Previously seen trips
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
FlixBus + Greyhound | Bus | Greyhound Station | Montclair (Ontario) | No tags | ||||
Greyhound + FlixBus | Bus | Greyhound Station | Montclair (Ontario) | No tags | ||||
Greyhound + FlixBus | Bus | Seattle–Tacoma Int'l Airport (SEA) | Montclair (Ontario) | No tags | ||||
Greyhound + FlixBus | Bus | Seattle–Tacoma Int'l Airport (SEA) | Montclair / Ontario / Claremont | No tags | ||||
Greyhound + FlixBus | Bus | Seattle–Tacoma Int'l Airport (SEA) | Montclair Transcenter (Ontario / Montclair / Claremont) | No tags |
Compare 2 ways to go from Seattle to Ontario
Among the sustainable travel choices, the bus stands out as a good way to reach Ontario. The journey takes about 1 day, 9 hours 40 minutes, and with fares starting at just $164, it presents an excellent value for a comfortable ride.
Where are the popular stops in Seattle and Ontario?
Stops in Seattle
- A503 S Royal Brougham Way, Seattle, WA 98134, USA
- C
Washington State Convention Center
705 Pike St, Seattle WA 98101, USA, , Pick-up is at the Charter Bus Loading Zone on 8th Avenue at the corner of 8th Ave. and Pike Street. - D2001 W Garfield St, Seattle WA 98119, USA
- E
Pier 66
2203 Alaskan Way, Seattle WA 98121, USA - F
International District
700-822 5th Ave S, Seattle, WA 98104, USA
Stops in Ontario
- A
Ontario California Bus Stop Carl's Jr & Teriyaki House
1625 E 4th St, Ontario, CA 91764, USA - B
Ontario Tufesa Bus Stop
1739 S Euclid Ave, Ontario, CA 91762, USA
Compare bus companies
Based on 87419 reviews, the company was rated 3.5 stars on Busbud. Travellers were especially satisfied with the ticket access and the temperature but often complained with the WiFi. Greyhound ticket prices on this trip start at $164
Frequently asked questions about travelling from Seattle to Ontario, CA by bus
Please note that schedules, routes, or operator details shown here may be updated or vary at the time of your trip.
How much is the bus ticket from Seattle to Ontario?
The cheapest bus tickets from Seattle to Ontario start from $164. The average price for this route is around $260. Busbud recommends that you book your tickets in advance for a better chance to get the lowest possible price.
How long is the bus ride from Seattle to Ontario?
The average bus travel time from Seattle to Ontario is 1d 9h, covering a distance of 1558 km. The quickest bus can get you there in 1d 2h and is operated by Greyhound.
Which bus companies service the Seattle to Ontario route?
Several major bus companies operate on this route with 5 buses available per day.
What are the earliest and latest departure times for the bus from Seattle to Ontario?
The earliest bus departs from Seattle to Ontario at 2:45pm. And the latest bus departs at 10:50pm.
What are the CO₂ emissions for the bus trip from Seattle to Ontario?
A bus trip from Seattle to Ontario generates an estimated 39 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Seattle to Ontario, CA was searched and found on Dec 5, 2025 with a price of $247To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Seattle to Ontario, CA, as early as possible.
You can expect to pay from $247 to $256 for a bus ticket from Seattle to Ontario, CA based on the last 2 days. You can expect to find the cheapest price for the trip at $256 which is on 2025-12-08.
What's the cheapest way to go from Seattle to Ontario, CA?
The bus is the cheapest travel choice for this destination
