Public transportation from Incheon Airport to your destination is available by bus, subway, train or Ferry:  For information about limos, premium buses and ticketing, visit one of these booths: Exits 4 &9 (indoors) or exit 4, 6, 7, 8, 9C,11, & 13 (outdoors). 
A new 'terminal' for mini van taxis
 or 'call van' service enables passengers now to be protected from fraud by enforcing fixed pricing, and vans can more easily load luggage there.  An information desk located in the terminal between exits 12 & 13 of level 1 provides more information & fares.
The T-money Mpass card can be used for transportation anywhere in Korea - available at the Arrivals level East & West.

By Bus:
  Bus destination and bus stop locations: 
   to Seoul 3B-6B, 10A-13A;
   to Incheon 2A, 2B, 9A, 9B;  to Gyeonggi 7A-8B;
   to other provinces 1-14, 9C, 9D, 10C; shuttle busses stop at 3A, 13B; bus charters stop at 1C, 12C.
   Bus 11A takes you to the Jamsil subway station. 

By Train: 
   The Airport Station
is located on level B1 of the Transportation Center, where you can catch the Express Train to Seoul Station - or you can take the various commuter trains (there is a 24-hr service to Digital Media City).   Note that the link between Incheon Airport railroad & Gyeongui Line has been completed, and a Honan Line has been added.
    Subway:  Lines 1 or 4 run to Seoul Station. Commuter trains connect you to the following lines & subway stations. Only Gyeyang is an Incheon Subway, all others are Seoul subways:  Gyeyang - line 1; Gimpo Airport - lines 5, 9, Digital Media City - Line 6; Hongik University - line 2; Gongdeok - lines 5, 6.
    AREX train station is in the Transportation Center, next to the main terminal. Both Incheon & Gimpo airports are express & commuter stations.  Commuter train stations are: Incheon Cargo Terminal, Unseo, Geomam, Gyeyang  (27 mins, with transfer to Incheon Subway Line 1); Gimpo Airport (33 minutes, with transfer to Seoul Subway Lines 5 & Digital Media City Station (transfer to Line 6, Gyeongui Line); Hongik University, Gongdeok; and Seoul Station (5 mins.; transfers to lines 1&4 & Gyeongui Line 9).
The AREX train station is equipped with a city air terminal & baggage processing facility, enabling passengers to check in there.
    Maglev train (max. speed 110 km/hr) now links Incheon Airport with the Yongyoo-Mui leisure complex, a 6.1 km track.
    KTR (Korea Train Express) completed a link between Incheon Airport Railroad & Gyeongui Line (and will add a Honan Line by 2014.

By Ferry: 

A ferry service on Yengjong pier runs between the Airport and the city of Incheon, however its dock is quite far from the airport & you will need separate transportation to get there.

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