Link Light Rail
The Sea-Tac Airport station is connected to the fourth floor of the airport parking garage. Trains arrive and depart on the platform level of the station. The covered walkway to the airport terminal is one level down on the mezzanine. The walkway is separated from the main area of the garage and directional signs point the way to the main terminal skybridge. The trains run from 5 a.m. to 1 a.m. Monday through Saturday and 6 a.m. to midnight on Sundays. Trains arrive and depart every 7.5 to 15 minutes, depending on the time of day. For more information please visit Link Light Rail.
King County Metro Transit
The King Count Metro bus stops that serve Sea-Tac Airport are located on International Boulevard (State Highway-99) and South 176th Street by the Link Light Rail Station. The most convenient route to the stops is to take the walkway through the north end of the fourth floor of the Airport Parking Garage to the Sound Transit Link Light Rail Station and exit to International Boulevard.
There are information signs at the bus stop that show departure times. For your convenience, you can pick up printed bus timetables at the Ground Transportation Information Booth on the Baggage Claim level near door number 16 (across from baggage carousel 12).
Sound Transit Express Routes 560 and 574 pick up and discharge passengers from the main terminal bus stop on the lower drive. You can find detailed information for these routes online at Route 560 and Route 574.