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Cheap flights from Ottawa to Washington, D.C. from C$ 243

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 18/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ottawa to Washington, D.C.

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to Washington, D.C..

Cheap last-minute flights

Planning a quick getaway from Ottawa to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to Washington, D.C.

Find recent round-trip train or bus tickets from Ottawa to Washington, D.C..

All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
7:00 a.m. - 12:59 p.m.YOW-IAD
5h 59m1 stop
7:00 a.m. - 11:51 a.m.IAD-YOW
4h 51m1 stop
C$ 397Porter Airlines
Find Deal
Thu, 12 Dec - Sun, 15 Dec
9:40 a.m. - 12:59 p.m.YOW-IAD
3h 19m1 stop
2:00 p.m. - 8:29 p.m.IAD-YOW
6h 29m1 stop
C$ 425Porter Airlines
Find Deal
Fri, 13 Dec - Sun, 23 Feb
11:00 a.m. - 3:29 p.m.YOW-DCA
4h 29m1 stop
6:00 a.m. - 9:42 a.m.DCA-YOW
3h 42m1 stop
C$ 453Air Canada
Find Deal
Sat, 22 Mar - Fri, 28 Mar
4:05 p.m. - 11:54 p.m.YOW-BWI
7h 49m1 stop
12:20 p.m. - 8:09 p.m.BWI-YOW
7h 49m1 stop
C$ 456
Find Deal
Thu, 12 Dec - Mon, 16 Dec
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
10:35 a.m. - 3:12 p.m.IAD-YOW
4h 37m1 stop
C$ 460Air Canada
Find Deal
Thu, 20 Mar - Tue, 25 Mar
8:00 a.m. - 7:55 p.m.YOW-BWI
11h 55m2 stops
8:50 p.m. - 3:10 p.m.BWI-YOW
18h 20m2 stops
C$ 477
Find Deal
Thu, 9 Jan - Mon, 13 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
10:24 p.m. - 1:20 p.m.IAD-YOW
14h 56m2 stops
C$ 523United Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
5:00 p.m. - 7:06 p.m.YOW-DCA
26h 06m1 stop
6:59 a.m. - 1:23 p.m.DCA-YOW
6h 24m1 stop
C$ 584United Airlines
Find Deal
Tue, 28 Jan - Thu, 30 Jan
5:55 a.m. - 4:00 p.m.YOW-DCA
10h 05m2 stops
2:35 p.m. - 12:10 a.m.DCA-YOW
9h 35m2 stops
C$ 699WestJet
Find Deal
Tue, 7 Jan - Tue, 14 Jan
5:55 a.m. - 11:16 p.m.YOW-IAD
17h 21m2 stops
6:00 a.m. - 12:10 a.m.IAD-YOW
18h 10m2 stops
C$ 753WestJet
Find Deal
Mon, 20 Jan - Wed, 22 Jan
8:35 a.m. - 12:49 p.m.YOW-IAD
4h 14m1 stop
C$ 243Porter Airlines
Find Deal
Tue, 18 Feb
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
C$ 246Air Canada
Find Deal
Tue, 18 Feb
9:20 a.m. - 12:49 p.m.YOW-IAD
3h 29m1 stop
C$ 250Porter Airlines
Find Deal
Sat, 25 Jan
9:40 a.m. - 12:59 p.m.YOW-IAD
3h 19m1 stop
C$ 256Porter Airlines
Find Deal
Mon, 9 Dec
10:30 a.m. - 12:20 p.m.YOW-DCA
1h 50mdirect
C$ 338Air Canada
Find Deal
Wed, 4 Dec
5:55 a.m. - 12:00 p.m.YOW-DCA
30h 05m2 stops
C$ 365WestJet
Find Deal
Thu, 9 Jan
10:30 a.m. - 12:20 p.m.YOW-DCA
1h 50mdirect
C$ 375United Airlines
Find Deal
Mon, 9 Dec
5:55 a.m. - 4:13 p.m.YOW-DCA
10h 18m2 stops
C$ 386WestJet
Find Deal
Sat, 25 Jan
5:30 a.m. - 3:49 p.m.YOW-IAD
10h 19m2 stops
C$ 562United Airlines
Find Deal
Wed, 4 Dec
5:55 a.m. - 4:40 p.m.YOW-BWI
10h 45m2 stops
C$ 570Delta
Find Deal
