How much does a 3 GB eSIM for South Korea cost?
Between $3.04 and $9.00, depending on the provider. The cheapest 3 GB eSIM for South Korea is Computatus eSIM at $3.04; the most expensive is Airalo at $9.00.
Prices checked on August 22, 2026 · All prices shown in US dollars.
Which provider is cheapest for South Korea?
Computatus eSIM, at $3.04 for 3 GB. It undercuts Nomad, the next cheapest, by $4.96.
How much do I save by comparing?
Up to $5.96 on a single 3 GB plan — 66% off the highest price of the 4 providers we checked for South Korea.
What does each provider charge?
Here is the full list for South Korea, cheapest first.
- Computatus eSIM Cheapest
- $3.04$1.01 per GBOpen Computatus eSIM
- Nomad
- $8.00$2.67 per GBOpen Nomad
- Saily
- $8.99$3.00 per GBOpen Saily
- Airalo
- $9.00$3.00 per GBOpen Airalo
Why only these 4 providers?
Because these are the ones travellers actually use and keep using. Each sells directly rather than through a reseller, publishes its prices openly, and delivers a straight 3 GB on local networks in South Korea, so the plan behaves the way you expect while you are travelling. Keeping the list short is the point.
Is the cheapest eSIM good enough for South Korea?
All 4 providers use the local networks in South Korea; a 3 GB plan gives you the same 3 GB whichever you pick. Unless you need a specific provider's app or support, price is the deciding factor.