The average bus between Ontario and Seattle takes 28h 22m and the fastest bus takes 27h 33m. The bus service runs several times per day from Ontario to Seattle. 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 twice daily between Ontario and Seattle. The earliest departure is at 8:06 AM in the morning, and the last departure from Ontario is at 9:37 PM which arrives into Seattle at 1:10 AM. All services require a transfer at Pomona Transit Center and take an average of 28h 22m. The schedules shown below are for the next available departures.
Arrives next day




28h 40m • 4 changes
Arrives +2 days




27h 38m • 4 changes
Arrives next day




28h 40m • 4 changes
Arrives +2 days




27h 38m • 4 changes
Arrives next day




28h 40m • 4 changes
Arrives +2 days




27h 38m • 4 changes
Arrives next day




28h 40m • 4 changes
Arrives +2 days




27h 38m • 4 changes
Want to know about travelling from Ontario to Seattle? 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 Ontario to Seattle. However, there are services departing from Ontario station and arriving at Seattle station via Cal State LA W. The journey, including transfers, takes approximately 28h 22m.
Ontario to Seattle bus services, operated by Omnitrans, depart from Pomona Transit Center station.
Ontario to Seattle bus services, operated by Omnitrans, arrive at Seattle Bus Station.
The distance between Ontario and Seattle is 1,555.8 km. The road distance is 1,934 km.
You can take a bus from Holt @ Lemon to Seattle Bus Station via Pomona Transit Center, Cal State LA W, Cal State La Transit Center, Cesar E Chavez / Vignes, Los Angeles Union Station, and Sacramento Bus Station in around 28h 51m.