The cheapest way in. The AREX Express to Seoul Station is 16 minutes quicker for ₩8,250 more, which is not worth it at this party size.
AREX all-stop train to Seoul Station
AREX · Airport Railroad Co. (AREX)Pickup, hours & luggage
Boards at. Incheon Airport Terminal 1 station, Transportation Center, B1; or Terminal 2 station
KRW 4,750 with a T-money or other transport card. A single-journey card costs KRW 4,850, plus a KRW 500 deposit refunded at the machine when you arrive.
Luggage. Luggage spaces by the first door of cars 2 to 5.
Hours. From Terminal 1 every 5 to 13 minutes from 05:14, every day; the last three leave at 23:03, 23:19 and 23:38. The 23:56 goes only as far as Digital Media City.