Bus Tickets from Ontario, CA to Washington, DC, US

Next departures

Next departures for Ontario to Washington on October 23
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc.
Montclair / Ontario / Claremont
Union StationCheapestFastest
FlixBus + Greyhound Lines, Inc.
Montclair (Ontario)
Union StationNo tags
Greyhound Lines, Inc.
Montclair / Ontario / Claremont
Union StationNo tags
FlixBus + Greyhound Lines, Inc.
Montclair (Ontario)
Union StationNo tags
Greyhound Lines, Inc.
Montclair / Ontario / Claremont
Hyattsville New Carrollton Bus StopNo tags

Last refresh of the prices: Today at 11:13 AM PDT.

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Compare 2 ways to go from Ontario to Washington

busbud logoWe recommend taking the bus

Among the sustainable travel choices, the bus stands out as a good way to reach Washington. The journey takes about 2 days, 19 hours 20 minutes, and with fares starting at just US$230, it presents an excellent value for a comfortable ride.

15bus per day
2d 19hAverage Duration
3643 kmDistance
91kgCO₂ emissions
Bus
Average PriceUS$230 - US$466Average Duration2d 19h
91kg CO₂e
Train
Average PriceUS$532 - US$624Average Duration3d 11h
332kg CO₂e

Bus Ontario, CA to Washington, DC, US: Trip Overview

Average Ticket PriceUS$256
Average Bus Trip Duration2d 19h
Number of daily buses15
Earliest bus departure1:30am
Distance3643 km
Latest bus departure6:55pm

Ontario to Washington Bus

With Busbud, comparing and booking tickets for a bus from Ontario to Washington is a breeze. Browse through an extensive selection of bus fares and bus schedules to find the best deals.

We make it our job to connect you with the most dependable bus companies that cover bus service from Ontario to Washington.

Whether it is cheap bus tickets or more luxurious buses going to Washington from Ontario, we help you find what you're looking for based on how much of a budget you have.

Frequently asked questions on the trip Ontario, CA - Washington, DC, US

  1. What is the distance between Ontario and Washington?

    The distance between Ontario and Washington is approximately 3645 km (2260 miles).

  2. What are the departure and arrival locations for buses traveling from Ontario to Washington?

    Buses departing from Ontario California Bus Stop Carl's Jr & Teriyaki House in Ontario will take you to Union Station in Washington.

Find cheapest prices for buses

Price is for a one-way ticket for one passenger and based on past searches.

Best price found
10-20
No data
10-21
US$225
Today
No data
10-23
US$222
10-24
No data
10-25
No data
10-26
No data
10-27
No data
busbud logoThe cheapest trip from Ontario, CA to Washington, DC, US was searched and found on Oct 23, 2025 with a price of US$222

To save money and be sure you have the best seat, it's a good idea to buy your bus tickets from Ontario, CA to Washington, DC, US, as early as possible.

You can expect to pay from US$222 to US$234 for a bus ticket from Ontario, CA to Washington, DC, US based on the last 2 days. You can expect to find the cheapest price for the trip at US$222 which is on 2025-10-23.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while travelling from Ontario to Washington.There is no better way to get inside travel information while exploring a new city than to go straight to its people.

From miles long of beauteous natural landscapes to impressive man-crafted sights, you’re bound to be in for a visual treat on your bus trip from Ontario to Washington.

Buses are energy-efficient. Carrying a passenger over 100 kms by coach only takes 0.6-0.9 liters of gas. Compare that to the 2.6 liters required by high-speed train, 6.6 liters by airplane and 7.6 liters by gas-powered car, and it's clear that the bus is a more environmentally-conscious option for your bus transportation from Ontario to Washington.

Create your own real life musical score by curating a personalized bus travel playlist - the perfect accompaniment to your bus ride from Ontario to Washington.

Did you know?

The bus driver with the longest career in the world drove more than 2,000,000 miles and is a happy World Record holder.

The Superbus, created by a Dutch engineer is the world's fastest bus with 250 km/h. Too bad it's only a prototype for now.

9.2% of ground transportation in Europe is done by bus versus 7.4% by train.

What's the cheapest way to go from Ontario, CA to Washington, DC, US?

busbud logoThe bus is the cheapest travel choice for this destination

Will you be returning to Ontario, CA by bus?

Bus from Washington, DC, US to Ontario, CA

You can also go to Washington, DC, US by train

Train from Ontario, CA to Washington, DC, US

Why choose Busbud?

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