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Cheap flights from Ottawa to Washington, D.C. from C$ 249

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 20/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
C$ 485Air Canada
Fri, 10 Jul - Sat, 1 Aug
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
6:59 a.m. - 11:15 a.m.
DCA
-
YOW
4h 16m
1 stop
C$ 486Air Canada
Fri, 10 Jul - Thu, 23 Jul
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
6:00 a.m. - 10:35 a.m.
DCA
-
YOW
4h 35m
1 stop
C$ 491Air Canada
Sun, 12 Jul - Sat, 18 Jul
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
C$ 492Air Canada
Sun, 12 Jul - Sat, 18 Jul
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
C$ 495Air Canada
Wed, 1 Jul - Sun, 5 Jul
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
8:40 p.m. - 1:35 a.m.
DCA
-
YOW
4h 55m
1 stop
C$ 499Air Canada
Fri, 10 Jul - Fri, 31 Jul
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
C$ 503Air Canada
Fri, 10 Jul - Fri, 31 Jul
Air Canada Logo
5:10 a.m. - 8:52 a.m.
YOW
-
DCA
3h 42m
1 stop
Air Canada Logo
8:40 p.m. - 1:35 a.m.
DCA
-
YOW
4h 55m
1 stop
C$ 505Air Canada
Thu, 2 Jul - Sun, 5 Jul
Air Canada Logo
4:00 p.m. - 7:57 p.m.
YOW
-
DCA
3h 57m
1 stop
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
C$ 506Air Canada
Wed, 1 Jul - Sun, 5 Jul
Air Canada Logo
5:10 a.m. - 8:52 a.m.
YOW
-
DCA
3h 42m
1 stop
Air Canada Logo
9:40 a.m. - 1:54 p.m.
DCA
-
YOW
4h 14m
1 stop
C$ 512Air Canada
Thu, 2 Jul - Sun, 5 Jul

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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
22 Sep
YOW7:00 a.m.Ottawa
5h 44m
1 stop
DCA12:44 p.m.Washington, D.C. Reagan-National
29 Sep
DCA7:16 p.m.Washington, D.C. Reagan-National
24h 44m
2 stops
YOW8:00 p.m.Ottawa
C$ 623
American Airlines
22 Sep
YOW8:40 a.m.Ottawa
13h 19m
2 stops
DCA9:59 p.m.Washington, D.C. Reagan-National
29 Sep
DCA7:16 p.m.Washington, D.C. Reagan-National
24h 44m
2 stops
YOW8:00 p.m.Ottawa
C$ 636
American Airlines
25 Sep
YOW7:00 a.m.Ottawa
5h 44m
1 stop
DCA12:44 p.m.Washington, D.C. Reagan-National
28 Sep
DCA6:09 a.m.Washington, D.C. Reagan-National
13h 51m
2 stops
YOW8:00 p.m.Ottawa
C$ 651

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

Our best Air Canada deals on Ottawa to Washington, D.C. Reagan-National Airport flight tickets
Air Canada
10 Jul
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
1 Aug
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 31m
YOW2:11 p.m.Ottawa
C$ 485
Air Canada
10 Jul
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
23 Jul
DCA6:59 a.m.Washington, D.C. Reagan-National
4h 16m
1 stop
YOW11:15 a.m.Ottawa
C$ 486
Air Canada
12 Jul
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
18 Jul
DCA6:00 a.m.Washington, D.C. Reagan-National
4h 35m
1 stop
YOW10:35 a.m.Ottawa
C$ 491

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 June 2026.
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

Cheapest round-trip
Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 10/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 1/8

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 485

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 10/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Thu 23/7

6:59 a.m.-11:15 a.m.

1 stop4h 16m

C$ 486

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 12/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 18/7

6:00 a.m.-10:35 a.m.

1 stop4h 35m

C$ 491

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Sun 12/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sat 18/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 492

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 1/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Sun 5/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 495

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 10/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Fri 31/7

8:40 p.m.-1:35 a.m.

1 stop4h 55m

C$ 499

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 10/7

10:25 a.m.-12:00 p.m.

Nonstop1h 35m

Washington, D.C. Reagan-National

Fri 31/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 503

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/7

5:10 a.m.-8:52 a.m.

1 stop3h 42m

Washington, D.C. Reagan-National

Sun 5/7

8:40 p.m.-1:35 a.m.

1 stop4h 55m

C$ 505

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Wed 1/7

4:00 p.m.-7:57 p.m.

1 stop3h 57m

Washington, D.C. Reagan-National

Sun 5/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

C$ 506

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 2/7

5:10 a.m.-8:52 a.m.

1 stop3h 42m

Washington, D.C. Reagan-National

Sun 5/7

9:40 a.m.-1:54 p.m.

1 stop4h 14m

C$ 512

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 typical price of a round-trip flight between Ottawa and Washington, D.C. Reagan-National Airport?

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of January is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Ottawa, with most prices found around C$ 363. If you don’t want to visit Washington, D.C. Reagan-National Airport in January, then you should wait until December to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 485.

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$ 636. 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$ 1,158.

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 Airport flights?

There are 2 cabin classes available to choose from on Ottawa to Washington, D.C. Reagan-National Airport 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?

No. A direct flight is the cheapest option for a flight between Ottawa to Washington, D.C. Reagan-National Airport.

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$ 368

Fastest flight time

1h 35m

Direct flights

Every day
The best one-way flight to Washington, D.C. Reagan-National Airport from Ottawa in the past 72 hours is C$ 368. 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$ 723.
The fastest flight from Ottawa to Washington, D.C. Reagan-National Airport takes 1h 35m
Direct flights go from Ottawa to Washington, D.C. Reagan-National Airport every day.
Search flight deals

Frequently asked questions about flying from Ottawa to Washington, D.C. Reagan-National Airport

  • 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 35m.

  • 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
Air CanadaPriceFrom C$ 363Free CancellationRating
7.1
11,197 reviews
Search Air Canada flights

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

    The lowest priced Air Canada flight from Ottawa to Washington, D.C. Reagan-National Airport from the last 72 hours was C$ 363. Generally, Air Canada has 3 flights on this route every week with an average price of C$ 524. Air Canada is rated 7.1/10 by our users.

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

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