- Must visit
Smithsonian National Museum of Natural History
One of the world’s most visited natural history museums, known for dinosaur fossils, the Hope Diamond, and broad family-friendly exhibits.
Cheapest price
$113
Average price
$113
Fastest journey
1 d 2 h 10 m
Average duration
1 d 2 h 10 m
Buses per day
1
Distance
733 km
The best way to find a cheap bus ticket from Ottawa, ON 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 Ottawa, ON to Washington, DC will cost around $113 if you buy it on the day, but the cheapest tickets can be found for only $113.
Of the 1 buses that leave Ottawa, ON for Washington, DC on Mon, Jul 13, 1 travel direct so it’s quite easy to avoid journeys where you’ll have to change along the way.
On Mon, Jul 13 the direct buses cover the 733 km distance in an average of 1 d 2 h 10 m but if you time it right, some buses will get you there in just 1 d 2 h 10 m .
On Mon, Jul 13 the slowest buses will take 1 d 2 h 10 m and usually involve a change or two along the way, but you might be able to save a few pennies if you’re on a budget.


Omio recommends booking the flight as it is the most popular option from Ottawa, ON to Washington, DC among Omio's users. If you are prioritising price take the bus with prices starting from $97. For those with little time consider booking a flight which can get you there in 2h 27m. The ticket price range depends on the travel mode: a bus costs an average of $97, and a train costs an average of $512.
Distance: 455 miles (733 km)
| Bus | Most popular Flight | Train | Driving |
|---|---|---|---|
$138 Average price Cheapest | $408 Average price | $512 Average price | $141 Average price (fuel + tolls) |
23h 15m Average total duration 22h 45m Onboard + 30m Additional time* | 5h 27m Average total duration Fastest 2h 27m Onboard + 3h 0m Additional time* | 24h 42m Average total duration 24h 12m Onboard + 30m Additional time* | 9h 2m Average total duration (door-to-door) |
Direct Options | Direct Options | Direct Options | Direct Options |
This is compared to other travel options from Ottawa, ON to Washington, DC:
A bus is $270 (€222) less than a flight for this route with tickets for a flight from Ottawa, ON to Washington, DC costing on average $408 (€336).
A bus is $373 (€307) less than a train for this route with tickets for a train from Ottawa, ON to Washington, DC costing on average $512 (€421).
Other travel options to Washington, DC take longer:
Bus takes on average 22h 45m.
Train takes on average 24h 12m.
You'll arrive about {timeSavings} sooner ({durationInMinutes} by bus vs {drivingDurationInMinutes} by car) and save roughly {savingsAmount} compared to fuel and tolls ({cheapestPrice} vs {drivingPriceInCents}). You also skip the drive itself — no traffic stress, no parking, and you can use the time to work, nap, or catch up on a series with the onboard Wi-Fi.
Direct coaches are operated by {directProviders}.
Driving is still worth considering if you're travelling with bulky luggage, need flexibility on departure times, or plan to stop along the way.
| Operator | Departure Time | Arrival Time | Duration | Departure days | Cheapest price |
|---|---|---|---|---|---|
Operator FlixBus | Departure Time 04:40AM | Arrival Time 04:45AM | Duration 24h05 | Departure days Thu | Cheapest price $214 |
Operator FlixBus | Departure Time 07:40AM | Arrival Time 11:35AM | Duration 27h55 | Departure days Sun | Cheapest price $170 |
Operator Greyhound | Departure Time 10:00AM | Arrival Time 12:10PM | Duration 26h10 | Departure days Mon, Thu | Cheapest price $97 |
Operator FlixBus | Departure Time 11:40AM | Arrival Time 12:50PM | Duration 25h10 | Departure days Sun | Cheapest price $167 |
Operator FlixBus | Departure Time 01:45PM | Arrival Time 06:50AM | Duration 17h05 | Departure days Sun | Cheapest price $229 |
Operator FlixBus | Departure Time 02:10PM | Arrival Time 06:50AM | Duration 16h40 | Departure days Sun | Cheapest price $232 |
Operator FlixBus | Departure Time 03:30PM | Arrival Time 02:20PM | Duration 22h50 | Departure days Sun | Cheapest price $205 |
Operator FlixBus | Departure Time 03:40PM | Arrival Time 04:50PM | Duration 25h10 | Departure days Tue, Sat | Cheapest price $108 |
Operator FlixBus | Departure Time 04:30PM | Arrival Time 04:50PM | Duration 24h20 | Departure days Fri, Sun | Cheapest price $122 |
Operator FlixBus | Departure Time 05:05PM | Arrival Time 05:15PM | Duration 24h10 | Departure days Sun | Cheapest price $179 |
Operator FlixBus | Departure Time 06:30PM | Arrival Time 05:35PM | Duration 23h05 | Departure days Thu | Cheapest price $103 |
Operator FlixBus | Departure Time 08:10PM | Arrival Time 12:45AM | Duration 28h35 | Departure days Sun | Cheapest price $166 |
Operator FlixBus | Departure Time 08:30PM | Arrival Time 07:25PM | Duration 22h55 | Departure days Tue | Cheapest price $202 |
Operator FlixBus | Departure Time 10:40PM | Arrival Time 06:00AM | Duration 31h20 | Departure days Sun | Cheapest price $234 |
The table below shows live departures for Ottawa, ON to Washington, DC buses for today, Sunday, July 12. You can also manually refresh the results below to see updated bus journeys.
