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Cheap flights from Ottawa to Washington, D.C. from C$ 259

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 21/1. 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

Enter your travel dates to find the best prices.
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
C$ 443Air Canada
Tue, 13 Jan - Tue, 20 Jan
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
C$ 447Air Canada
Mon, 12 Jan - Wed, 14 Jan
Air Canada Logo
5:45 a.m. - 10:21 a.m.
YOW
-
DCA
4h 36m1 stop
Air Canada Logo
6:00 a.m. - 9:42 a.m.
DCA
-
YOW
3h 42m1 stop
C$ 452Air Canada
Tue, 13 Jan - Tue, 20 Jan
Air Canada Logo
12:00 p.m. - 6:05 p.m.
YOW
-
DCA
6h 05m1 stop
Air Canada Logo
6:00 a.m. - 9:42 a.m.
DCA
-
YOW
3h 42m1 stop
C$ 454Air Canada
Thu, 8 Jan - Sun, 11 Jan
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
Air Canada Logo
6:00 a.m. - 9:42 a.m.
DCA
-
YOW
3h 42m1 stop
C$ 460Air Canada
Mon, 12 Jan - Wed, 14 Jan
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
C$ 461Air Canada
Thu, 29 Jan - Thu, 5 Feb
Air Canada Logo
2:05 p.m. - 7:45 p.m.
YOW
-
DCA
5h 40m1 stop
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
C$ 464Air Canada
Mon, 26 Jan - Fri, 6 Feb
Air Canada Logo
12:00 p.m. - 6:05 p.m.
YOW
-
DCA
6h 05m1 stop
Air Canada Logo
8:40 p.m. - 1:38 a.m.
DCA
-
YOW
4h 58m1 stop
C$ 468Air Canada
Fri, 16 Jan - Fri, 16 Jan
Air Canada Logo
10:45 a.m. - 3:31 p.m.
YOW
-
DCA
4h 46m1 stop
Air Canada Logo
4:10 p.m. - 10:18 p.m.
DCA
-
YOW
6h 08m1 stop
C$ 471Air Canada
Fri, 9 Jan - Sat, 10 Jan
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
C$ 474Air Canada
Tue, 3 Feb - Mon, 9 Feb

American Airlines flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets
American Airlines
12 Jan
YOW6:45 a.m.Ottawa
6h 04m
1 stop
DCA12:49 p.m.Washington, D.C. Reagan-National
19 Jan
DCA10:12 a.m.Washington, D.C. Reagan-National
6h 41m
1 stop
YOW4:53 p.m.Ottawa
C$ 608
Find similar
American Airlines
9 Jan
YOW6:45 a.m.Ottawa
16h 49m
2 stops
DCA11:34 p.m.Washington, D.C. Reagan-National
10 Jan
DCA10:12 a.m.Washington, D.C. Reagan-National
6h 41m
1 stop
YOW4:53 p.m.Ottawa
C$ 617
Find similar
American Airlines
26 Jan
YOW6:45 a.m.Ottawa
11h 02m
2 stops
DCA5:47 p.m.Washington, D.C. Reagan-National
5 Feb
DCA10:12 a.m.Washington, D.C. Reagan-National
6h 41m
1 stop
YOW4:53 p.m.Ottawa
C$ 622
Find similar

WestJet flights from Ottawa to Washington, D.C. Reagan-National Airport

Our best WestJet deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets
WestJet
3 Feb
YOW5:40 a.m.Ottawa
17h 17m
2 stops
DCA10:57 p.m.Washington, D.C. Reagan-National
9 Feb
DCA1:45 p.m.Washington, D.C. Reagan-National
10h 54m
2 stops
YOW12:39 a.m.Ottawa
C$ 735
Find similar
WestJet
11 Jan
YOW5:40 a.m.Ottawa
13h 10m
2 stops
DCA6:50 p.m.Washington, D.C. Reagan-National
18 Jan
DCA11:00 a.m.Washington, D.C. Reagan-National
13h 42m
2 stops
YOW12:42 a.m.Ottawa
C$ 778
Find similar
WestJet
26 Jan
YOW5:40 a.m.Ottawa
13h 17m
2 stops
DCA6:57 p.m.Washington, D.C. Reagan-National
5 Feb
DCA9:54 a.m.Washington, D.C. Reagan-National
14h 45m
2 stops
YOW12:39 a.m.Ottawa
C$ 785
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Ottawa to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 16 December 2025.
Use the filters below to find and compare flights from Ottawa to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 13/1

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Tue 20/1

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 443

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 12/1

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Wed 14/1

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 447

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 13/1

5:45 a.m.-10:21 a.m.

