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South Korea flag Asia Prices checked Sep 30, 2026

Saily South Korea eSIM Plans & Prices (2026)

Saily's complete South Korea lineup — 11 plans, benchmarked against all 10 providers and 185 plans we track for this country.

11Plans
$3.99From
$1.50Best $/GB
#8of 10 on $/GB

Prices shown are Saily's own list prices as checked on Sep 30, 2026 and can change at any time — confirm the current figure on Saily's website before you buy.

Saily eSIM plans for South Korea — data, validity and prices
Saily in South Korea — 11 plans, prices checked Sep 30, 2026.

Saily promo code

25% off Saily eSIMs — code VEEPEE25

No expiry published. Applies at Saily checkout on top of the prices below.

Use code at Saily

The verdict, computed

Is Saily the right eSIM for South Korea

Saily's best rate in South Korea is $1.50/GB; the country benchmark is $0.55/GB among the 10 providers we track. Entry price is $3.99 against the country floor of $1.00. The full ranking context lives in the all-provider South Korea comparison.

Saily in South Korea

All 11 Saily South Korea plans

11 plans · 7 trip lengths · 5 to 30 days

cheapest first · unlimited plans listed last
Trip length
Data volume
Plan Data Validity Price $/day $/GB Link
South Korea 20GB 30 days 20GB 30 days $29.99 $1.00 $1.50 View plan
South Korea 10GB 30 days 10GB 30 days $18.99 $0.63 $1.90 View plan
South Korea 5GB 30 days 5GB 30 days $10.99 $0.37 $2.20 View plan
South Korea 3GB 30 days 3GB 30 days $8.99 $0.30 $3.00 View plan
South Korea 1GB 7 days 1GB 7 days $3.99 $0.57 $3.99 View plan
South Korea UNLIMITED 5 days Unlimited 5 days $18.99 $3.80 — View plan
South Korea UNLIMITED 10 days Unlimited 10 days $34.99 $3.50 — View plan
South Korea UNLIMITED 15 days Unlimited 15 days $48.99 $3.27 — View plan
South Korea UNLIMITED 20 days Unlimited 20 days $59.99 $3.00 — View plan
South Korea UNLIMITED 25 days Unlimited 25 days $65.99 $2.64 — View plan
South Korea UNLIMITED 30 days Unlimited 30 days $71.99 $2.40 — View plan

Prices in USD as listed by Saily, excluding promo codes and taxes. Badges compare against all 185 South Korea eSIM plans we track — see our methodology. Last checked Sep 30, 2026.

Beyond the price tag

Saily South Korea eSIM hotspot 5G and fair-use rules

Quoted from Saily's own published policy rather than paraphrased — these are the terms that decide whether a plan for South Korea survives a real trip.

Hotspot and tethering

Allowed

No separate cap

Saily advertises unrestricted hotspot sharing; tethering data is drawn from the same plan allowance as your phone.

Speed and 5G

5G available

20–350 Mbps

Typical real-world download on the fastest host network, SK Telecom. Actual speed depends on which mast your phone picks and how busy it is.

Fair-use threshold

5 GB/day on unlimited plans

Drops to 1 Mbps

Saily states its daily cap openly: 5 GB at full speed per 24-hour cycle, then around 1 Mbps. That is the most generous published threshold among the unlimited travel plans we track.

Top-ups

Available

In-app top-ups, so a shortfall is a two-tap fix.

Fine print decoded

Is Saily unlimited data in South Korea really unlimited

Plan Price $/day Fair-use policy
South Korea UNLIMITED 5 days $18.99 $3.80 5 GB per day at full speed, then ∞ at 1kbps
South Korea UNLIMITED 10 days $34.99 $3.50 5 GB per day at full speed, then ∞ at 1kbps
South Korea UNLIMITED 15 days $48.99 $3.27 5 GB per day at full speed, then ∞ at 1kbps
South Korea UNLIMITED 20 days $59.99 $3.00 5 GB per day at full speed, then ∞ at 1kbps
South Korea UNLIMITED 25 days $65.99 $2.64 5 GB per day at full speed, then ∞ at 1kbps
South Korea UNLIMITED 30 days $71.99 $2.40 5 GB per day at full speed, then ∞ at 1kbps

The masts behind the plan

Which network does Saily ride in South Korea

Saily owns no towers in South Korea. This plan connects to the local host carriers KT, LG U+, SK Telecom — so coverage, speed and rural reach follow those masts rather than the brand on the voucher.

