Gimpo International Airport (GMP) is Seoul’s beloved downtown airport, closer and faster to access than Incheon. AREX Commuter trains reach Seoul Station in just 22 minutes (₩1,650), while Subway Line 9 express trains connect straight to Gangnam in 30 minutes.
Gimpo Airport is substantially closer to central Seoul than Incheon. The AREX All-Stop train reaches youth hub Hongdae (Hongik Univ.) in just 14 minutes (₩1,650) and Seoul Station in 22 minutes (₩1,750). To reach Gangnam, take Metro Line 9 Express in just 27 minutes. For Myeongdong, take AREX to Seoul Station and transfer to Line 4 (approx. 30 min total).
GMP operates separate International and Domestic Terminals connected by free shuttle buses and an underground concourse. Both terminals connect underground to the multi-line Gimpo Airport subway station (AREX, Lines 5, 9, Gimpo Goldline, Seohae Line).
Official taxis queue outside arrivals with clearly marked orange/silver regular taxis and black deluxe taxis. Never take private ride offers inside the terminal.
AREX and Line 9 trains run until approximately midnight. Night bus 6000 and 6021 operate late into Seoul city center.
Traveling with heavy suitcases, young children, or landing after midnight? Pre-book a fixed-price private airport transfer or express rail pass on Klook with instant confirmation and no meter haggling.
Airport Wi-Fi often drops outside the terminal curb where Kakao T / Uber (UT) / Tada pickup zones are located. Install a local eSIM before your flight so you can order a ride, translate station signs, and show digital train QR tickets immediately after landing.