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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from C$ 227

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to Ottawa departing on 18/9. 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

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
C$ 492Air Canada
Thu, 9 Jul - Mon, 13 Jul
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
C$ 494Air Canada
Sun, 16 Aug - Fri, 21 Aug
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
Air Canada Logo
5:45 p.m. - 9:48 p.m.
YOW
-
DCA
4h 03m
1 stop
C$ 495Air Canada
Thu, 9 Jul - Mon, 13 Jul
Air Canada Logo
6:00 a.m. - 10:35 a.m.
DCA
-
YOW
4h 35m
1 stop
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
C$ 497Air Canada
Sun, 16 Aug - Fri, 21 Aug
Air Canada Logo
6:00 a.m. - 10:35 a.m.
DCA
-
YOW
4h 35m
1 stop
Air Canada Logo
6:00 a.m. - 10:18 a.m.
YOW
-
DCA
4h 18m
1 stop
C$ 501Air Canada
Sun, 16 Aug - Fri, 21 Aug
Air Canada Logo
8:40 p.m. - 1:35 a.m.
DCA
-
YOW
4h 55m
1 stop
Air Canada Logo
5:45 p.m. - 9:48 p.m.
YOW
-
DCA
4h 03m
1 stop
C$ 505Air Canada
Thu, 9 Jul - Mon, 13 Jul
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
C$ 525Air Canada
Mon, 17 Aug - Thu, 20 Aug
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
Air Canada Logo
10:30 a.m. - 12:19 p.m.
YOW
-
DCA
1h 49mdirect
C$ 527Air Canada
Wed, 4 Nov - Sat, 7 Nov
Air Canada Logo
12:55 p.m. - 2:30 p.m.
DCA
-
YOW
1h 35mdirect
Air Canada Logo
10:50 a.m. - 3:21 p.m.
YOW
-
DCA
4h 31m
1 stop
C$ 540Air Canada
Wed, 4 Nov - Sat, 7 Nov
Air Canada Logo
12:40 p.m. - 2:11 p.m.
DCA
-
YOW
1h 31mdirect
Air Canada Logo
10:25 a.m. - 12:00 p.m.
YOW
-
DCA
1h 35mdirect
C$ 553Air Canada
Sun, 5 Jul - Thu, 23 Jul

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

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
United Airlines
3 Jul
DCA6:00 a.m.Washington, D.C. Reagan-National
10h 38m
1 stop
YOW4:38 p.m.Ottawa
6 Jul
YOW5:20 p.m.Ottawa
15h 34m
1 stop
DCA8:54 a.m.Washington, D.C. Reagan-National
C$ 588
United Airlines
25 Jul
DCA6:30 a.m.Washington, D.C. Reagan-National
7h 29m
1 stop
YOW1:59 p.m.Ottawa
25 Jul
YOW5:50 p.m.Ottawa
4h 03m
1 stop
DCA9:53 p.m.Washington, D.C. Reagan-National
C$ 591
United Airlines
13 Jul
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 31m
YOW2:11 p.m.Ottawa
16 Jul
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
C$ 627

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

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
Air Canada
9 Jul
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 31m
YOW2:11 p.m.Ottawa
13 Jul
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
C$ 492
Air Canada
16 Aug
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 31m
YOW2:11 p.m.Ottawa
21 Aug
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
C$ 494
Air Canada
9 Jul
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 31m
YOW2:11 p.m.Ottawa
13 Jul
YOW5:45 p.m.Ottawa
4h 03m
1 stop
DCA9:48 p.m.Washington, D.C. Reagan-National
C$ 495

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Ottawa 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 18 June 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/7

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

Nonstop1h 31m

Ottawa

Mon 13/7

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

Nonstop1h 35m

C$ 492

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 16/8

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

Nonstop1h 31m

Ottawa

Fri 21/8

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

Nonstop1h 35m

C$ 494

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/7

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

Nonstop1h 31m

Ottawa

Mon 13/7

5:45 p.m.-9:48 p.m.

1 stop4h 03m

C$ 495

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 16/8

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

1 stop4h 35m

Ottawa

Fri 21/8

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

Nonstop1h 35m

C$ 497

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 16/8

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

1 stop4h 35m

Ottawa

Fri 21/8

6:00 a.m.-10:18 a.m.

1 stop4h 18m

C$ 501

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 9/7

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

1 stop4h 55m

Ottawa

Mon 13/7

5:45 p.m.-9:48 p.m.

1 stop4h 03m

C$ 505

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 17/8

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

Nonstop1h 31m

Ottawa

Thu 20/8

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

Nonstop1h 35m

C$ 525

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 4/11

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

Nonstop1h 35m

Ottawa

Sat 7/11

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

Nonstop1h 49m

C$ 527

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 4/11

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

Nonstop1h 35m

Ottawa

Sat 7/11

10:50 a.m.-3:21 p.m.

1 stop4h 31m

C$ 540

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 5/7

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

Nonstop1h 31m

Ottawa

Thu 23/7

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

Nonstop1h 35m

C$ 553

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

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

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 Washington, D.C. Reagan-National Airport and Ottawa?

What is the cheapest month to fly to Ottawa?

The month of November is, on average, the cheapest month to fly to Ottawa from Washington, D.C. Reagan-National Airport, with most prices found around C$ 0. If you aren’t able to travel to Ottawa during the month of November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of C$ 595.

What is the cheapest day to depart on your flight to Ottawa?

Our data shows that Saturday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 305. Flights from Washington, D.C. Reagan-National Airport to Ottawa on a Tuesday will generally be more expensive and average around C$ 889. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

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

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

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

You could potentially save up to 30% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Ottawa flight.

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

As of June 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 38% more expensive when compared to flights at the same time last year.

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

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

Cheap Washington, D.C. Reagan-National Airport to Ottawa (DCA to YOW) flight deals and tips

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

Best price found

C$ 796

Fastest flight time

1h 30m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Ottawa

1 airport
The best flight deal from Washington, D.C. Reagan-National Airport to Ottawa found on momondo in the last 72 hours is C$ 796
The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 30m
Direct flights go from Washington, D.C. Reagan-National Airport to Ottawa on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is Air Canada.
There is 1 airport in Ottawa. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW).
Search flight deals

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

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

    A flight from Washington, D.C. Reagan-National to Ottawa will travel around 737.6 km. 1h 30m is a normal flight duration for this route.

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Ottawa Airport.

  • What documentation or ID do you need to fly to Ottawa Airport?

    The travel and health documents you'll need for your trip to Ottawa Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ottawa Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Perth
Pembroke
Smiths Falls
Prescott
Wakefield
Petawawa
Calabogie

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Ottawa from Washington, D.C..

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

Yes. momondo enables you to select and highlight flights to Ottawa from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Ottawa from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Ottawa from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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