🚇 Public Transport near Seattle–Tacoma International Airport
Seattle • Last updated 2025-11-03 UTC
Sound Transit
Sound Transit provides regional public transportation in the Seattle metropolitan area, operating the Link 1 Line (light rail) and ST Express bus services. These connect Seattle–Tacoma International Airport (SEA) with major destinations such as downtown Seattle, Bellevue, Tacoma, and Lakewood. The airport is directly served by SeaTac/Airport Station, accessible via an airport-connected pedestrian bridge. Sound Transit services are accessible, integrated, and use the ORCA fare system.
🚍 Routes
1 Line (Link Light Rail)
The 1 Line provides direct, frequent light rail service between SeaTac/Airport Station and destinations including Angle Lake, downtown Seattle, the University District, Northgate, and Lynnwood (extension opening December 2025). Trains operate every day, connecting the airport to major employment, residential, and event centers. The station is linked to the airport terminal by a pedestrian bridge.
ST Express 560
ST Express 560 connects SeaTac Airport with Bellevue, Renton, and West Seattle. The route provides direct service to the airport at SeaTac/Airport Station and serves major Eastside and South King County hubs. Schedules and stop details are available on Sound Transit’s official timetable.
ST Express 574
ST Express 574 provides direct service between SeaTac Airport and Lakewood, with stops at Federal Way, Tacoma Dome, and other South Sound locations. The route serves the airport at SeaTac Airport Terminal - Bay 2. Note: Service patterns may change after the Federal Way Link extension opens in December 2025.
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King County Metro
King County Metro provides public bus service throughout King County, including routes that serve Seattle-Tacoma International Airport (SEA). Metro routes connect the airport to regional destinations such as Federal Way, Kent, Tukwila, Burien, and Seattle, with stops located on International Boulevard adjacent to the Link light rail station for convenient airport access. The service is integrated with the ORCA payment system and supports accessible travel for airport passengers and local commuters.
🚍 Routes
RapidRide A Line
RapidRide A Line provides frequent service between Federal Way Transit Center and Tukwila International Boulevard Station, with a stop on International Boulevard adjacent to SeaTac/Airport Link Light Rail Station. Key stops include Federal Way, Kent Des Moines, Highline College, and Tukwila.
Route 156
Route 156 operates between Southcenter Mall, Tukwila, SeaTac, and Des Moines, serving the SeaTac/Airport Station on International Boulevard for direct airport access.
Route 161
Route 161 connects Kent, SeaTac, and Burien, stopping at SeaTac/Airport Station on International Boulevard. The route serves Kent Station, S 200th Street, and Burien Transit Center.
Route 124
Route 124 provides service between downtown Seattle, Georgetown, Tukwila International Boulevard Station, and SeaTac/Airport Station on International Boulevard, offering direct access for airport travelers.
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