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

Next departures

Next departures for Ontario to Washington on October 2
Operated byVehicle typeDeparture timeDeparture locationTrip durationArrival timeArrival locationRecommendedPrice and booking link
Greyhound Lines, Inc. + FlixBus
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
Union StationNo tags

Last refresh of the prices: Today at 5:39 AM PDT.

Accepted payments

  • Visa
  • MasterCard
  • American Express
  • China Union Pay
  • Diners Club Canada
  • Discover Click to Pay
  • JCB payment
  • Klarna (Pay over time)
  • Google Pay

Compare 2 ways to go from Ontario to Washington.

Bus
Average Price$230 - $453Average Duration2d 22h
91kg CO₂e5 out of 5 stars
CheapestFastestMost eco-friendly
Train
Average Price$1,896 - $2,143Average Duration3d 11h
332kg CO₂e1 out of 5 stars
busbud logoBusbud recommends taking the bus from Ontario to Washington

Among the sustainable travel choices, the bus stands out as the good way to reach Washington. The journey takes about 2 days, 22 hours 5 minutes and with fares starting at just $230, it presents an excellent value for a comfortable ride.

18bus per day
2d 22hAverage Duration
$230Cheapest ticket
91kgCO₂ emissions

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

Average ticket price$253
Average bus trip duration2d 22h
Number of daily buses18
Earliest bus departure1:30am
Distance2258 miles (3641 km)
Latest bus departure9:05pm

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 for your trip Ontario, CA - Washington, DC, US

Find cheapest prices for buses

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

Best price found
09/29
No data
09/30
No data
Today
No data
10/02
$248
10/03
No data
10/04
No data
10/05
No data
10/06
No data
busbud logoThe cheapest trip from Ontario, CA to Washington, DC, US was searched and found on Oct 2, 2025 with a price of $248

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 $248 to $256 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 $248 which is on 2025-10-02.

About Bus Travel

Bus Travel Tips

Meet and talk to locals at the bus stations while traveling 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?

The Best Way To Book Bus and Train Tickets

Busbud.com makes it easy for you to find, compare and book city-to-city bus tickets, all over the world. We save you the extra trip to the bus station. With Busbud, wherever you go, you have a worldwide bus station within reach and available in your own language and currency. Busbud prides itself on its worldwide partnerships. We make it possible for you to buy tickets with its large network of trustworthy bus partners like Greyhound, Eurolines, ALSA, OUIBUS (BlaBlaBus), National Express and many others.

People from around the world trust Busbud

‌

Popular Buses Connecting Ontario

Buses Leaving from Ontario

Buses Going to Ontario

Popular Buses Connecting Washington

Buses Leaving from Washington

Buses Going to Washington