SK Telecom

5G

25–350 Mbps

Korea's largest and fastest — mid-band 5G basically everywhere, including the subway.

Official site ↗

KT

5G

25–300 Mbps

A close second with excellent Seoul metro coverage.

Official site ↗

LG U+

5G

20–250 Mbps

The smallest but still fast nationwide, and often the cheapest.

Official site ↗

Network-by-network breakdown, including which carriers every rival rides and how the two testers rank them: South Korea carrier breakdown →

Typical speeds are our editors' reads of each operator's own coverage data. The independent national benchmark is Ookla's Speedtest Global Index for South Korea.

Before you buy

Things to know about South Korea before you pick a plan

Country-level facts, not brand claims — they apply to any eSIM you buy for South Korea, Saily's included.

  1. Korean carrier apps often demand a local ARS verification - travel eSIMs sidestep this with pre-registered profiles.
  2. KT and SK both cap tourist plans at LTE despite the 5G rollout; check whether your plan lists 5G before paying extra.

Price by trip length

What Saily costs by trip length in South Korea

The same trip priced two ways — Saily's own cheapest plan that stays valid for the whole stay, against the cheapest rival plan covering the same days in South Korea.

Trip length Saily cheapest Cheapest rival in South Korea cheaper
3 days $3.99 7 days · 1GB $1.00 7 days · 1GB · Roamic Roamic cheaper
5 days $3.99 7 days · 1GB $1.00 7 days · 1GB · Roamic Roamic cheaper
7 days $3.99 7 days · 1GB $1.00 7 days · 1GB · Roamic Roamic cheaper
10 days $8.99 30 days · 3GB $2.84 30 days · 1GB · Yesim Yesim cheaper
15 days $8.99 30 days · 3GB $2.84 30 days · 1GB · Yesim Yesim cheaper
30 days $8.99 30 days · 3GB $2.84 30 days · 1GB · Yesim Yesim cheaper

Pick your trip length and this re-reads the plan table above on the spot — the cheapest plan whose validity still covers the whole trip, against the cheapest rival in the same country.

Price it for your own dates

Your trip length

Saily cheapest plan that covers the trip

—

Cheapest rival —

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Only plans whose validity covers the whole trip are counted here, so a 30-day trip is priced with a 30-day plan rather than a 5-day one stacked up. Each pick shows its data allowance next to the price — a 500MB trial pack undercuts a 5GB plan for a reason.

One column per brand, cheapest plan that covers the whole trip. Rivals are the other providers we track in South Korea.

Need an exact number for your own dates? Run the trip cost calculator.

Who it fits

Should you buy Saily for South Korea

Buy it if

  • +You would rather size your own data — 11 plans here, from $3.99.
  • +You are travelling for 30 days or more — South Korea 3GB 30 days covers it for $8.99.
  • +You are on a short break — South Korea 1GB 7 days runs 7 days for $3.99.

Look elsewhere if

  • –You are going for fewer than 5 days — its shortest plan runs 5 days
  • –You need a local phone number — these are data-only plans.
  • –Cheapest headline price is all that matters — Roamic's smallest plan in South Korea starts at $1.00, and that buys 1GB.

