Guide comparatif · Mis à jour juin 2026
Roaming Corée du Sud vs eSIM
Ce guide compare roaming vs eSIM pour Corée du Sud. Forfaits opérateurs : SK Telecom & KT vs travel eSIM and best eSIM South Korea.
Outside home bundles
Most home plans treat Corée du Sud as a paid roaming zone—not included at home rates.
Daily fees stack
A multi-day Corée du Sud trip can exceed one prepaid eSIM bundle.
Background data risk
Roaming on triggers app updates and map downloads on cellular.
Fixed prepaid eSIM
Choose GB and days before you fly—no post-trip invoice surprise.
Pourquoi le roaming coûte cher
Corée du Sud is often a premium roaming zone. Daily passes and per-MB fees add up on tourist routes—a prepaid travel eSIM is usually cheaper for 7–14 day trips.
Comparatif des coûts
| Option | Modèle tarifaire | Attention |
|---|---|---|
| Home roaming | Daily pass or per-MB | Expensive over multi-city Corée du Sud trips |
| eSIM voyage Corée du Sud | One-off prepaid | Data-only; install QR before ICN |
| Local carrier store | Prepaid in person | Store visit, passport, local language |
| Airport SIM | Prepaid at ICN | Queues, limited tourist English support |
Éviter les frais de roaming
- Turn off Data Roaming on your home SIM before you leave.
- Install a prepaid Corée du Sud eSIM on Wi-Fi before your flight.
- Enable the eSIM data line after landing at ICN.
- Keep your home number for SMS on Wi-Fi; do not use it for mobile data.
Évitez le roaming avec une eSIM Corée du Sud
Forfait prepaid—QR avant ICN, pas de facture surprise.
Corée du Sud Forfaits eSIM