Find coaches from Ontario, CA to Washington, DC, US

Next departures

Next departures from Ontario to Washington on 1 November
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)
          Dupont CircleNo tags
          Greyhound Lines, Inc.
            Montclair / Ontario / Claremont
            Union StationNo tags

            Last refresh of the prices: Last Wednesday at 5:09 PM PDT.

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            Compare 2 ways to travel from Ontario to Washington

            We 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.

            14bus per day
            2d 19hAverage duration
            3647 kmDistance
            91kgCO₂ emissions
            Average priceUS$230 - US$466Average duration2d 19h
            91kg CO₂e
            Average priceUS$381 - US$774Average duration3d 12h
            332kg CO₂e

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

            Average ticket priceUS$256
            Average bus trip duration2d 19h
            Number of daily buses14
            Earliest bus departure01:30
            Distance3646 km
            Latest bus departure18:55

            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. How much does a bus ticket from Ontario to Washington cost?

              The bus ticket price from Ontario to Washington starts at US$230. The best way to find cheap bus tickets from Ontario to Washington is to book your tickets as early as possible. Prices tend to rise as your travel date approaches, so book in advance to secure the best prices!

            2. How long is the bus ride from Ontario to Washington?

              The average travel time between Ontario and Washington is around 2d 19h, although the fastest bus will take about 2d 13h. This is the time it takes to travel the 3645 km that separates the two cities.

            3. How many daily bus connections are there between Ontario and Washington?

              The number of buses from Ontario to Washington can differ depending on the day of the week. On average, there are 14 on this route. Some buses run direct routes, while others have layovers. Simplify your bus trip from Ontario to Washington by comparing and selecting the bus that fits your travel style and budget on Busbud.

            4. Which bus companies travel from Ontario to Washington?

              When taking the bus from Ontario to Washington, you can travel comfortably and safely with Greyhound, FlixBus.

            5. What are the departure and arrival stations when taking the bus from Ontario to Washington?

              Buses travelling between Ontario and Washington leave from Ontario California Bus Stop Carl's Jr & Teriyaki House or Ontario Tufesa Bus Stop and arrive at Dupont Circle, Union Station, Metro Center Station.

            Find cheapest prices for buses

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

            Best price found
            30/10
            US$230
            31/10
            US$228
            Today
            US$228
            02/11
            No data
            03/11
            No data
            04/11
            No data
            05/11
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            06/11
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            busbud logoThe cheapest trip from Ontario, CA to Washington, DC, US was searched and found on 31 Oct 2025 with a price of US$228

            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.

            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

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