🇰🇷 Seoul · South Korea
Seoul eSIM (2026) — オンライン購入 / QR即時開通
South Korea・Seoul向けの旅行eSIM。空港SIM行列を回避し、到着前にQRプロファイルを入れ、着陸5秒でオンラインに。ローミング請求の心配なし。
Where you’ll use data most
- Gyeongbokgung Palace
- Myeongdong & Hongdae
- N Seoul Tower
- Bukchon Hanok Village
- KTX to Busan
Airports & arrival
- ICN (Incheon Intl.)
- GMP (Gimpo)
Local mobile networks
SKT · KT · LG U+
3-step setup
- Buy the eSIM online — the QR is emailed within minutes.
- On home Wi-Fi, scan the QR (Settings → Mobile → Add eSIM). Leave the line OFF.
- After landing, enable the eSIM as default cellular data. Done.
Related guides
- Best eSIM for South Korea (2026): Seoul, Busan & Jeju
- アジア20カ国 eSIM 2026 | 複数国データ
- How to Choose a Travel eSIM (2026) | Neutral Buyer Guide
South Korea eSIMプラン
South Korea eSIMプランFAQ
Yes for most short visits. A prepaid South Korea eSIM installs in 2 minutes, gives a fixed GB at a fixed price, and skips the airport SIM queue at ICN (Incheon Intl.).
Travel eSIMs roam over one or more local networks — typically SKT, KT, LG U+. The exact network is picked automatically based on signal strength.
Yes. Install on home Wi-Fi (Settings → Mobile → Add eSIM). Leave the line OFF, then enable after landing at ICN (Incheon Intl.) to avoid carrier auto-roaming.
Maps, chat and photos: 3–5 GB. Add streaming or hotspot for laptop: 8–15 GB. Pick at least one bracket higher than your estimate — top-ups cost more than upgrading at purchase.