Incheon Airport to Busan (2026): KTX, Airport Bus or Flight
Incheon Airport to Busan: direct buses to Haeundae from ₩58,400 (about 5h40), AREX + KTX via Seoul Station, or 5 daily transfer-only flights.
Arriving in Korea
K-ETA, the e-Arrival Card and getting from the airport to your first stop.
Incheon Airport Arrival Procedure (2026): Immigration to Seoul
Incheon arrival step by step: immigration with your e-Arrival card or K-ETA, bags and customs, then AREX to Seoul (4,750 won all-stop, 13,000 won express).
Korea e-Arrival Card vs K-ETA (2026): Who Needs Which
K-ETA or e-Arrival Card for Korea in 2026? Who needs which, the 22 exempt countries to Dec 31, fees, the 3-day window, no-QR fix, plus Q-CODE and customs.
Korea eSIM vs USIM vs Pocket WiFi (2026): Which to Get
Korea eSIM, USIM or pocket WiFi? If your phone takes an eSIM, KT, SK Telecom and LG U+ list 18,000 won for 3 days of unlimited data. Which give a 010 number.