The Best eSIMs for South Korea

Jonathan Heavens
March 30, 2025
South Korea
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South Korea is a popular stop for digital nomads, remote workers, and backpackers, offering high-tech cities, cultural heritage, and a solid infrastructure for remote work. Whether you’re working from a coworking space in Seoul, experiencing the creative energy of Busan, or taking a weekend escape to Jeju Island, staying online is essential. Thanks to eSIMs, you can now enjoy seamless mobile internet without the hassle of physical SIM cards.

I have to admit that in my first year as a digital nomad, I was hesitant to use eSIMs, but now after giving them a go, I don’t know what I thought the problem would be.

In this post, we’re highlighting our 3 eSIM recommendations for South Korea, covering Airalo, eSIM4Travel and Saily, chosen for their affordability, ease of use, and reliability across the island. We’ve also included a helpful directory of other eSIM providers, as well as for other locations around the world.

What is an eSIM, and Why Should You Use One in South Korea?

An eSIM, which is actually short for embedded SIM, is a digital SIM card built into your phone or device. Instead of inserting a physical card, you download an eSIM profile from a provider, which gives you access to a mobile network in your chosen country or region (depending on what you choose).

Why Use an eSIM in South Korea?

  • Convenience: No need to visit shops or deal with local SIM cards.
  • Cost-Effective: Avoid expensive roaming fees from your home provider.
  • Flexibility: Easily switch between eSIM providers or plans.
  • Reliability: Get a strong connection in rural areas, and even on islands.

Frequently Asked Questions (FAQs)

Can I use an eSIM anywhere in South Korea?

Yes, providers like Airalo, eSIM4Travel and Saily have good coverage across cities, rural areas, and island destinations.

Are eSIMs expensive?

No, they are very affordable. Plans start from just a few dollars, depending on the provider and data size.

Is it hard to set up an eSIM?

Not at all! Providers have easy to follow guides. And if you get stuck, their live chat can help.

Can I use an eSIM for calls and texts?

Most eSIMs are data-only. For calls, use apps like WhatsApp or Facetime.

How do I know if my phone supports eSims?

Check your phone’s settings or look up its specifications online.

Can I switch between eSim providers?

Yes, you can store multiple eSIM profiles and switch between them as needed.

Conclusion

Whether you’re working in a coworking space in Seoul, enjoying the creative energy of Busan, or taking a weekend escape to Jeju Island, an eSIM ensures you stay online.

  • For simplicity and affordability, go with Airalo.
  • For excellent customer service and an easy setup, try eSIM4Travel.
  • If you're planing to visit multiple countries, use Saily.
  • Want to explore more options? Check out our full list eSIM providers for South Korea here.

No matter which provider you choose, an eSIM will make your travels in South Korea smooth and hassle-free.

This page contains affiliate links. If you click on a link and make a purchase, we might earn a commission. The price for you is not impacted and it helps us keep Nomadwise free for all users. A win-win for everyone :)

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