 days $18.50 $3.70 — EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - Unlimited Unlimited 7 days $27.00 $3.86 — EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - Unlimited Unlimited 10 days $34.50 $3.45 — EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - Unlimited Unlimited 15 days $48.00 $3.20 — EE, Vodafone, O2, Three View plan
Airalo Uki Mobile - Unlimited Unlimited 30 days $69.00 $2.30 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 3 days $11.50 $3.83 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 5 days $19.00 $3.80 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 7 days $27.00 $3.86 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 10 days $35.00 $3.50 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 15 days $49.00 $3.27 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 20 days $60.00 $3.00 — EE, Vodafone, O2, Three View plan
aloSIM UK Unlimited 30 days $72.00 $2.40 — EE, Vodafone, O2, Three View plan
Holafly Unlimited / 3 Days Unlimited 3 days $11.90 $3.97 — EE, Vodafone, O2, Three View plan
Holafly Unlimited / 5 Days Unlimited 5 days $20.50 $4.10 — EE, Vodafone, O2, Three View plan
Holafly Unlimited / 7 Days Unlimited 7 days $27.50 $3.93 — EE, Vodafone, O2, Three View plan
Holafly Unlimited / 10 Days Unlimited 10 days $36.50 $3.65 — EE, Vodafone, O2, Three View plan
Holafly Unlimited / 15 Days Unlimited 15 days $50.50 $3.37 — EE, Vodafone, O2, Three View plan
Holafly Unlimited / 30 Days Unlimited 30 days $73.90 $2.46 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-3 Days Unlimited 3 days $10.99 $3.66 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-5 Days Unlimited 5 days $17.99 $3.60 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-7 Days Unlimited 7 days $25.99 $3.71 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-10 Days Unlimited 10 days $33.99 $3.40 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-15 Days Unlimited 15 days $41.99 $2.80 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-21 Days Unlimited 21 days $49.99 $2.38 — EE, Vodafone, O2, Three View plan
Jetpac UK Unlimited-30 Days Unlimited 30 days $65.99 $2.20 — EE, Vodafone, O2, Three View plan
Nomad Local UK - 3 Days - unlimited Unlimited 3 days $11.00 $3.67 — EE, Vodafone, O2, Three View plan
Nomad Local UK - 5 Days - unlimited Unlimited 5 days $18.00 $3.60 — EE, Vodafone, O2, Three View plan
Nomad Local UK - 7 Days - unlimited Unlimited 7 days $25.00 $3.57 — EE, Vodafone, O2, Three View plan
Nomad Local UK - 10 Days - unlimited Unlimited 10 days $33.00 $3.30 — EE, Vodafone, O2, Three View plan
Nomad Local UK - 30 Days - unlimited Unlimited 30 days $49.00 $1.63 — EE, Vodafone, O2, Three View plan
Roami Unlimited / 3 Days Unlimited 3 days $8.99 $3.00 — EE, Vodafone, O2, Three View plan
Roami Unlimited / 7 Days Unlimited 7 days $18.99 $2.71 — EE, Vodafone, O2, Three View plan
Roami Unlimited / 15 Days Unlimited 15 days $36.99 $2.47 — EE, Vodafone, O2, Three View plan
Roami Unlimited / 30 Days Unlimited 30 days $41.99 $1.40 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 1 Day Unlimited 1 days $3.00 $3.00 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 2 Days Unlimited 2 days $4.00 $2.00 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 3 Days Unlimited 3 days $6.00 $2.00 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 4 Days Unlimited 4 days $7.00 $1.75 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 5 Days Unlimited 5 days $9.00 $1.80 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 6 Days Unlimited 6 days $11.00 $1.83 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 8 Days Unlimited 8 days $13.00 $1.62 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 7 Days Unlimited 7 days $13.00 $1.86 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 9 Days Unlimited 9 days $15.00 $1.67 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 11 Days Unlimited 11 days $16.00 $1.45 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 10 Days Unlimited 10 days $16.00 $1.60 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 12 Days Unlimited 12 days $17.00 $1.42 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 13 Days Unlimited 13 days $18.00 $1.38 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 14 Days Unlimited 14 days $19.00 $1.36 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 15 Days Unlimited 15 days $20.00 $1.33 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 16 Days Unlimited 16 days $21.00 $1.31 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 17 Days Unlimited 17 days $22.00 $1.29 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 18 Days Unlimited 18 days $23.00 $1.28 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 19 Days Unlimited 19 days $24.00 $1.26 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 21 Days Unlimited 21 days $25.00 $1.19 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 20 Days Unlimited 20 days $25.00 $1.25 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 22 Days Unlimited 22 days $26.00 $1.18 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 25 Days Unlimited 25 days $27.00 $1.08 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 24 Days Unlimited 24 days $27.00 $1.12 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 23 Days Unlimited 23 days $27.00 $1.17 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 27 Days Unlimited 27 days $28.00 $1.04 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 26 Days Unlimited 26 days $28.00 $1.08 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 29 Days Unlimited 29 days $29.00 $1.00 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 28 Days Unlimited 28 days $29.00 $1.04 — EE, Vodafone, O2, Three View plan
Roamic UK eSIM Unlimited Data / 30 Days Unlimited 30 days $30.00 $1.00 — EE, Vodafone, O2, Three View plan
Saily UK UNLIMITED 7 days Unlimited 7 days $28.99 $4.14 — EE, Vodafone, O2, Three View plan
Saily UK UNLIMITED 10 days Unlimited 10 days $34.99 $3.50 — EE, Vodafone, O2, Three View plan
Saily UK UNLIMITED 15 days Unlimited 15 days $48.99 $3.27 — EE, Vodafone, O2, Three View plan
Saily UK UNLIMITED 20 days Unlimited 20 days $59.99 $3.00 — EE, Vodafone, O2, Three View plan
Saily UK UNLIMITED 25 days Unlimited 25 days $65.99 $2.64 — EE, Vodafone, O2, Three View plan
Saily UK UNLIMITED 30 days Unlimited 30 days $71.99 $2.40 — EE, Vodafone, O2, Three View plan
Ubigi Unlimited / 30 Days Unlimited 30 days $26.00 $0.87 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 1 days $3.97 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 2 days $7.94 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 3 days $11.91 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 4 days $15.88 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 5 days $19.85 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 6 days $23.82 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 7 days $27.78 $3.97 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 8 days $29.84 $3.73 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 9 days $31.90 $3.54 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 10 days $33.95 $3.40 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 11 days $36.01 $3.27 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 12 days $38.06 $3.17 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 13 days $40.12 $3.09 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 14 days $42.18 $3.01 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 15 days $44.23 $2.95 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 16 days $45.59 $2.85 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 17 days $46.95 $2.76 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 18 days $48.31 $2.68 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 19 days $49.67 $2.61 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 20 days $51.03 $2.55 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 21 days $52.39 $2.49 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 22 days $53.75 $2.44 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 23 days $55.12 $2.40 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 24 days $56.48 $2.35 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 25 days $57.84 $2.31 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 26 days $59.20 $2.28 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 27 days $60.56 $2.24 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 28 days $61.92 $2.21 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 29 days $63.28 $2.18 — EE, Vodafone, O2, Three View plan
Yesim UK Unlimited 30 days $64.64 $2.15 — EE, Vodafone, O2, Three 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 UK eSIM prices reveal

