South Korea eSIM
Stay connected in South Korea from €0.86. Instant eSIM with 4G data, delivered by QR — no physical SIM and no roaming bills.
Networks in South Korea
Your eSIM connects automatically to Korea Telecom and SK Telecom Co., Ltd. at up to 4G speeds, picking depending on your selected plan, device and location.
South Korea data plans
35 plans available · cheapest first, including 22 unlimited.
1 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now3 days · 4G · €0.86/GB
Buy now7 days · 4G · €1.20/GB
Buy now5 days · 4G · €0.54/GB
Buy now3 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now5 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now7 days · 4G · €0.60/GB
Buy now1 days · 4G
Buy now7 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now5 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now7 days · 4G · €0.48/GB
Buy now6 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now15 days · 4G · €0.55/GB
Buy now7 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now30 days · 4G · €0.60/GB
Buy now15 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now20 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now10 days · 4G · €0.50/GB
Buy now15 days · 4G · €0.53/GB
Buy now25 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now30 days · 4G · €0.55/GB
Buy now15 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now15 days · 4G · €0.44/GB
Buy now30 days · 4G · First 1GB/day at full speed, then 384kbps
Buy now20 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now7 days · 4G
Buy now25 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now8 days · 4G
Buy now10 days · 4G · €0.43/GB
Buy now30 days · 4G · €0.46/GB
Buy now30 days · 4G · First 2GB/day at full speed, then 384kbps
Buy now5 days · 4G
Buy now10 days · 4G
Buy now15 days · 4G
Buy now30 days · 4G
Buy nowWhy travelers choose Roamsim in South Korea
- Instant delivery — your South Korea eSIM arrives by QR seconds after payment.
- Flat, upfront pricing — no bill shock, no roaming surprises.
- Keep your main number while using local data on a second line.
- 24/7 in-app support from real people, wherever you travel.
South Korea eSIM by plan size
Already know how much data you need? Jump straight to it.
Regional plans that cover South Korea
Visiting more than one country? These regional eSIMs include South Korea and are usually cheaper than buying each destination separately.
South Korea eSIM — FAQ
How do I get an eSIM for South Korea?
Pick a South Korea data plan below, pay by card or crypto, and we deliver your eSIM instantly. Scan the QR code and you're connected in minutes — no physical SIM, no store visit.
Will my phone work with a South Korea eSIM?
Most phones from the last few years support eSIM, including iPhone XS and newer, Google Pixel 3+, and recent Samsung Galaxy S/Z models. Your phone must be carrier-unlocked.
Does the South Korea eSIM include 5G?
Not in South Korea. Our local partner networks there run up to 4G, so plans connect at 4G speeds. Everything else works exactly the same.
Which network will I connect to in South Korea?
Our South Korea plans use partner networks including Korea Telecom and SK Telecom Co., Ltd.. Available networks depend on the selected plan, device and location.
Is there a plan that covers South Korea and other countries?
Yes. Asia, Global Lite, Global Max and Global are regional plans that include South Korea, which is usually cheaper than buying each country separately on a multi-stop trip.
Can I keep my own phone number?
Yes. The eSIM runs as a separate data line, so you keep your main number for calls and texts while using South Korea data on the eSIM.
When does my plan start?
Activation rules vary by plan. Check the activation note at checkout before installing your South Korea eSIM; some plans start on connection or first data use, while others have different activation rules.
Ready for South Korea?
Get connected from €0.86 — installed before you land.