Take AREX Train Between Terminal 1 and Terminal 2 of Incheon International AirportWith the opening of the new Terminal 2 building of Incheon International Airport, the Airport Express (AREX) Train has extended its service to cover both Terminal 1 and Terminal 2 of the airport.
You can take the AREX Train from Terminal 1 to Terminal 2 (Or Terminal 2 to Terminal 1) at a fare of KRW600. The ticket can be purchased at the AREX station of either Terminal 1 or Terminal 2. Note that if you want to take AREX to downtown Seoul Station, please go here).
Other way to go from Terminal 2 to Terminal 1 of Incheon Airport
Is there other way? Yes, you can also take the FREE shuttle bus connecting Terminal 1 and Terminal 2 of Incheon Airport if you do not want to pay for the AREX train service. The shuttle bus service is also very convenient because there is a bus departing every 5 minutes. For more information on Shuttle Bus service from Terminal 2 to Terminal 1 or Terminal 1 to Terminal 2, go here.