Next bus departures
| Operated by | Vehicle type | Departure time | Departure location | Trip duration | Arrival time | Arrival location | Recommended | Price and booking link |
|---|---|---|---|---|---|---|---|---|
Greyhound Lines, Inc. + FlixBus | Bus | Union Station | Montclair (Ontario) | Cheapest | ||||
 | Bus | Union Station | Montclair / Ontario / Claremont | Fastest |
Last refresh of the prices: Yesterday at 8:40 AM EST.
Compare 2 ways to go from Washington to Ontario
Among the sustainable travel choices, the bus stands out as a good way to reach Ontario. The journey takes about 3 days, 2 hours 55 minutes, and with fares starting at just $324, it presents an excellent value for a comfortable ride.
Where are the popular stops in Washington and Ontario?
Stops in Washington
- A6 Union Station Dr NE, Washington, DC 20002, USA
- B1500 20th St NW, Washington, DC 20036, USA
- C663 11th St NW, Washington, D.C., DC 20004, USA
- D
L’Enfant Plaza
In front of McDonald's, 400 C St SW, Washington, DC 20024, USA - E
10th Street NW
Charter bus loading zone in front of Madame Tussaud's, 610 10th St NW, Washington, DC 20001, USA - F
Foggy Bottom
1905 G St NW, Washington, DC 20431, 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
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Frequently asked questions about travelling from Washington, DC, US 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 Washington to Ontario?
The cheapest bus tickets from Washington to Ontario start from $324. The average price for this route is around $526. 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 Washington to Ontario?
The average bus travel time from Washington to Ontario is 3d 2h, covering a distance of 3641 km. The quickest bus can get you there in 2d 12h and is operated by Greyhound.
Which bus companies service the Washington to Ontario route?
What are the earliest and latest departure times for the bus from Washington to Ontario?
The earliest bus departs from Washington to Ontario at 5:00am. And the latest bus departs at 10:45pm.
What are the CO₂ emissions for the bus trip from Washington to Ontario?
A bus trip from Washington to Ontario generates an estimated 91 kg of CO₂, making it a highly eco-friendly travel option and a mode of travel recommended by Busbud.
What is the best bus company from Washington to Ontario?
According to Busbud customers, the highest-rated bus company on this route is Greyhound, with an average rating of 3.5 out of 5 stars based on 87412 reviews.
Which bus company has the best Wi-Fi from Washington to Ontario?
Based on Busbud reviews, the bus company FlixBus has the highest Wi-Fi rating with a score of 2.7.
Which bus company has the best on-time performance from Washington to Ontario?
According to Busbud traveller reviews, the most punctual bus company on this route is FlixBus, with a punctuality rating of 3.9 out of 5 stars.
Which bus company has the cleanest buses from Washington to Ontario?
According to Busbud traveller reviews, the bus company with the cleanest buses on this route is FlixBus, with a cleanliness rating of 4.1 out of 5 stars.
Find cheapest prices for buses
Price is for a one-way ticket for one passenger and based on past searches.
The cheapest trip from Washington, DC, US to Ontario, CA was searched and found on Dec 7, 2025 with a price of $319To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Washington, DC, US to Ontario, CA, as early as possible.
What's the cheapest way to go from Washington, DC, US to Ontario, CA?
The bus is the cheapest travel choice for this destination
