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Cheap flights from Washington, D.C. to Ottawa from C$ 165

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:55 p.m. - 2:29 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 34mdirect
Air Canada Logo
10:30 a.m. - 12:19 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 49mdirect
C$ 388Air Canada
Mon, 8 Feb - Tue, 9 Feb
Air Canada Logo
12:55 p.m. - 2:29 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 34mdirect
Air Canada Logo
10:30 a.m. - 12:19 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 49mdirect
C$ 388Air Canada
Sun, 17 Jan - Sat, 30 Jan
Air Canada Logo
5:20 p.m. - 9:52 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
4h 32m1 stop Toronto Island
Air Canada Logo
12:05 p.m. - 4:47 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
4h 42m1 stop Toronto Island
C$ 397Air Canada
Sat, 5 Dec - Sun, 6 Dec
Air Canada Logo
11:05 a.m. - 3:57 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
4h 52m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:30 a.m. - 12:19 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 49mdirect
C$ 401Air Canada
Sun, 17 Jan - Sat, 30 Jan
Air Canada Logo
12:55 p.m. - 2:29 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 34mdirect
Air Canada Logo
5:45 a.m. - 10:29 a.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 44m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 401Air Canada
Mon, 8 Feb - Tue, 9 Feb
Air Canada Logo
5:20 p.m. - 9:52 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
4h 32m1 stop Toronto Island
Air Canada Logo
10:05 a.m. - 3:45 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
5h 40m1 stop Toronto Pearson Intl
C$ 404Air Canada
Sun, 6 Dec - Sun, 13 Dec
Air Canada Logo
11:05 a.m. - 3:57 p.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
4h 52m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:40 p.m. - 9:59 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 19m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 412Air Canada
Sat, 12 Dec - Mon, 14 Dec
Air Canada Logo
6:00 a.m. - 9:47 a.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
3h 47m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:50 a.m. - 3:24 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 34m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 412Air Canada
Mon, 16 Nov - Thu, 19 Nov
Air Canada Logo
6:00 a.m. - 11:37 a.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 37m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:40 p.m. - 9:59 p.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 19m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 412Air Canada
Wed, 18 Nov - Sun, 22 Nov
Air Canada Logo
6:00 a.m. - 11:37 a.m.DCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 37m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:45 a.m. - 10:24 a.m.YOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 39m1 stop Montreal Pierre Elliott Trudeau Intl
C$ 412Air Canada
Wed, 11 Nov - Sat, 14 Nov

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

Our best American Airlines deals on Washington, D.C. to Ottawa flight tickets
American Airlines
4 Nov
DCA6:50 p.m.Washington, D.C. Reagan-National
23h 02m
2 stops
YOW5:52 p.m.Ottawa
7 Nov
YOW7:00 a.m.Ottawa
11h 25m
2 stops
DCA6:25 p.m.Washington, D.C. Reagan-National
C$ 1,191
American Airlines
4 Nov
DCA8:30 a.m.Washington, D.C. Reagan-National
9h 22m
2 stops
YOW5:52 p.m.Ottawa
7 Nov
YOW7:00 a.m.Ottawa
11h 25m
2 stops
DCA6:25 p.m.Washington, D.C. Reagan-National
C$ 1,228
American Airlines
4 Nov
DCA8:30 a.m.Washington, D.C. Reagan-National
9h 22m
2 stops
YOW5:52 p.m.Ottawa
7 Nov
YOW7:00 a.m.Ottawa
11h 25m
2 stops
DCA6:25 p.m.Washington, D.C. Reagan-National
C$ 1,258

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

Our best Air Canada deals on Washington, D.C. to Ottawa flight tickets
Air Canada
17 Jan
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 34m
YOW2:29 p.m.Ottawa
30 Jan
YOW10:30 a.m.Ottawa
1h 49m
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 388
Air Canada
5 Dec
IAD5:20 p.m.Washington, D.C. Dulles Intl
4h 32m
1 stop
YOW9:52 p.m.Ottawa
6 Dec
YOW12:05 p.m.Ottawa
4h 42m
1 stop
IAD4:47 p.m.Washington, D.C. Dulles Intl
C$ 397
Air Canada
17 Jan
DCA11:05 a.m.Washington, D.C. Reagan-National
4h 52m
1 stop
YOW3:57 p.m.Ottawa
30 Jan
YOW10:30 a.m.Ottawa
1h 49m
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 401

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. 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 Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Mon 8/2

12:55 p.m.-2:29 p.m.