1 stop4h 36m

Washington, D.C. Reagan-National

Tue 20/1

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 452

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 8/1

12:00 p.m.-6:05 p.m.

1 stop6h 05m

Washington, D.C. Reagan-National

Sun 11/1

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 454

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 12/1

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Wed 14/1

6:00 a.m.-9:42 a.m.

1 stop3h 42m

C$ 460

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 29/1

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Thu 5/2

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 461

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Mon 26/1

2:05 p.m.-7:45 p.m.

1 stop5h 40m

Washington, D.C. Reagan-National

Fri 6/2

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 464

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 16/1

12:00 p.m.-6:05 p.m.

1 stop6h 05m

Washington, D.C. Reagan-National

Fri 16/1

8:40 p.m.-1:38 a.m.

1 stop4h 58m

C$ 468

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 9/1

10:45 a.m.-3:31 p.m.

1 stop4h 46m

Washington, D.C. Reagan-National

Sat 10/1

4:10 p.m.-10:18 p.m.

1 stop6h 08m

C$ 471

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 3/2

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 9/2

12:55 p.m.-2:30 p.m.

Nonstop1h 35m

C$ 474

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Reagan-National Airport

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 to Washington, D.C. Reagan-National Airport?

The month of March is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around C$ 453. If you don’t want to visit Washington, D.C. Reagan-National Airport in March, then you should wait until April to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 454.

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

On average, the least expensive day to fly to Washington, D.C. Reagan-National Airport from Ottawa is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 592. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ottawa to Washington, D.C. Reagan-National Airport for around C$ 965.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Ottawa to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the evening. Our users have found flights to Washington, D.C. Reagan-National Airport in the evening for as low as C$ 614. Flights in the morning are often more expensive with an average ticket price of C$ 823.

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

Fly from Ottawa to Washington, D.C. Reagan-National for the best Ottawa - Washington, D.C. Reagan-National flight prices

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

There are 3 cabin classes available to choose from on Ottawa to Washington, D.C. Reagan-National 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. Reagan-National Airport flights?

You could potentially save up to 17% on your flight if you consider stops on a Ottawa to Washington, D.C. Reagan-National Airport flight.

How have Ottawa to Washington, D.C. Reagan-National Airport flight prices changed over time?

When to book flights from Ottawa to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (YOW to DCA) flight deals and tips

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

Best price found

C$ 525

Fastest flight time

1h 49m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat
The best one-way flight to Washington, D.C. Reagan-National Airport from Ottawa in the past 72 hours is C$ 525. The best round-trip flight deal from Ottawa to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is C$ 849.
The fastest flight from Ottawa to Washington, D.C. Reagan-National Airport takes 1h 49m
Direct flights go from Ottawa to Washington, D.C. Reagan-National Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is United Airlines.
Search flight deals

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

    The distance between Ottawa and Washington, D.C. Reagan-National is about 737.6 km. A reasonable flight in good conditions will take 1h 49m.

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

    Prices for flights from Ottawa Airport to Washington, D.C. Reagan-National Airport are refreshed on a daily basis.

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

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

    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. Reagan-National Airport.

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

    The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Ottawa to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 303Free CancellationRating
7.4
9,094 reviews
Search United Airlines flights
Air CanadaPriceFrom C$ 387Free CancellationRating
7.1
10,527 reviews
Search Air Canada flights

  • United Airlines Flights From Ottawa to Washington, D.C. Reagan-National Airport

    The lowest priced United Airlines flight from Ottawa to Washington, D.C. Reagan-National Airport from the last 72 hours was C$ 303. Generally, United Airlines has 5 flights on this route every week with an average price of C$ 460. United Airlines is rated 7.4/10 by our users.

  • Air Canada Flights From Ottawa to Washington, D.C. Reagan-National Airport

    Another popular option for Ottawa to Washington, D.C. Reagan-National Airport flights is Air Canada (7.1/10, 10,527 ratings). Air Canada flies from Ottawa to Washington, D.C. Reagan-National Airport around 5 times per week, with deals starting from C$ 387 round-trip and rising to an average price of around C$ 508.

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Gettysburg
Alexandria
Fairfax
Linthicum Heights
Silver Spring
Bethesda
Gaithersburg
Reston
Herndon
Laurel
Arlington
Capitol Heights
Manassas
Fredericksburg
Woodbridge
Rockville
McLean
National Harbor
Tysons

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Ottawa to Washington, D.C. for you.

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 for Ottawa to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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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