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Public Transit : Bus Service

King County Metro Transit (Bus Service)

Directions to King County Metro Bus Stops​

The King Count Metro bus stops that serve Sea-Tac Airport (routes that serve Sea-Tac) 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

 

The following King County Metro routes pickup adjacent to the light rail station on International Boulevard:

  • Rapid Ride A line (Federal Way)
  • Route 180 (Burien/Auburn)
  • Route 156 (Southcenter/Des Moines)

 

Departure times are shown on information signs at the bus stop. You also 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 (Bus Service)

Sound Transit operates two express bus routes that pickup and drop off passengers at the sound end of the main terminal on our lower drive. The ST Route 560 serves Burien, Renton, and Bellevue, WA. The ST Route 574 heads south and connects passengers with Federal way, Tacoma, and terminates in Lakewood, WA.

 

Paying for the Bus

Both King County Metro Transit and Sound Transit buses accept cash or ORCA Card payment​. Pay as you enter the bus. Please note that bus drivers do not carry cahnge, so you will need to pay the exact fare. 

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