Yesim eSIM South Korea 2026: Cheap Data Plans & Prices

The cheapest Yesim for South Korea costs $2.79 and gives you 1 GB for 30 days. We recheck prices daily, so this price is up to date. You can buy it on the official Yesim site.

Yes, Yesim works in South Korea on its South Korea-only plans and on its regional and global eSIMs. 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, a 30-day Yesim plan starts at $2.79 for 1 GB. Yesim has no 7- or 15-day plan for South Korea.

Yes, Yesim has 30 unlimited plans for South Korea, ranging from $3.90 for 1 day to $63.55 for 30 days. A week without a data cap costs $27.31. Yesim doesn't publish a full-speed limit for its unlimited plans. Yesim's partners may set their own fair use limit, and after it the speed may drop, so check the plan details before you buy.

Yesim is an eSIM store for travelers, with plans covering 185 destinations. On Trustpilot, 2,970 people have rated it 4.3 out of 5.

With Yesim, 1 GB in South Korea can cost as little as $1.09, on the plan with 30 GB for 30 days.

Yes, hotspot is on by default on most Yesim plans, unlimited ones included, with no extra fee, and shared data comes out of your plan. In some places it may be restricted.

Yes, as a paid extra: Yesim sells virtual numbers from the UK, the US, the Netherlands and Canada, but they only receive texts. Yesim's South Korea plans themselves are data only.

Yes, you can install it before your trip. The days start when the eSIM connects to a network in South Korea, and you need to start within 180 days of purchase.

Yes, on most Yesim plans you can top up in the app or in your account on the website. A top-up is a new plan that replaces the current one, and leftover data and days don't carry over.

Yes, Yesim has 34 regional plans that cover South Korea and other countries, plus 14 global plans starting at $26.76. These keep you online as you cross borders. But if you're only going to South Korea, a South Korea-only plan costs less. For example, 10 GB for 30 days is $17.84 on the South Korea eSIM and $20.74 on the regional one.