Seoul eSIM: what to know before you land
🇰🇷 Seoul, South Korea · ICN / GMP · 4-day pick: 3 GB for $4.99
Landing in Seoul
- ICN Incheon
- GMP Gimpo
Incheon is linked to Seoul Station by the AREX airport railroad. Gimpo, much closer to the city, handles domestic and some short international flights.
- Install the South Korea eSIM at home on Wi-Fi before you fly.
- When the plane lands at ICN, turn on data roaming for the eSIM line, so maps and transport apps work from the arrivals hall.
- The days start counting on first connection in South Korea, not at purchase.
You'll need about 2 GB over 4 days. 3 GB covers it with room to spare.
Maps and messaging only? 1 GB · 7 days for $2.99.
Pay · $4.99Short stays in Seoul
| Stay | Maps & messaging | Plus socials & photos | Streaming & hotspot |
|---|---|---|---|
| 2 days | $2.99 1 GB · 7 daysneeds ~409 MB | $4.99 3 GB · 30 daysneeds ~1 GB | $4.99 3 GB · 30 daysneeds ~2.6 GB |
| 3 days | $2.99 1 GB · 7 daysneeds ~614 MB | $4.99 3 GB · 30 daysneeds ~1.5 GB | $9.99 Unlimited · 3 daysneeds ~3.9 GB |
| 4 days | $2.99 1 GB · 7 daysneeds ~819 MB | $4.99 3 GB · 30 daysneeds ~2 GB | $12.99 Unlimited · 5 daysneeds ~5.2 GB |
| 5 days | $4.99 3 GB · 30 daysneeds ~1 GB | $4.99 3 GB · 30 daysneeds ~2.5 GB | $12.99 Unlimited · 5 daysneeds ~6.5 GB |
| 7 days | $4.99 3 GB · 30 daysneeds ~1.4 GB | $8.99 5 GB · 30 daysneeds ~3.5 GB | $15.99 Unlimited · 7 daysneeds ~9.1 GB |
Networks
The South Korea eSIM connects to SK. It lists 5G; a 5G phone uses it where the network has it, 4G elsewhere.
Also in South Korea
Going on from Seoul? Asia (18 countries), Global (202 countries) — cover South Korea too.
Questions about Seoul
Which airports serve Seoul?
Incheon (ICN), Gimpo (GMP). Incheon is linked to Seoul Station by the AREX airport railroad. Gimpo, much closer to the city, handles domestic and some short international flights.
How much data do I need for 4 days in Seoul?
About 2 GB for maps, messaging, socials and photos (our estimate: 0.5 GB a day). Our pick is 3 GB · 30 days for $4.99. If you only need maps and messaging, 1 GB · 7 days for $2.99 is enough.
Can I be online as soon as I land at ICN?
Yes, if you install the eSIM before you fly. Install it at home on Wi-Fi, then switch on data roaming for the eSIM line when you land; the plan's days start when it first connects to a network in South Korea.
Which networks will I use in Seoul?
The South Korea eSIM connects to SK. It lists 5G; a 5G phone uses it where the network has it, 4G elsewhere.