Wed, 4 Dec
5:45 p.m. - 10:24 p.m.YOW-IAD
4h 39m1 stop
7:00 a.m. - 11:11 a.m.IAD-YOW
4h 11m1 stop
C$ 732Porter Airlines
Find Deal
Fri, 22 Nov - Mon, 2 Dec
2:05 p.m. - 3:55 p.m.YOW-IAD
1h 50mdirect
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 875Air Canada
Find Deal
Fri, 22 Nov - Mon, 2 Dec
6:00 a.m. - 11:50 a.m.YOW-IAD
5h 50m1 stop
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 911United Airlines
Find Deal
Fri, 22 Nov - Mon, 2 Dec
7:30 p.m. - 9:20 p.m.YOW-IAD
1h 50mdirect
10:16 p.m. - 10:31 a.m.IAD-YOW
12h 15m1 stop
C$ 977Air Canada
Find Deal
Fri, 22 Nov - Sat, 23 Nov
3:55 p.m. - 4:24 p.m.YOW-IAD
24h 29m2 stops
7:00 a.m. - 11:11 a.m.IAD-YOW
4h 11m1 stop
C$ 1,208
Find Deal
Fri, 22 Nov - Mon, 2 Dec
8:25 a.m. - 4:24 p.m.YOW-IAD
7h 59m1 stop
10:16 p.m. - 10:31 a.m.IAD-YOW
12h 15m1 stop
C$ 1,259Air Canada
Find Deal
Fri, 22 Nov - Sat, 23 Nov
9:45 a.m. - 11:43 a.m.YOW-IAD
1h 58mdirect
12:51 p.m. - 9:37 p.m.IAD-YOW
8h 46m2 stops
C$ 1,307United Airlines
Find Deal
Fri, 22 Nov - Sat, 23 Nov
6:00 a.m. - 11:50 a.m.YOW-IAD
5h 50m1 stop
8:20 a.m. - 9:37 p.m.IAD-YOW
13h 17m2 stops
C$ 1,336United Airlines
Find Deal
Fri, 22 Nov - Sat, 23 Nov
5:50 p.m. - 10:48 p.m.YOW-IAD
4h 58m1 stop
12:51 p.m. - 9:37 p.m.IAD-YOW
8h 46m2 stops
C$ 1,393United Airlines
Find Deal
Fri, 22 Nov - Sat, 23 Nov
5:55 a.m. - 4:43 p.m.YOW-IAD
10h 48m2 stops
12:15 p.m. - 12:10 a.m.IAD-YOW
11h 55m2 stops
C$ 2,577Delta
Find Deal
Fri, 22 Nov - Mon, 2 Dec
10:30 a.m. - 12:20 p.m.YOW-DCA
1h 50mdirect
12:55 p.m. - 2:35 p.m.DCA-YOW
1h 40mdirect
C$ 453Air Canada
Find Deal
Tue, 18 Mar - Wed, 26 Mar
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:15 p.m. - 6:54 p.m.IAD-YOW
1h 39mdirect
C$ 562Air Canada
Find Deal
Thu, 20 Mar - Tue, 25 Mar
10:30 a.m. - 12:20 p.m.YOW-DCA
1h 50mdirect
12:55 p.m. - 2:35 p.m.DCA-YOW
1h 40mdirect
C$ 573Air Canada
Find Deal
Tue, 18 Mar - Thu, 27 Mar
7:30 p.m. - 9:20 p.m.YOW-IAD
1h 50mdirect
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 587Air Canada
Find Deal
Thu, 12 Dec - Mon, 16 Dec
7:30 p.m. - 9:20 p.m.YOW-IAD
1h 50mdirect
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 593Air Canada
Find Deal
Wed, 18 Dec - Wed, 25 Dec
7:30 p.m. - 9:20 p.m.YOW-IAD
1h 50mdirect
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 616United Airlines
Find Deal
Thu, 12 Dec - Sun, 15 Dec
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 626United Airlines
Find Deal
Thu, 19 Dec - Thu, 26 Dec
7:30 p.m. - 9:20 p.m.YOW-IAD
1h 50mdirect
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 629Air Canada
Find Deal
Wed, 18 Dec - Tue, 31 Dec
10:30 a.m. - 12:20 p.m.YOW-DCA
1h 50mdirect
12:55 p.m. - 2:35 p.m.DCA-YOW
1h 40mdirect
C$ 653United Airlines
Find Deal
Fri, 13 Dec - Sun, 23 Feb
10:30 a.m. - 12:20 p.m.YOW-DCA
1h 50mdirect
12:55 p.m. - 2:35 p.m.DCA-YOW
1h 40mdirect
C$ 711
Find Deal
Sun, 9 Mar - Sat, 15 Mar

