The Airport Railroad (AREX) Express Train is the fastest and most convenient mode of transportation between Incheon International Airport and downtown Seoul. Renowned for its efficiency, AREX guarantees nonstop connections, reducing the travel time to just 43 to 51 minutes, depending on your specific airport terminal. AREX trains follow a designated seating arrangement and are equipped with modern amenities, including a complimentary onboard WiFi to keep you connected throughout the ride.