Instant Thailand eSIM — skip the airport SIM. No roaming, no KYC.
Thailand eSIMThailand eSIM
🇰🇷 Destination

eSIM plans for South Korea

The best-value plan for each size, duplicates and overpriced options are hidden automatically.

A South Korea travel eSIM from Thailand eSIM gets you online the minute you land, no roaming charges and no SIM card to swap. 28 plans cover South Korea, starting at $5.35, with up to 50 GB of data and validity up to 365 days. Buy online, get your QR code by email, and scan to connect.

2 countries

Japan & South Korea 1GB 7Days

1GB
7 days countries
From
$5.35
South Korea

South Korea 5GB 30Days

5GB
30 days 1 country
From
$6.70
South Korea

South Korea 10GB 30Days

10GB
30 days 1 country
From
$8.70
South Korea

South Korea 20GB 30Days

20GB
30 days 1 country
From
$12.20
South Korea

South Korea 50GB 30Days

50GB
30 days 1 country
From
$21.00
20 countries

Asia-20 20GB 90 Days

20GB
90 days countries
From
$46.00
20 countries

Asia-20 50GB 180 Days

50GB
180 days countries
From
$93.00
118 countries

Global (120+ areas) 1GB 365Days

1GB
365 days countries
From
$11.00
Show all 28 plans for South Korea
2 countries

Japan & South Korea 1GB 7Days

1GB
7 days countries
From
$5.35
12 countries

Asia (12 areas) 1GB 7Days

1GB
7 days countries
From
$7.50
20 countries

Asia-20 1GB 7 Days

1GB
7 days countries
From
$7.60
118 countries

Global (120+ areas) 1GB 7Days

1GB
7 days countries
From
$8.60
3 countries

China mainland & Japan & South Korea 3GB 15Days

3GB
15 days countries
From
$9.70
South Korea

South Korea 5GB 30Days

5GB
30 days 1 country
From
$6.70
2 countries

Japan & South Korea 3GB 30Days

3GB
30 days countries
From
$8.05
South Korea

South Korea 10GB 30Days

10GB
30 days 1 country
From
$8.70
3 countries

China mainland & Japan & South Korea 3GB 30Days

3GB
30 days countries
From
$9.90
South Korea

South Korea 20GB 30Days

20GB
30 days 1 country
From
$12.20
3 countries

China mainland & Japan & South Korea 5GB 30Days

5GB
30 days countries
From
$12.80
12 countries

Asia (12 areas) 3GB 30Days

3GB
30 days countries
From
$13.00
12 countries

Asia (12 areas) 5GB 30Days

5GB
30 days countries
From
$17.50
20 countries

Asia-20 5GB 30 Days

5GB
30 days countries
From
$17.60
20 countries

Asia (20 areas) 5GB 30Days

5GB
30 days countries
From
$17.60
3 countries

China mainland & Japan & South Korea 10GB 30Days

10GB
30 days countries
From
$19.20
South Korea

South Korea 50GB 30Days

50GB
30 days 1 country
From
$21.00
118 countries

Global (120+ areas) 5GB 30Days

5GB
30 days countries
From
$22.00
128 countries

Global139 3GB 30Days

3GB
30 days countries
From
$23.40
12 countries

Asia (12 areas) 10GB 30Days

10GB
30 days countries
From
$26.90
3 countries

China mainland & Japan & South Korea 20GB 30Days

20GB
30 days countries
From
$29.00
128 countries

Global139 5GB 30Days

5GB
30 days countries
From
$33.60
12 countries

Asia (12 areas) 20GB 30Days

20GB
30 days countries
From
$43.90
118 countries

Global (120+ areas) 20GB 30Days

20GB
30 days countries
From
$64.00
20 countries

Asia-20 20GB 90 Days

20GB
90 days countries
From
$46.00
128 countries

Global139 20GB 90Days

20GB
90 days countries
From
$93.68
20 countries

Asia-20 50GB 180 Days

50GB
180 days countries
From
$93.00
118 countries

Global (120+ areas) 1GB 365Days

1GB
365 days countries
From
$11.00

Mobile networks in South Korea

In South Korea, your Thailand eSIM eSIM connects to LG U+ and SKTelecom on 5G, selecting the strongest available signal automatically. Personal hotspot & tethering is supported.

LG U+ · 5GSKTelecom · 5G

Using an eSIM in South Korea

  • • Works on any eSIM-capable, carrier-unlocked phone.
  • • Data-only, keep your own number for calls and texts.
  • • Activates on arrival; validity starts on first connection in South Korea.
  • • Delivered instantly by email as a QR code, nothing to ship.
How it works →All destinations

South Korea eSIM, FAQ

Do I need an eSIM for South Korea?

If you want mobile data in South Korea without paying expensive roaming fees, a travel eSIM is the easiest option. You install it before you leave and it connects automatically when you arrive.

Will my phone work with a South Korea eSIM?

Yes, as long as your phone is eSIM-capable and carrier-unlocked. Most phones from 2018 onward qualify (iPhone XR/XS and newer, recent Samsung Galaxy and Google Pixel). Dial *#06#, if you see an EID, you're good to go.

When does my South Korea eSIM start?

Your validity period begins the first time the eSIM connects to a network in South Korea, not when you buy it. Install it before you travel and it activates on arrival.

Can I keep my phone number in South Korea?

Yes. The eSIM runs alongside your normal SIM and is data-only, so you keep your home number for calls and texts while using Thailand eSIM's eSIM for data in South Korea.

Which mobile network does the eSIM use in South Korea?

In South Korea, your Thailand eSIM eSIM connects to LG U+ and SKTelecom on 5G. Your phone automatically selects the strongest available signal, and personal hotspot / tethering is supported.