The average bus between SeaTac and Marysville takes 2h 59m and the fastest bus takes 2h. There is a bus service every few hours from SeaTac to Marysville. 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 Marysville. The earliest departure is at 5:05 AM in the morning, and the last departure from SeaTac is at 9:33 PM which arrives into Marysville at 6:06 AM. All services require a transfer at Bellevue TC - Bay 7 and take an average of 2h 59m. The schedules shown below are for the next available departures.


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2h 57m • 2 changesWant to know about travelling from SeaTac to Marysville? 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 Marysville. However, there are services departing from SeaTac station and arriving at Marysville station via Bellevue TC - Bay 7. The journey, including transfers, takes approximately 2h 59m.
SeaTac to Marysville bus services, operated by Sound Transit, depart from SeaTac Station.
SeaTac to Marysville bus services, operated by Sound Transit, arrive at Lynnwood City Center Station Bay A5.
The distance between SeaTac and Marysville is 67.6 km. The road distance is 95 km.
You can take a bus from SeaTac Station to Cedar Ave & 5th St via Bellevue TC - Bay 7, Bellevue Transit Center Bay 4, Lynnwood City Center Station Bay A5, and Lynnwood City Center Station Bay D2 in around 2h 59m.