The average bus between SeaTac and Arlington takes 4h 24m and the fastest bus takes 3h 10m. There is a bus service every few hours from SeaTac to Arlington. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run hourly between SeaTac and Arlington. The earliest departure is at 5:04 AM in the morning, and the last departure from SeaTac is at 9:33 PM which arrives into Arlington at 5:57 AM. All services require a transfer at Bellevue TC - Bay 7 and take an average of 4h 24m. The schedules shown below are for the next available departures.



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3h 55m • 3 changes



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3h 55m • 3 changes
Want to know about travelling from SeaTac to Arlington? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from SeaTac to Arlington. However, there are services departing from SeaTac station and arriving at Arlington station via Bellevue TC - Bay 7. The journey, including transfers, takes approximately 4h 24m.
SeaTac to Arlington bus services, operated by Sound Transit, depart from SeaTac Station.
SeaTac to Arlington bus services, operated by Sound Transit, arrive at Smokey Point Transit Center Bay 4 station.
The distance between SeaTac and Arlington is 84.4 km. The road distance is 121 km.
You can take a bus from SeaTac Station to Broadway St & E Gilman Ave via Bellevue TC - Bay 7, Bellevue Transit Center Bay 4, Lynnwood City Center Station Bay A5, Lynnwood City Center Station Bay D4, and Smokey Point Transit Center Bay 3 in around 4h 23m.