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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from C$ 220

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 16/10. 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

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
12:55 p.m. - 2:27 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 32mdirect
Air Canada Logo
10:40 a.m. - 12:14 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 34mdirect
C$ 511Air Canada
Wed, 16 Sep - Tue, 22 Sep
Air Canada Logo
12:40 p.m. - 2:10 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 30mdirect
Air Canada Logo
10:25 a.m. - 12:00 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 35mdirect
C$ 513Air Canada
Fri, 16 Oct - Fri, 23 Oct
Air Canada Logo
12:40 p.m. - 2:11 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 31mdirect
Air Canada Logo
5:45 p.m. - 9:48 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 03m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 524Air Canada
Tue, 1 Sep - Tue, 1 Sep
Air Canada Logo
12:40 p.m. - 2:11 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 31mdirect
Air Canada Logo
10:25 a.m. - 12:00 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 35mdirect
C$ 527Air Canada
Thu, 27 Aug - Sun, 30 Aug
Multiple Airlines Logo
6:59 a.m. - 5:35 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
10h 36m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:40 a.m. - 12:14 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 34mdirect
C$ 530Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Air Canada Logo
12:55 p.m. - 2:27 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 32mdirect
Air Canada Logo
6:10 p.m. - 10:34 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 24m1 stop Toronto Pearson Intl
C$ 531Air Canada
Mon, 28 Sep - Mon, 28 Sep
Air Canada Logo
6:00 a.m. - 11:30 a.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 30m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:25 a.m. - 12:00 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 35mdirect
C$ 534Air Canada
Thu, 27 Aug - Sun, 30 Aug
Multiple Airlines Logo
6:59 a.m. - 5:35 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
10h 36m1 stop Toronto Pearson Intl
Multiple Airlines Logo
6:00 a.m. - 10:20 a.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 20m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 535Multiple Airlines
Sun, 6 Sep - Sun, 13 Sep
Air Canada Logo
6:00 a.m. - 10:35 a.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
4h 35m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:45 p.m. - 9:48 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 03m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 537Air Canada
Tue, 1 Sep - Tue, 1 Sep
Air Canada Logo
6:00 a.m. - 9:39 a.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
3h 39m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
6:00 a.m. - 10:18 a.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 18m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 539Air Canada
Thu, 27 Aug - Sun, 30 Aug

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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
16 Sep
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 32m
YOW2:27 p.m.Ottawa
22 Sep
YOW10:40 a.m.Ottawa
1h 34m
DCA12:14 p.m.Washington, D.C. Reagan-National
C$ 511
Air Canada
16 Oct
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 30m
YOW2:10 p.m.Ottawa
23 Oct
YOW10:25 a.m.Ottawa
1h 35m
DCA12:00 p.m.Washington, D.C. Reagan-National
C$ 513
Air Canada
1 Sep
DCA12:40 p.m.Washington, D.C. Reagan-National
1h 31m
YOW2:11 p.m.Ottawa
1 Sep
YOW5:45 p.m.Ottawa
4h 03m
1 stop
DCA9:48 p.m.Washington, D.C. Reagan-National
C$ 524

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
American Airlines
9 Sep
DCA5:00 a.m.Washington, D.C. Reagan-National
9h 55m
2 stops
YOW2:55 p.m.Ottawa
2 Oct
YOW7:00 a.m.Ottawa
5h 44m
1 stop
DCA12:44 p.m.Washington, D.C. Reagan-National
C$ 691
American Airlines
25 Aug
DCA2:59 p.m.Washington, D.C. Reagan-National
6h 41m
1 stop
YOW9:40 p.m.Ottawa
30 Sep
YOW7:00 a.m.Ottawa
5h 44m
1 stop
DCA12:44 p.m.Washington, D.C. Reagan-National
C$ 693
American Airlines
16 Sep
DCA6:09 a.m.Washington, D.C. Reagan-National
8h 46m
2 stops
YOW2:55 p.m.Ottawa
22 Sep
YOW7:00 a.m.Ottawa
5h 44m
1 stop
DCA12:44 p.m.Washington, D.C. Reagan-National
C$ 707

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 9 August 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

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Wed 16/9

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Tue 22/9

10:40 a.m.-12:14 p.m.

Nonstop1h 34m

C$ 511
Quickest round-trip

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Fri 16/10

12:40 p.m.-2:10 p.m.

Nonstop1h 30m

Ottawa

Fri 23/10

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

Nonstop1h 35m

C$ 513

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 1/9

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

Nonstop1h 31m

Ottawa

Tue 1/9

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

1 stop4h 03m

C$ 524

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 27/8

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

Nonstop1h 31m

Ottawa

Sun 30/8

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

Nonstop1h 35m

C$ 527

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sun 6/9

6:59 a.m.-5:35 p.m.

1 stop10h 36m

Ottawa

Sun 13/9

10:40 a.m.-12:14 p.m.

Nonstop1h 34m

C$ 530

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Mon 28/9

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

Ottawa

Mon 28/9

6:10 p.m.-10:34 p.m.

1 stop4h 24m

C$ 531

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 27/8

6:00 a.m.-11:30 a.m.

1 stop5h 30m

Ottawa

Sun 30/8

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

Nonstop1h 35m

C$ 534

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Sun 6/9

6:59 a.m.-5:35 p.m.

1 stop10h 36m

Ottawa

Sun 13/9

6:00 a.m.-10:20 a.m.

1 stop4h 20m

C$ 535

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Tue 1/9

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

1 stop4h 35m

Ottawa

Tue 1/9

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

1 stop4h 03m

C$ 537

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 27/8

6:00 a.m.-9:39 a.m.

1 stop3h 39m

Ottawa

Sun 30/8

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

1 stop4h 18m

C$ 539

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?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 524 to C$ 665.
The lowest price recently found on this route was C$ 511.

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 March is also cheap. Prices for this month can be found on momondo for an average of C$ 591.

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

Our data shows that Friday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 454. Flights from Washington, D.C. Reagan-National Airport to Ottawa on a Tuesday will generally be more expensive and average around C$ 883. 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 is only 1 cabin class 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?

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

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

As of August 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 11% 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$ 284

Fastest flight time

1h 31m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. Reagan-National Airport in the past 72 hours is C$ 284. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ottawa found on momondo in the last 72 hours is C$ 216.
The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 31m
Direct flights go from Washington, D.C. Reagan-National Airport to Ottawa every day.
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 31m 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
Calabogie
Petawawa

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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