eSIM.sm South Korea 2026: Cheap Data Plans & Prices

The cheapest eSIM.sm for South Korea costs $3.70 and gives you 1 GB for 7 days. We recheck prices daily, so this price is up to date. You can buy it on the official eSIM.sm site.

Yes, eSIM.sm works in South Korea on its South Korea-only plans. If your eSIM is installed but won't connect after you land, open your phone's settings and turn on data roaming for it. Your home SIM can stay as it is.

For South Korea alone, these are eSIM.sm's lowest prices by trip length:

• 7 days: $3.70 for 1 GB
• 30 days: $6.50 for 5 GB

eSIM.sm has no 15-day plan for South Korea.

No, eSIM.sm has no unlimited plans for South Korea, so every plan comes with a set amount of data.

eSIM.sm is an eSIM store for travelers, with plans covering 184 destinations. On Trustpilot, 11,085 people have rated it 4.7 out of 5.

With eSIM.sm, 1 GB in South Korea can cost as little as $0.96, on the plan with 20 GB for 30 days.

Yes, you can share your data through a personal hotspot, with no limit on how much you share.

Yes, as a paid extra, but only with its Global eSIM: you can add a US or UK phone number with minutes included every month. eSIM.sm's South Korea plans themselves are data only.

Yes, you can buy it ahead and activate it within 60 days of purchase. On most plans, the days start only when you reach South Korea and the eSIM connects to a network.

Yes, plans with a set amount of data can be topped up on the website or in the app under My eSIMs, and a top-up adds both data and days. Unlimited plans and expired eSIMs can't be topped up.