Porter Airlines flights from Ottawa to Washington, D.C.

Our best Porter Airlines deals on Ottawa to Washington, D.C. flight tickets
Porter Airlines
12 Dec
YOW7:00 a.m.Ottawa
5h 59m
1 stop
IAD12:59 p.m.Washington, D.C. Dulles Intl
15 Dec
IAD7:00 a.m.Washington, D.C. Dulles Intl
4h 51m
1 stop
YOW11:51 a.m.Ottawa
Porter Airlines
13 Dec
YOW9:40 a.m.Ottawa
3h 19m
1 stop
IAD12:59 p.m.Washington, D.C. Dulles Intl
23 Feb
IAD2:00 p.m.Washington, D.C. Dulles Intl
6h 29m
1 stop
YOW8:29 p.m.Ottawa
Porter Airlines
25 Jan
YOW7:00 a.m.Ottawa
5h 49m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
27 Jan
IAD2:10 p.m.Washington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 p.m.Ottawa

Air Canada flights from Ottawa to Washington, D.C.

Our best Air Canada deals on Ottawa to Washington, D.C. flight tickets
Air Canada
22 Mar
YOW11:00 a.m.Ottawa
4h 29m
1 stop
DCA3:29 p.m.Washington, D.C. Reagan-National
28 Mar
DCA6:00 a.m.Washington, D.C. Reagan-National
3h 42m
1 stop
YOW9:42 a.m.Ottawa
Air Canada
20 Mar
YOW2:05 p.m.Ottawa
1h 53m
IAD3:58 p.m.Washington, D.C. Dulles Intl
25 Mar
IAD10:35 a.m.Washington, D.C. Dulles Intl
4h 37m
1 stop
YOW3:12 p.m.Ottawa
Air Canada
13 Dec
YOW7:30 p.m.Ottawa
1h 50m
IAD9:20 p.m.Washington, D.C. Dulles Intl
23 Feb
IAD8:24 a.m.Washington, D.C. Dulles Intl
3h 54m
1 stop
YOW12:18 p.m.Ottawa

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly from Ottawa to Washington, D.C.?

February. The cheapest time of year to fly to Washington, D.C. from Ottawa is February. The most expensive is October.

What is the cheapest day to depart Ottawa for Washington, D.C.?

Wednesday. The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday

When is the cheapest time to fly from Ottawa to Washington, D.C.?

In the afternoon. Ottawa to Washington, D.C. flights are approximately 35% more expensive at noon than in the afternoon

What is the cheapest Ottawa to Washington, D.C. flight route?

Ottawa - Washington, D.C. Dulles Intl. Fly from Ottawa to Washington, D.C. Dulles Intl for the best Ottawa - Washington, D.C. flight prices

How far in advance should you book Ottawa to Washington, D.C. flights?

58 days before. The cheapest time to buy a flight from Ottawa to Washington, D.C. is approximately 58 days to departure

What cabin class options are available on Ottawa to Washington, D.C. flights?

There are 2 cabin classes available to choose from on Ottawa to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ottawa to Washington, D.C. flights?

You could potentially save up to 1% on your flight if you consider stops on a Ottawa to Washington, D.C. flight.

How have Ottawa to Washington, D.C. flight prices changed over time?

As of November 2024, prices for Ottawa to Washington, D.C. flights are approximately 18% more expensive when compared to flights at the same time last year.

What is the typical price of a round-trip flight between Ottawa and Washington, D.C.?


When to book flights from Ottawa to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ottawa to Washington, D.C. (YOW to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C.

Best price found

C$ 243

Fastest flight time

1h 35m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Ottawa in the past 72 hours is C$ 243. The best round-trip flight deal from Ottawa to Washington, D.C. found on momondo in the last 72 hours is C$ 397.
The fastest flight from Ottawa to Washington, D.C. takes 1h 35m
Direct flights go from Ottawa to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

  • How far is Ottawa to Washington, D.C. by plane?

    Washington, D.C. is 731.6 km away from Ottawa. A reasonable flight in good conditions will take 1h 35m.

  • When did momondo last update prices for flights from Ottawa Airport to Washington, D.C.?

    Prices for flights from Ottawa Airport to Washington, D.C. are updated daily.

  • How many operators does momondo search for flights from Ottawa Airport to Washington, D.C.?

  • How old do you have to be to fly from Ottawa Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Ottawa to Washington, D.C.?

  • What is the most popular airline from Ottawa to Washington, D.C.?


Best airlines flying from Ottawa to Washington, D.C.

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 209Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 331Free CancellationRating
7.0
8,238 reviews
Search Air Canada flights
Porter AirlinesPriceFrom C$ 354Free CancellationRating
7.8
286 reviews
Search Porter Airlines flights
  • United Airlines Flights From Ottawa to Washington, D.C.

    United Airlines flies from Ottawa to Washington, D.C. around 27 times per week, with 9,172 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Ottawa to Washington, D.C. in the last 72 hours was C$ 150 (round-trip), much lower than the average airfare cost of C$ 534 for United Airlines flights on this route.

  • Air Canada Flights From Ottawa to Washington, D.C.

    Another popular option for Ottawa to Washington, D.C. flights is Air Canada (7.0/10, 8,238 ratings). Air Canada flies from Ottawa to Washington, D.C. around 22 times per week, with deals starting from C$ 237 round-trip and rising to an average price of around C$ 457.


Why use momondo?

Why should I use momondo to find a flight deal from Ottawa to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Ottawa to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ottawa to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Ottawa to Washington, D.C.?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ottawa.

I’m not ready to book a flight from Ottawa to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ottawa to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.