The cheapest plan in the UK is rarely the cheapest trip. Yesim leads on entry price in the UK with 500MB / 1 Day at $0.51. Spent at $0.44/GB instead, that same $0.51 would buy nearer 1.2GB. Value leadership sits with Roamic, whose 50GB / 30-day plan lands at $0.44/GB. The full board is 230 plans for the UK from 10 providers, 102 of them unlimited.

Unlimited opens at $0.87/day from Ubigi. At $0.44/GB metered, unlimited in the UK needs about 2.0GB a day to make sense. Two weeks based in London with regular video calls is the point where a larger bucket beats a daily plan. Buying local in the UK is easy, which leaves price and instant setup as the deciding factors.

Local coverage comes from EE, Vodafone, O2 and Three in the UK, all 5G. Measured performance in the UK ranges from about 15 Mbps upward, topping out near 300. Anything that leaves London is better off on EE, which holds the widest measured range. O2 sits at the other end, fine in the cities of the UK but the first to thin out outside them. Ireland is often on the same route, so price a second plan or a regional eSIM to cover both.

Fine print decoded

Is unlimited eSIM data really unlimited in UK?

Every "unlimited" plan on this page, with its fair-use policy decoded:

Provider Plan Price $/day Fair-use policy
Roamic UK eSIM Unlimited Data / 1 Day $3.00 $3.00 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $3.97 $3.97 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 2 Days $4.00 $2.00 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 3 Days $6.00 $2.00 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 4 Days $7.00 $1.75 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $7.94 $3.97 No fair-use policy published — treat speed claims with caution
Roami Unlimited / 3 Days $8.99 $3.00 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 5 Days $9.00 $1.80 3 GB per day at full speed, then ∞ at 1Mbps
Jetpac UK Unlimited-3 Days $10.99 $3.66 3 GB per day at full speed, then ∞ at 1Mbps
Nomad Local UK - 3 Days - unlimited $11.00 $3.67 2 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 6 Days $11.00 $1.83 3 GB per day at full speed, then ∞ at 1Mbps
Airalo Uki Mobile - Unlimited $11.50 $3.83 3 GB per day at full speed, then ∞ at 1Mbps
aloSIM UK $11.50 $3.83 3 GB per day at full speed, then ∞ at 1kbps
Holafly Unlimited / 3 Days $11.90 $3.97 Always On backup plan: 1GB of data monthly to keep you connected no matter what.
Yesim UK $11.91 $3.97 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 8 Days $13.00 $1.62 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 7 Days $13.00 $1.86 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 9 Days $15.00 $1.67 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $15.88 $3.97 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 11 Days $16.00 $1.45 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 10 Days $16.00 $1.60 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 12 Days $17.00 $1.42 3 GB per day at full speed, then ∞ at 1Mbps
Jetpac UK Unlimited-5 Days $17.99 $3.60 3 GB per day at full speed, then ∞ at 1Mbps
Nomad Local UK - 5 Days - unlimited $18.00 $3.60 2 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 13 Days $18.00 $1.38 3 GB per day at full speed, then ∞ at 1Mbps
Airalo Uki Mobile - Unlimited $18.50 $3.70 3 GB per day at full speed, then ∞ at 1Mbps
Roami Unlimited / 7 Days $18.99 $2.71 No fair-use policy published — treat speed claims with caution
aloSIM UK $19.00 $3.80 3 GB per day at full speed, then ∞ at 1kbps
Roamic UK eSIM Unlimited Data / 14 Days $19.00 $1.36 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $19.85 $3.97 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 15 Days $20.00 $1.33 3 GB per day at full speed, then ∞ at 1Mbps
Holafly Unlimited / 5 Days $20.50 $4.10 Always On backup plan: 1GB of data monthly to keep you connected no matter what.
Roamic UK eSIM Unlimited Data / 16 Days $21.00 $1.31 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 17 Days $22.00 $1.29 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 18 Days $23.00 $1.28 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $23.82 $3.97 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 19 Days $24.00 $1.26 3 GB per day at full speed, then ∞ at 1Mbps
Nomad Local UK - 7 Days - unlimited $25.00 $3.57 2 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 21 Days $25.00 $1.19 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 20 Days $25.00 $1.25 3 GB per day at full speed, then ∞ at 1Mbps
Jetpac UK Unlimited-7 Days $25.99 $3.71 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 22 Days $26.00 $1.18 3 GB per day at full speed, then ∞ at 1Mbps
