Airport limousine buses run directly from the airport to Seoul. It takes about an hour to Seoul Station. It is a frequently used mode of transportation by passengers from the airport and operates every 10 to 30 minutes. You can take Bus No. 6001 or 6702 at ICN Airport to Seoul Station.
You can take AREX trains from Incheon/Gimpo Int'l Airport to Seoul Station. Operating both Local and Express trains, take the Express train to get to Seoul Station in just an hour. More info
You can take the subway to get around Seoul. There are a total of nine interconnected subway lines, and you can transfer quickly via Lines 5 and 9 from Gimpo Int'l Airport and AREX from Incheon Int'l Airport. More info
You can hail a taxi from the airport at the taxi stand in front of the airport arrival hall. There are various taxis to choose from based on your need—sedans, vans, and international taxis with interpretation service. More info
※ Passengers must pay for the expressway toll from Incheon Int'l Airport to Seoul.