The average bus between SeaTac and Sumas takes 10h 28m and the fastest bus takes 6h 59m. There is at least one bus per day from SeaTac to Sumas. 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 once daily between SeaTac and Sumas. The earliest departure is at 4:26 AM at night, and the last departure from SeaTac is at 5:26 AM which arrives into Sumas at 7:42 AM. All services require a transfer at Bus Wy & Royal Brougham St and take an average of 10h 28m. The schedules shown below are for the next available departures.
Want to know about travelling from SeaTac to Sumas? 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 Sumas. However, there are services departing from SeaTac station and arriving at Sumas station via Bellingham Bus Stop. The journey, including transfers, takes approximately 10h 28m.
SeaTac to Sumas bus services, operated by Sound Transit, depart from Seattle Bus Station.
SeaTac to Sumas bus services, operated by Sound Transit, arrive at Cherry St at 1st St station.
The distance between SeaTac and Sumas is 172.5 km. The road distance is 213 km.
You can take a bus from SeaTac Station to Cherry St at 1st St via Bus Wy & Royal Brougham St, Seattle Bus Station, Bellingham Bus Stop, Fairhaven Transportation Center, Bellingham Station, and Cordata Station in around 5h 53m.