Ubigi Unlimited / 30 Days $26.00 $0.87 60 GB per month at full speed, then ∞ at 2Mbps (auto-renewing monthly subscription)
Airalo Uki Mobile - Unlimited $27.00 $3.86 3 GB per day at full speed, then ∞ at 1Mbps
aloSIM UK $27.00 $3.86 3 GB per day at full speed, then ∞ at 1kbps
Roamic UK eSIM Unlimited Data / 25 Days $27.00 $1.08 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 24 Days $27.00 $1.12 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 23 Days $27.00 $1.17 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 UK $27.78 $3.97 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 27 Days $28.00 $1.04 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 26 Days $28.00 $1.08 3 GB per day at full speed, then ∞ at 1Mbps
Saily UK UNLIMITED 7 days $28.99 $4.14 5 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 29 Days $29.00 $1.00 3 GB per day at full speed, then ∞ at 1Mbps
Roamic UK eSIM Unlimited Data / 28 Days $29.00 $1.04 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $29.84 $3.73 No fair-use policy published — treat speed claims with caution
Roamic UK eSIM Unlimited Data / 30 Days $30.00 $1.00 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $31.90 $3.54 No fair-use policy published — treat speed claims with caution
Nomad Local UK - 10 Days - unlimited $33.00 $3.30 2 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $33.95 $3.40 No fair-use policy published — treat speed claims with caution
Jetpac UK Unlimited-10 Days $33.99 $3.40 3 GB per day at full speed, then ∞ at 1Mbps
Airalo Uki Mobile - Unlimited $34.50 $3.45 3 GB per day at full speed, then ∞ at 1Mbps
Saily UK UNLIMITED 10 days $34.99 $3.50 5 GB per day at full speed, then ∞ at 1Mbps
aloSIM UK $35.00 $3.50 3 GB per day at full speed, then ∞ at 1kbps
Yesim UK $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.
Roami Unlimited / 15 Days $36.99 $2.47 No fair-use policy published — treat speed claims with caution
Yesim UK $38.06 $3.17 No fair-use policy published — treat speed claims with caution
Yesim UK $40.12 $3.09 No fair-use policy published — treat speed claims with caution
Jetpac UK Unlimited-15 Days $41.99 $2.80 3 GB per day at full speed, then ∞ at 1Mbps
Roami Unlimited / 30 Days $41.99 $1.40 No fair-use policy published — treat speed claims with caution
Yesim UK $42.18 $3.01 No fair-use policy published — treat speed claims with caution
Yesim UK $44.23 $2.95 No fair-use policy published — treat speed claims with caution
Yesim UK $45.59 $2.85 No fair-use policy published — treat speed claims with caution
Yesim UK $46.95 $2.76 No fair-use policy published — treat speed claims with caution
Airalo Uki Mobile - Unlimited $48.00 $3.20 3 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $48.31 $2.68 No fair-use policy published — treat speed claims with caution
Saily UK UNLIMITED 15 days $48.99 $3.27 5 GB per day at full speed, then ∞ at 1Mbps
aloSIM UK $49.00 $3.27 3 GB per day at full speed, then ∞ at 1kbps
Nomad Local UK - 30 Days - unlimited $49.00 $1.63 2 GB per day at full speed, then ∞ at 1Mbps
Yesim UK $49.67 $2.61 No fair-use policy published — treat speed claims with caution
Jetpac UK 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 UK $51.03 $2.55 No fair-use policy published — treat speed claims with caution
Yesim UK $52.39 $2.49 No fair-use policy published — treat speed claims with caution
Yesim UK $53.75 $2.44 No fair-use policy published — treat speed claims with caution
Yesim UK $55.12 $2.40 No fair-use policy published — treat speed claims with caution
Yesim UK $56.48 $2.35 No fair-use policy published — treat speed claims with caution
Yesim UK $57.84 $2.31 No fair-use policy published — treat speed claims with caution
Yesim UK $59.20 $2.28 No fair-use policy published — treat speed claims with caution
Saily UK UNLIMITED 20 days $59.99 $3.00 5 GB per day at full speed, then ∞ at 1Mbps
aloSIM UK $60.00 $3.00 3 GB per day at full speed, then ∞ at 1kbps
Yesim UK $60.56 $2.24 No fair-use policy published — treat speed claims with caution
Yesim UK $61.92 $2.21 No fair-use policy published — treat speed claims with caution
Yesim UK $63.28 $2.18 No fair-use policy published — treat speed claims with caution
Yesim UK $64.64 $2.15 No fair-use policy published — treat speed claims with caution
Jetpac UK Unlimited-30 Days $65.99 $2.20 3 GB per day at full speed, then ∞ at 1Mbps
Saily UK UNLIMITED 25 days $65.99 $2.64 5 GB per day at full speed, then ∞ at 1Mbps
Airalo Uki Mobile - Unlimited $69.00 $2.30 3 GB per day at full speed, then ∞ at 1Mbps
Saily UK UNLIMITED 30 days $71.99 $2.40 5 GB per day at full speed, then ∞ at 1Mbps
aloSIM UK $72.00 $2.40 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 UK eSIM

How much eSIM data do you need in UK?

