Airalo
Our pick · 200+ countriesThe largest catalogue and the smoothest install. Prices are fair rather than the cheapest.
App + web installFull review →
Best eSIM for South Korea
83 plans from 7 providers. Networks: SK Telecom · KT · LG U+.
Prices checked 4 Nov 2026Filter plans
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We may earn a commission when you buy through our links. Plans are sorted by price and scores only.
Provider scorecards
Who we'd buy from in South Korea
8.6
Nomad
170+ countriesOften cheapest per GB, especially in Asia. Coverage is narrower and support can be slower.
App + web installFull review →
Holafly
170+ countriesUnlimited data by the day. Expensive, but nothing to think about if you stream or work remotely.
App + web installFull review →
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South Korea eSIM questions
Which eSIM is best for South Korea?
For most trips, Airalo gives the best mix of price and network quality in South Korea. If you stream or work online, look at the unlimited plans.
How much does an eSIM for South Korea cost?
Plans start at $2.99, and the cheapest price per GB is $0.78. Unlimited plans cost more but have no data cap.
Which networks do South Korea eSIMs use?
Most travel eSIMs connect to SK Telecom · KT · LG U+. The plan list shows whether 5G is included.
When does my plan start?
Most plans start when the eSIM first connects at your destination, not when you buy it. Each plan shows when it starts.