| Provider | Departs | Duration | Arrives | Transfers | Tickets |
|---|---|---|---|---|---|
FlixBus+ · | 7:40 AM Ottawa, Gloucester Centre, ON | 27h55 | 11:35 AM Washington, Columbus Circle, Union Station | 2 transfers | |
FlixBus · FlixBus · FlixBus · FlixBus | 11:40 AM Ottawa, Gloucester Centre, ON | 25h10 | 12:50 PM Washington, Columbus Circle, Union Station | 3 transfers | |
FlixBus+![]() | 1:45 PM Ottawa, VIA Rail, ON | 17h05 | 6:50 AM Washington, Columbus Circle, Union Station | 1 transfer | |
FlixBus+![]() | 2:10 PM Ottawa, Hudson's Bay (Bayshore Shopping Centre), ON | 16h40 | 6:50 AM Washington, Columbus Circle, Union Station | 1 transfer | |
FlixBus · FlixBus · FlixBus | 3:30 PM Ottawa, VIA Rail, ON | 22h50 | 2:20 PM Washington, Columbus Circle, Union Station | 2 transfers | |
FlixBus · FlixBus+ · | 4:30 PM Ottawa, VIA Rail, ON | 24h45 | 5:15 PM Washington, Columbus Circle, Union Station | 3 transfers | |
FlixBus · FlixBus+ · | 5:05 PM Ottawa, Hudson's Bay (Bayshore Shopping Centre), ON | 24h10 | 5:15 PM Washington, Columbus Circle, Union Station | 3 transfers | |
FlixBus+ · | 8:10 PM Ottawa, Gloucester Centre, ON | 28h35 | 12:45 AM Washington, Columbus Circle, Union Station | 2 transfers | |
FlixBus · FlixBus · FlixBus · FlixBus | 10:40 PM Ottawa, Gloucester Centre, ON | 31h20 | 6:00 AM Washington, Columbus Circle, Union Station | 3 transfers | |
This is the last bus of the day. | |||||
Find all the dates and times for this journey
Compare train, bus, and flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
Buses from Ottawa, ON to Washington, DC run on average 8 times per day, taking around 22h 45m. Cheap bus tickets for this journey start at $97 (€80) if you book in advance.
The earliest bus runs at 00:25, the last at 23:55. The fastest bus covers the 455 miles (733 km) distance in 22h 55m.
Distance 455 miles (733 km) |
Average bus duration 22h 45m |
Cheapest ticket price $97 (€80) |
Buses per day 8 |
Fastest bus 22h 55m |
First bus 12:25 AM |
Last bus 11:55 PM |
Cheapest Month Sep |
Cheapest Day Tue |
High Season Jul - Sep |
Low Season Jan - Mar |
Best time to book 7 days |
Discover the best of Washington — top attractions, local food, transport tips, budget advice, and currency essentials. Plan your perfect Washington trip today.
One of the world’s most visited natural history museums, known for dinosaur fossils, the Hope Diamond, and broad family-friendly exhibits.
Flagship Smithsonian museum covering aviation and spaceflight, with iconic aircraft, spacecraft, and major interactive exhibits.
Premier art museum with strong collections from the Middle Ages to modern art, plus sculpture garden and rotating exhibitions.
The city’s grand ceremonial park lined with Smithsonian museums, memorials, and iconic government buildings.
Historic neighborhood of cobblestone streets, waterfront walks, rowhouses, and some of Washington’s most photogenic corners.
Scenic waterside loop famous for cherry blossoms and views of major memorials, especially popular for sunrise and spring visits.
Washington’s signature sausage, usually smoky and spicy, served on a bun with chili, mustard, and onions. It is one of the city’s most iconic street foods.
A sweet-tangy sauce closely associated with Washington carryout culture, often paired with fried chicken wings and fries. It is a local comfort-food staple.
Steamed or picked blue crab from the nearby Chesapeake region is deeply tied to local food traditions. It is especially popular in warmer months.
Celebrated upscale restaurant with creative small plates and a warm, energetic atmosphere. It is one of Washington’s best-known modern dining destinations.
A classic, long-running Washington institution known for oysters, crab cakes, and traditional American fare in an elegant historic atmosphere.
Bustling brasserie known for polished French classics, strong brunch, and a stylish dining room that is popular with both locals and visitors.
Prices are high for hotels and dining, especially downtown. Free museums help balance daily costs.
Tip 18-20% at restaurants. USD 1-2 per drink at bars, round up taxis, and tip hotel staff USD 2-5.
Official public transport app
L'Enfant Plaza, Washington, DC -> Metro Center, Washington, DC
Find answers to the most common questions about traveling from Ottawa, ON 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 Ottawa, ON to Washington, DC buses use the to Washington, Columbus Circle, Union Station station pair, with some services arriving at Washington, DuPont Circle (Connecticut Ave. NW / 20th St. NW). Use this guide to compare Ottawa, ON 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