  • 1GBMaps, messaging and email for a city break — UK starts at $0.51.
  • 5GBA normal week of maps, mail and social — cheapest 5GB+ bucket: UK eSIM 5GB / 21 Days at $4.00.
  • 10GB+Streaming, hotspot sharing or a working trip — cheapest 10GB+ bucket: UK eSIM 10GB / 30 Days at $6.00.
  • ∞Don't want to count? 102 unlimited plans cover UK — 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 UK 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 UK.

Not sure your phone supports eSIM? Check the device list

Full step-by-step install guide →

Matching plans to your trip

UK 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

UK 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

UK 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

UK eSIM 10GB / 30 Days

Roamic · 10GB / 30 days

$6.00

cheapest 10GB+ bucket valid ≥ 15 days.

See the Roamic plan →

30 days +

long stays and slow travel

UK eSIM 50GB / 30 Days

Roamic · 50GB / 30 days

$22.00

best $/GB among 20GB+ plans valid ≥ 30 days.

See the Roamic plan →

Best UK eSIM by traveller type

Light user

maps, messaging, email

UK 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

UK eSIM 50GB / 30 Days

Roamic · 50GB / 30 days

$22.00

best $/GB in the 5GB+ class.

See the Roamic plan →

Streamer & hotspot

video, tethering, multiple devices

Unlimited / 30 Days

Ubigi · unlimited / 30 days

$26.00

lowest cost per day without a GB counter.

See the Ubigi plan →

Remote worker

calls, cloud work, weeks on the road

UK eSIM 50GB / 30 Days

Roamic · 50GB / 30 days

$22.00

best $/GB among 30-day+ plans with 10GB or more.

See the Roamic plan →

The lineup

Which eSIM providers cover UK

All 10 brands below sell a plan in UK. 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 UK.

Airalo

since 2019

from $4.00
Plans tracked here
30 plans · 6 unlimited
Cheapest plan here
$4.00 · 1GB · 3 days
Best value here
$0.78/GB · 50GB · 30 days
Local network
EE, Vodafone, O2, Three

77% above the best $/GB here

Promo code NEWTOAIRALO15 — 15% off your first order (new customers) · all deals

All Airalo plans in UK Airalo review

aloSIM

since 2021

from $3.50
Plans tracked here
33 plans · 7 unlimited
Cheapest plan here
$3.50 · 1GB · 1 day
Best value here
$0.50/GB · 50GB · 10 days
Local network
EE, Vodafone, O2, Three

14% above the best $/GB here

Promo code ESIMTWEAKS — 15% off every plan · all deals

All aloSIM plans in UK aloSIM review

Holafly

since 2018

from $11.90
Plans tracked here
6 plans · 6 unlimited
Cheapest plan here
$11.90 · unlimited · 3 days
Best value here
unlimited only, from $11.90
Local network
EE, Vodafone, O2, Three

Sells unlimited data only in UK — no gigabyte count to rank

Promo code MYESIMNOW5 — 5% off all destination eSIMs · all deals

All Holafly plans in UK Holafly review

Jetpac

since 2022

from $6.50
Plans tracked here
24 plans · 7 unlimited
Cheapest plan here
$6.50 · 3GB · 1 day
Best value here
$0.75/GB · 40GB · 30 days
Local network
EE, Vodafone, O2, Three

70% above the best $/GB here

Promo code ESIM15 — 15% off eSIM plans · all deals

All Jetpac plans in UK Jetpac review

Nomad

since 2020

from $4.50
Plans tracked here
14 plans · 5 unlimited
Cheapest plan here
$4.50 · 1GB · 7 days
Best value here
$0.78/GB · 50GB · 30 days
Local network
EE, Vodafone, O2, Three

77% above the best $/GB here

Promo code BEYOND20 — 20% off selected plans (autumn campaign) · all deals

All Nomad plans in UK Nomad review

Roami

since 2024

from $1.99
Plans tracked here
26 plans · 4 unlimited
Cheapest plan here
$1.99 · 1GB · 3 days
Best value here
$0.55/GB · 100GB · 30 days
Local network
EE, Vodafone, O2, Three