Nonstop1h 34m

Ottawa

Tue 9/2

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

Nonstop1h 49m

C$ 388

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sun 17/1

12:55 p.m.-2:29 p.m.

Nonstop1h 34m

Ottawa

Sat 30/1

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

Nonstop1h 49m

C$ 388

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Sat 5/12

5:20 p.m.-9:52 p.m.

1 stop4h 32m

Ottawa

Sun 6/12

12:05 p.m.-4:47 p.m.

1 stop4h 42m

C$ 397

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sun 17/1

11:05 a.m.-3:57 p.m.

1 stop4h 52m

Ottawa

Sat 30/1

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

Nonstop1h 49m

C$ 401

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Mon 8/2

12:55 p.m.-2:29 p.m.

Nonstop1h 34m

Ottawa

Tue 9/2

5:45 a.m.-10:29 a.m.

1 stop4h 44m

C$ 401

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Sun 6/12

5:20 p.m.-9:52 p.m.

1 stop4h 32m

Ottawa

Sun 13/12

10:05 a.m.-3:45 p.m.

1 stop5h 40m

C$ 404

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 12/12

11:05 a.m.-3:57 p.m.

1 stop4h 52m

Ottawa

Mon 14/12

5:40 p.m.-9:59 p.m.

1 stop4h 19m

C$ 412

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Mon 16/11

6:00 a.m.-9:47 a.m.

1 stop3h 47m

Ottawa

Thu 19/11

10:50 a.m.-3:24 p.m.

1 stop4h 34m

C$ 412

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Wed 18/11

6:00 a.m.-11:37 a.m.

1 stop5h 37m

Ottawa

Sun 22/11

5:40 p.m.-9:59 p.m.

1 stop4h 19m

C$ 412

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Wed 11/11

6:00 a.m.-11:37 a.m.

1 stop5h 37m

Ottawa

Sat 14/11

5:45 a.m.-10:24 a.m.

1 stop4h 39m

C$ 412

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Ottawa from

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

Prices are currently low for flights on this route.

Typical prices usually range from C$ 585 to C$ 792.
The lowest price recently found on this route was C$ 388.

What is the cheapest month to fly to Ottawa?

The month of March is, on average, the cheapest month to fly to Ottawa from Washington, D.C., with most prices found around C$ 606. If you aren’t able to travel to Ottawa during the month of March, then flying in August is also cheap. Prices for this month can be found on momondo for an average of C$ 628.

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$ 366. Flights from Washington, D.C. to Ottawa on a Monday will generally be more expensive and average around C$ 1,033. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from Washington, D.C. to Ottawa during this time can be as low as C$ 646. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,061 per ticket.

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

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

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

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

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

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

As of October 2026, prices for Washington, D.C. to Ottawa flights are approximately 30% more expensive when compared to flights at the same time last year.

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

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

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

Best price found

C$ 165

Fastest flight time

1h 32m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. in the past 72 hours is C$ 165. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is C$ 388.
The fastest flight from Washington, D.C. to Ottawa takes 1h 32m
Direct flights go from Washington, D.C. to Ottawa every day.
There is 1 airport in Ottawa. From Washington, D.C. there are direct flights to Ottawa (YOW).
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Ottawa

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

    There are 731.6 km between Washington, D.C. and Ottawa. 1h 32m is a normal flight duration for this route.

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Ottawa Airport.

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

    The travel and health documents required for your trip to Ottawa Airport 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 Ottawa Airport. 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 Washington, D.C. to Ottawa?

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

Travelling to a place near Ottawa?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ottawa. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Ottawa from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Washington, D.C. and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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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