The average bus between West Seattle and Sumner takes 1h 40m and the fastest bus takes 1h 23m. There is an hourly bus service from West Seattle to Sumner. 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 West Seattle and Sumner. The earliest departure is at 4:44 AM at night, and the last departure from West Seattle is at 11:04 PM which arrives into Sumner at 12:41 AM. All services require a transfer at 3rd Ave & Pine St and take an average of 1h 40m. The schedules shown below are for the next available departures.

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1h 30m • 1 changeWant to know about travelling from West Seattle to Sumner? 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 West Seattle to Sumner. However, there are services departing from Stewart St & 3rd Ave station and arriving at Sumner Station - Bay 2 via Sumner Station - Bay 2. The journey, including transfers, takes approximately 1h 40m.
West Seattle to Sumner bus services, operated by Sound Transit, depart from Stewart St & 3rd Ave station.
West Seattle to Sumner bus services, operated by Sound Transit, arrive at Sumner Station - Bay 2.
The distance between West Seattle and Sumner is 42.2 km. The road distance is 51 km.
Sound Transit operates a bus from Stewart St & 3rd Ave to Sumner Station - Bay 2 hourly. Tickets cost $3 and the journey takes 1h 10m.