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 the good way to reach Ontario. The journey takes about 1 day, 9 hours 40 minutes and with fares starting at just $116, 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
Greyhound Lines offers the most comprehensive intercity bus services in the United States. They operate a modern, environmentally friendly fleet that serves more than 2400 destinations and carries nearly 16 million passengers annually. When traveling with them, you can expect free WiFi, onboard entertainment, bathrooms, power outlets and decent legroom. One of the great perks of Greyhound is that they connect big cities and smaller towns in the US, where you usually can't get to by train or plane. If you're looking for safe and affordable transportation, Greyhound is a great choice.
Frequently asked questions about traveling 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 $116. The average price for this route is around $184. 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 trip duration from Seattle to Ontario is 1d 9h, covering a distance of 966 miles (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 train operators operate on this route with 5 trains available per day.
What is the earliest and latest departure time 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 recommended mode of travel 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 $174To 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 $174 to $181 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 $181 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
