旅行ガイド · 2026年6月更新
韓国向け最適eSIM (2026)
This guide targets the best eSIM for 韓国 decision: coverage for Seoul, Busan & Jeju, data sizing, and travel eSIM vs local SIM or roaming.
旅行スタイル別データ
| 旅行スタイル別データ | GB | Note |
|---|---|---|
| City week | 3–5 GB | Maps, ride apps, messaging |
| One week + routes | 5–10 GB | Seoul, Busan & Jeju transfers |
| Hotspot / remote work | 10–20+ GB | Video calls burn data fast |
関連ガイド
韓国向けプリペイドeSIMを選ぶ
韓国 eSIMプランよくある質問
Match gigabytes and days to your itinerary. Buy from a provider that lists 韓国 coverage clearly and install the QR on Wi-Fi before ICN when possible.
Light use (maps, chat): 3–5 GB per week. Heavy streaming or hotspot: 10 GB+ or unlimited tiers if offered.
Yes. Purchase online, scan the QR on Wi-Fi before your international flight, and enable data after landing at ICN.
For 韓国 only, choose a 韓国 eSIM. If your trip also includes neighbouring countries, compare the regional country list before buying.