Honest trade-offs

Where Saily wins and loses in South Korea

Strengths

  • +Unlimited data from $2.40 a day
  • +Its daily rate falls from $3.80 on the 5-day plan to $0.30 on the 30-day plan
  • +5G on all 3 host networks in South Korea
  • +One purchase covers trips from 5 to 30 days
  • +Hotspot and tethering allowed — No separate cap

Watch out for

  • –A 30-day unlimited plan costs $41.00 from Roamic against $71.99 here
  • –A 3-day trip has no matching tier — its cheapest cover is the 7-day / 1GB plan at $3.99
  • –Its shortest plan runs 5 days, so a shorter trip still pays for 5
  • –Saily sells 7 trip lengths here while Roamic sells 30
  • –Fair-use throttling starts at about 5 GB a day, then speeds drop to 1 Mbps
  • –Data-only plans with no local phone number

Brand history and track record — Saily

The other side by side

Saily vs the other providers in South Korea

FAQ

Saily South Korea eSIM questions

How much does Saily charge for South Korea?

Saily sells 11 plans for South Korea, from $3.99. Its best rate is $1.50/GB, drawn from the 10 provider price sheets we track for this destination. All prices are in USD as listed by Saily and exclude promo codes.

Is Saily unlimited data in South Korea really unlimited?

Uncapped, but not unthrottled: Saily's South Korea unlimited plans run on a published fair-use rule, and what we recorded from Saily's own documentation is 5 GB/day on unlimited plans. Past that point the connection slows instead of stopping, so the promise is about data volume rather than speed — see the fair-use table above for which tiers carry the rule and the policy cards for the quoted source. Maps, chat and some video rarely reach the threshold; a laptop on hotspot usually does.

Can I share my Saily South Korea eSIM with a laptop?

Tethering is governed by Saily's own rule rather than by the country. What we recorded from Saily's documentation for South Korea plans is No separate cap. That is the publisher's wording, not our paraphrase — the full quote sits in the policy cards above. If you work from a laptop for hours a day, treat this line as the deciding factor between Saily and a metered alternative, because hotspot traffic drains the same allowance as the phone itself.

Which network does Saily use in South Korea?

Saily owns no towers in South Korea, so your data rides the local host carriers — KT, LG U+, SK Telecom. The fastest of those sustains roughly 350 Mbps, and every one of the 185 South Korea plans we track connects to the same local networks.

Is Saily or Roamic the better South Korea eSIM?

Saily's cheapest plan here is $3.99; Roamic's is $1.00, though that entry price buys 1GB. The full ranking with every plan — allowance and $/GB side by side — sits in the South Korea eSIM comparison.

Does Saily have good reviews for South Korea?

We publish no star rating, and that is deliberate: Trustpilot runs separate regional storefronts, so the same brand holds several scores at once, and quoting one of them as the rating would mislead. The reviews themselves are at <a href="https://www.trustpilot.com/review/saily.com" rel="nofollow noopener" target="_blank">Saily on Trustpilot</a>. What we verify instead is measured on this page — 11 Saily plans for South Korea starting at $3.99.

Does Saily work in South Korea?

Yes. Saily owns no towers in South Korea, so your plan rides the local host networks — KT, LG U+, SK Telecom — and every one of the 185 South Korea plans we track connects to that same set. Installs that fail are almost never a coverage problem. They come down to three causes: the handset is still carrier-locked, the eSIM line's data roaming is switched off, or the phone stays on the old line for mobile data after the profile installs. All three are fixable at home, which is why installing on your own Wi-Fi beats doing it at the airport. Saily sells 11 packages here from $3.99, so the host network is not what separates it from its rivals.

How do I activate my Saily eSIM for South Korea?

Install it while you still have home Wi-Fi: Saily issues either a QR code or an in-app profile, and the install itself takes minutes. Leave the line switched off until you land if you want the validity window to start on arrival, and turn data roaming on for that line. On this page Saily sells 11 separate South Korea packages, from $3.99 each, so match one to your trip length rather than planning to top up abroad. The generic walkthrough is in our eSIM installation guide.

Saily South Korea eSIM questions illustration
Saily South Korea eSIM questions — data, hotspot rules and fair use.

See the whole South Korea picture

Saily's best $/GB in South Korea next to the other 10 providers we track — the full table with all 185 plans, badges and fair-use notes lives on the South Korea eSIM comparison. Prices verified Sep 30, 2026.