- Must visit
National Air and Space Museum
This world-class museum presents aviation and space history through iconic aircraft, spacecraft, and hands-on science exhibits.
Cheapest price
€612
Average price
€617
Fastest journey
2 d 17 h 31 m
Average duration
2 d 21 h 51 m
Buses per day
2
Distance
3641 km
The best way to find a cheap bus ticket from Ontario, CA to Washington, DC is to book your journey as far in advance as possible and to avoid traveling at rush hour.
The average ticket from Ontario, CA to Washington, DC will cost around €617 if you buy it on the day, but the cheapest tickets can be found for only €612.
It's difficult to get from Ontario, CA to Washington, DC without transferring at least 3 times.




Buses from Ontario, CA to Washington, DC run on average 10 times per day, taking around 70h 3m. Cheap bus tickets for this journey start at €186 but you can travel from only €186 by flight.
The earliest bus runs at 01:30, the last at 23:55. The fastest bus covers the 2262 miles (3641 km) distance in 61h 40m.
Distance 2262 miles (3641 km) |
Average bus duration 70h 3m |
Cheapest ticket price €186 |
Buses per day 10 |
Fastest bus 61h 40m |
First bus 1:30 AM |
Last bus 11:55 PM |
Cheapest Month Feb |
Cheapest Day Sat |
High Season Jan - Mar |
Low Season Apr - Jun |
Best time to book 4 days |
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator Omnitrans | Departure Time 08:09AM | Arrival Time 10:20AM | Duration 74h11 | Departure days Mon, Tue, Wed, Thu | Cheapest price €622 |
Operator Omnitrans | Departure Time 08:13AM | Arrival Time 10:20AM | Duration 74h07 | Departure days Sun | Cheapest price €622 |
Operator Omnitrans | Departure Time 01:14PM | Arrival Time 06:45AM | Duration 65h31 | Departure days Mon, Tue, Wed | Cheapest price €612 |
Operator Omnitrans | Departure Time 01:15PM | Arrival Time 06:45AM | Duration 65h30 | Departure days Sun | Cheapest price €612 |
Operator Omnitrans | Departure Time 07:14PM | Arrival Time 02:25AM | Duration 79h11 | Departure days Sun | Cheapest price €612 |
Operator Omnitrans | Departure Time 07:33PM | Arrival Time 02:25AM | Duration 78h52 | Departure days Sun | Cheapest price €614 |
Operator Omnitrans | Departure Time 08:21PM | Arrival Time 02:25AM | Duration 78h04 | Departure days Mon, Tue | Cheapest price €612 |
Operator Omnitrans | Departure Time 08:58PM | Arrival Time 02:25AM | Duration 77h27 | Departure days Mon, Tue | Cheapest price €614 |
Operator Greyhound | Departure Time 10:00PM | Arrival Time 12:45AM | Duration 74h45 | Departure days Sat | Cheapest price €186 |
The table below shows live departures for Ontario, CA to Washington, DC buses for today, Tuesday, August 4. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
![]() | 8:09 AM Ontario, CA | 74h11 | 10:20 AM Washington, DC | 3 transfers | |
![]() | 1:14 PM Ontario, CA | 65h31 | 6:45 AM Washington, DC | 3 transfers | |
![]() | 8:21 PM Ontario, CA | 78h04 | 2:25 AM Washington, DC | 3 transfers | |
![]() | 8:58 PM Ontario, CA | 77h27 | 2:25 AM Washington, DC | 4 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Discover the best of Washington, DC — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Washington, DC trip today.
This world-class museum presents aviation and space history through iconic aircraft, spacecraft, and hands-on science exhibits.
Housed in a Beaux-Arts building, this museum explores natural wonders with dinosaurs, gems, fossils, and global biodiversity.
A landmark museum documenting African American history and culture through powerful exhibitions, artifacts, and storytelling.
The National Mall is Washington's grand civic promenade, lined with museums, memorials, and classic views ideal for first-time visitors.
Georgetown charms with historic streets, rowhouses, waterfront paths, and independent shops that make it one of the city's best walking areas.
The Tidal Basin loop offers famous cherry blossoms, water views, and easy access to several of Washington's most iconic memorials.
Half-smoke sausage, usually smoked pork and beef, served on a bun with chili, mustard, and onions. It is DC's signature street food, strongly tied to Ben's Chili Bowl.
Jumbo slice is an oversized late-night pizza slice popular in Adams Morgan. It is a recognizable DC nightlife food known for its huge foldable portions.
Mumbo sauce is a sweet tangy red sauce commonly served with fried chicken and wings at DC carryouts. It is a beloved local condiment with roots in Black DC food culture.
Acclaimed fine-dining restaurant focused on Mid-Atlantic ingredients and refined tasting menus in an elegant, contemporary dining room.
Polished seafood institution at the municipal fish market, best known for regional oysters, crab cakes, and classic Chesapeake flavors.
Historic casual landmark famous for half-smokes, chili, and a classic diner feel. A must for trying DC's best-known street food tradition.
DC is pricier than many US cities. Hotels and dining run high in central areas, but Metro and many free museums help balance daily travel costs.
Tip 18-20% at restaurants, more for great service. Taxis usually 10-15%. Cafes: round up or add $1-2.
Find answers to the most common questions about traveling from Ontario, CA to Washington, DC by bus. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest bus, the cheapest option, or tips for making the most of your visit at Washington, DC, this guide helps you travel smarter and with confidence.

Most Ontario, CA to Washington, DC buses use the Montclair, Richton Street (Montclair Transcenter Paking) to Washington, Columbus Circle, Union Station station pair, with some services arriving at Bethesda, Waverly Street / Montgomery Ave. Use this guide to compare Ontario, CA and Washington, DC bus stations on this route, check city-centre transport, alongside checking practicalities like bus station facilities and services.
Washington, Columbus Circle, Union Station is 2 km from Washington city centre. Public transport options include:
Washington, Columbus Circle, Union Station has practical services for this route, including Wifi, Parking, Dining, ATM, Taxis, Accessibility, WC, and Ticket Office.
Food options include: McDonald's (in the station), Shake Shack (in the station)
Free Wi-Fi. ATMs are located near the main entrance and food court.
Ticket office support is available at Washington, Columbus Circle, Union Station.
Available at Washington, Columbus Circle, Union Station: Parking, Taxis, WC.
Accessibility facilities are available at Washington, Columbus Circle, Union Station: Elevators, ramps.
Here are some other resources that might have the information you need