25% above the best $/GB here

Promo code web20 — 20% off your entire order · all deals

All Roami plans in UK Roami review

Roamic

since 2021

from $1.00
Plans tracked here
36 plans · 30 unlimited
Cheapest plan here
$1.00 · 1GB · 7 days
Best value here
$0.44/GB · 50GB · 30 days
Local network
EE, Vodafone, O2, Three

Best cost per GB of the 10 brands here

Promo code FYESIM10 — 10% off all plans · all deals

All Roamic plans in UK Roamic review

Saily

since 2024

from $4.49
Plans tracked here
11 plans · 6 unlimited
Cheapest plan here
$4.49 · 1GB · 7 days
Best value here
$1.55/GB · 20GB · 30 days
Local network
EE, Vodafone, O2, Three

252% above the best $/GB here

Promo code VEEPEE25 — 25% off Saily eSIMs · all deals

All Saily plans in UK Saily review

Ubigi

since 2017

from $5.00
Plans tracked here
14 plans · 1 unlimited
Cheapest plan here
$5.00 · 7GB · 1 day
Best value here
$0.48/GB · 60GB · 365 days
Local network
EE, Vodafone, O2, Three

10% above the best $/GB here

Promo code PROMO15 — 15% off unlimited-data plans · all deals

All Ubigi plans in UK Ubigi review

Yesim

since 2019

from $0.51
Plans tracked here
36 plans · 30 unlimited
Cheapest plan here
$0.51 · 500MB · 1 day
Best value here
$1.04/GB · 500MB · 1 day
Local network
EE, Vodafone, O2, Three

Cheapest entry price of the 10 brands here

Promo code DREWDEAL — 20% off Yesim eSIM plans · all deals

All Yesim plans in UK Yesim review

Head to head

The closest eSIM matchups for UK

Ordered by the cheapest plan each brand sells for UK, 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.

Saily vs Nomad

Saily $4.49 · Nomad $4.50 · $0.01 apart

See the verdict →

Airalo vs Saily

Airalo $4.00 · Saily $4.49 · $0.49 apart

See the verdict →

Yesim vs Roamic

Yesim $0.51 · Roamic $1.00 · $0.49 apart

See the verdict →

aloSIM vs Airalo

aloSIM $3.50 · Airalo $4.00 · $0.50 apart

See the verdict →

Nomad vs Ubigi

Nomad $4.50 · Ubigi $5.00 · $0.50 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 UK

  1. EE consistently wins UK rural coverage tests; Three is cheapest but thins out in the Highlands.
  2. UK 'unlimited' tourist plans from Three throttle video to 1080p - fine on a phone, annoying if you hotspot a laptop.

An eSIM for UK is priced per country, not per city. One plan covers every network inside the borders, so there is no separate tariff for London, Manchester, Birmingham, Edinburgh — and no airport counter to queue at either, because the profile is installed at home before you fly.

UK eSIM activation and coverage tips illustration
Buying an eSIM for UK: networks, ID rules and quirks.

Networks

Which networks do UK 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 UK carrier breakdown.

EE

5G

Plans 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

The UK's fastest and widest network — the default pick, especially outside cities.

Where it wins: The coverage and speed leader - best rural reach and the fastest 5G.

Where it lags: Usually slightly pricier on consumer tariffs.

Official site ↗

O2

5G

Plans from Airalo, aloSIM, Holafly, Jetpac, Nomad, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.

Typical 15–200 Mbps — enough for HD streaming · video calls · navigation

Solid in towns and cities; weaker in remote highlands.

Where it wins: Reliable urban coverage, strong in London.

Where it lags: Rural and motorway speeds trail EE.

Official site ↗

Three

5G

Plans from Airalo, aloSIM, Holafly, Jetpac, Nomad, Roami, Roamic, Saily, Ubigi, Yesim connect to this network.

Typical 15–200 Mbps — enough for HD streaming · video calls · navigation

Cheap with fast city 5G; the weakest rural coverage of the four.

Where it wins: Generous unlimited tariffs and improving city 5G.

Where it lags: Weakest rural coverage of the four - check before countryside trips.

