Seoul Incheon Airport (ICN) Train & Subway Services

There is no long distance train service at ICN Seoul Incheon International Airport, however from the airport you can take a ICN bus to Seoul Station and from there take a train south. Purchase a premium limousine bus and train ticket as part of an Incheon Airport transportation package and there is a discount on the train fare portion. Korean Train Routes.     

The A'REX is a commuter train service that runs from the Incheon Airport to Gimpo Airport and is usually referred to as the "Airport Railroad".  There are two levels of service on the existing line, either the regular commuter service and the express service, but at present both cost the same. The travel time to Gimpo is about 33 minutes. Additional information on the A'REX service    . This Incheon Airport train service is located on the ICN Seoul Incheon International Airport B1 Floor Transportation Centre.