Question 1

How much does an Saily eSIM for South Korea cost?

Accepted Answer

Saily South Korea plans start at $4.99 for 1GB over 7 Days. Across all 17 plans, data allowances run from 1GB to 25GB, with validity from 5 to 365 days. Saily ranks 6 of 6 on entry price for South Korea. Roamix currently starts lower, at $0.85.

Question 2

Which Saily plan is the best value for South Korea?

Accepted Answer

On cost per gigabyte, the best Saily plan for South Korea is 25GB for 60 Days at $48.99 — about $1.96 per GB. The cheapest headline price ($4.99) is a smaller bundle, so it costs more per gigabyte. Pick the entry plan for a short trip and the value plan if you expect to stream, map or tether.

Question 3

Is Saily the cheapest eSIM for South Korea?

Accepted Answer

Not always. Saily ranks 6 of 6 on entry price for South Korea. Roamix currently starts lower, at $0.85. Entry price alone can mislead, though — a cheap 1 GB bundle often costs far more per gigabyte than a mid-size plan. Compare the full South Korea table before deciding.

Question 4

Does Saily support 5G in South Korea?

Accepted Answer

Yes — 17 of 17 Saily plans for South Korea run on 5G where the local network supports it. Actual speeds depend on your device, your location and how busy the host carrier's network is.

Question 5

How do I install an Saily eSIM?

Accepted Answer

In-app install via the Saily app (iOS and Android). Buy before you fly while you still have home connectivity, but do not activate until you land — validity usually starts on first connection to a local network, not at purchase. Your phone must be carrier-unlocked and eSIM-capable.

Question 6

Can I top up an Saily South Korea plan?

Accepted Answer

Saily offers South Korea plans up to 365 days, so for longer stays it is usually cheaper to buy the longer plan up front than to top up a short one. Top-up availability varies by plan — check the plan detail before you buy if you expect to extend.

Provider	Plans	Entry price	Best cost / GB
Saily (this page)	17	$4.99	$1.96
Roamix	475	$0.85	$0.78
eSIMPal	8	$2.90	$1.47
BreezeSIM	29	$3.13	$1.18
Airalo	56	$4.00	$0.89
Nomad	23	$4.00	$0.78

Saily South Korea eSIM: Plans & Prices (2026)

Is Saily a good choice for South Korea?

Where it wins

What to watch

Every Saily plan for South Korea

Saily vs other providers in South Korea

Saily South Korea eSIM: common questions