Official site ↗

Vodafone

5G

Plans 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

Strong nationwide with good city 5G.

Where it wins: Solid nationwide reach with strong indoor 5G in cities.

Where it lags: A few notched spots in the Highlands and rural Wales.

Official site ↗

UK's local carrier market

  • EE eSIM-ready
  • Vodafone eSIM-ready
  • O2 eSIM-ready
  • Three eSIM-ready

Matched against the 230 plans in the table above. Prefer plans on the carrier with the best coverage where you're going.

Which national networks cover UK's major cities

LondonManchesterBirminghamEdinburgh

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 UK

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 · January 2026

  • EE was the strongest performer with 11 outright awards, including Download Speed at 53.2 Mbps.
  • O2 won the Coverage Experience award outright with 9.0 out of 10; Three took 5G Download Speed with 187 Mbps.

Source: United Kingdom, January 2026, Mobile Network Experience Report, Opensignal.

Ookla · award report

Ookla's RootMetrics drive tests gave EE every UK-wide RootScore award for the 26th consecutive cycle, with a UK-wide median download of 130.3 Mbps — more than twice the next-best result.

Source: Ookla Speedtest report, 2026-08.

Ookla Speedtest Global Index

Ookla's index tracks UK's median mobile download, upload and latency month by month — the live picture of how the whole market's networks compare.

Open UK 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 UK

What is the cheapest eSIM for the UK?

Yesim holds the headline number for UK: UK at $0.51. The next cheapest brand is Roamic, at $1.00. The table above sorts every option, so compare the shape of a plan as well as its price.

Is unlimited eSIM data in the UK actually unlimited?

Capped, not unlimited - the 102 unlimited plans for UK throttle once the daily allowance is spent. The spread is wide - $0.87 to $4.14 a day - and Ubigi sits at the bottom of it at $0.87/day over 30 days. Throttling rather than disconnection is the trade-off, with speeds falling to 1 - 2 Mbps once the allowance is spent.

Airalo or Holafly for the UK?

It comes down to shape - buckets of data against unlimited days. On Airalo's side the best value is $0.78/GB - Uki Mobile - 50 GB at $39.00 - priced per gigabyte rather than per day. The flat-rate option is Holafly, at 3 days from $11.90 - $3.97/day whatever you use.

Do I need ID verification for an eSIM in UK?

No. The UK does not force ID checks on travel eSIMs - local SIM rules differ, but the plans on this page ship pre-registered.

Which networks do UK eSIMs use?

Plans on this page run on EE, Vodafone, O2, Three. Differences matter mostly outside the big cities - the network column in the main table shows which carrier each plan rides.

Can one eSIM cover the UK and France?

Not on a single-country plan. If the itinerary continues from UK into France, compare a regional package with two separate plans, since the tables here price each market on its own.

Can I use an eSIM in UK?

Yes, and UK is unremarkable in that respect - no local registration or permission is required. 10 providers sell 230 separate UK plans on this page, which is a market too large for availability to be the constraint. Verify your phone, then let the $/GB column decide between the plans above.

Will my phone work with an eSIM in UK?

Same test as anywhere: dial *#06# and look for an EID number. Published compatibility lists lag behind new releases, so the dialer test on your own unit beats any list, ours included. Verify the device first, because the plans above only help if it passes.

Do I need a local number in UK?

For messaging and maps you do not need one. Two-factor codes are the usual reason people ask, and those arrive on the home line as long as it stays active. Only add a local SIM on top if local calls are a real requirement.

What do travellers say about eSIMs in UK?

We keep no rating for UK eSIMs, and that is a decision rather than an omission. Price, allowance and the fair-use threshold are checkable facts, and they are what the tables above put side by side. Check the provider's fair-use and refund pages directly before you commit.

UK eSIM frequently asked questions illustration
Common UK eSIM questions — data, price and compatibility.

Keep traveling

eSIM for your next destination

Travelers comparing UK eSIMs often price these destinations next — each card opens a live plan table, checked the same day as the one above.

Ireland eSIM from $0.51 · 10 brands eSIM for France from $0.51 · 10 brands Austria eSIM prices from $0.51 · 10 brands Belgium eSIM from $0.51 · 10 brands eSIM for Croatia from $0.51 · 10 brands

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.