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Cheap flights from Washington, D.C. to Ottawa from C$ 185

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. to Ottawa departing on 21/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:20 p.m. - 5:25 p.m.BWI-YOW
24h 05m1 stop
Multiple Airlines Logo
9:30 a.m. - 8:16 p.m.YOW-BWI
10h 46m1 stop
C$ 402Multiple Airlines
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mar., 28 oct. - ven., 31 oct.
Multiple Airlines Logo
5:40 a.m. - 5:25 p.m.BWI-YOW
11h 45m1 stop
Multiple Airlines Logo
4:20 p.m. - 12:27 a.m.YOW-BWI
8h 07m1 stop
C$ 429Multiple Airlines
Find Deal
ven., 28 nov. - ven., 5 déc.
Porter Airlines Logo
6:30 p.m. - 10:29 p.m.IAD-YOW
3h 59m1 stop
Porter Airlines Logo
8:40 a.m. - 12:29 p.m.YOW-IAD
3h 49m1 stop
C$ 443Porter Airlines
Find Deal
lun., 10 nov. - sam., 15 nov.
Porter Airlines Logo
6:30 p.m. - 10:29 p.m.IAD-YOW
3h 59m1 stop
Porter Airlines Logo
1:20 p.m. - 5:14 p.m.YOW-IAD
3h 54m1 stop
C$ 454Porter Airlines
Find Deal
ven., 14 nov. - lun., 17 nov.
Air Canada Logo
12:55 p.m. - 2:30 p.m.DCA-YOW
1h 35mdirect
Air Canada Logo
6:05 p.m. - 10:35 p.m.YOW-DCA
4h 30m1 stop
C$ 467Air Canada
Find Deal
mer., 5 nov. - mer., 5 nov.
Air Canada Logo
9:45 a.m. - 2:07 p.m.IAD-YOW
4h 22m1 stop
Air Canada Logo
4:10 p.m. - 8:26 p.m.YOW-IAD
4h 16m1 stop
C$ 492Air Canada
Find Deal
mer., 5 nov. - mer., 5 nov.
United Airlines Logo
10:35 p.m. - 10:26 a.m.IAD-YOW
11h 51m1 stop
United Airlines Logo
2:15 p.m. - 4:09 p.m.YOW-IAD
1h 54mdirect
C$ 568United Airlines
Find Deal
mer., 26 nov. - jeu., 27 nov.
United Airlines Logo
10:12 p.m. - 11:54 p.m.IAD-YOW
1h 42mdirect
United Airlines Logo
7:30 p.m. - 9:22 p.m.YOW-IAD
1h 52mdirect
C$ 594United Airlines
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ven., 7 nov. - lun., 10 nov.
American Airlines Logo
10:04 a.m. - 4:49 p.m.DCA-YOW
6h 45m1 stop
American Airlines Logo
6:45 a.m. - 10:15 p.m.YOW-DCA
15h 30m2 stops
C$ 752American Airlines
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dim., 2 nov. - sam., 8 nov.
American Airlines Logo
6:50 a.m. - 6:24 p.m.DCA-YOW
11h 34m2 stops
American Airlines Logo
6:45 a.m. - 12:33 p.m.YOW-DCA
5h 48m1 stop
C$ 816American Airlines
Find Deal
jeu., 6 nov. - mar., 11 nov.

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

Our best American Airlines deals on Washington, D.C. to Ottawa flight tickets
American Airlines
2 Nov
DCA10:04 a.m.Washington, D.C. Reagan-National
6h 45m
1 stop
YOW4:49 p.m.Ottawa
8 Nov
YOW6:45 a.m.Ottawa
15h 30m
2 stops
DCA10:15 p.m.Washington, D.C. Reagan-National
C$ 752
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American Airlines
6 Nov
DCA6:50 a.m.Washington, D.C. Reagan-National
11h 34m
2 stops
YOW6:24 p.m.Ottawa
11 Nov
YOW6:45 a.m.Ottawa
5h 48m
1 stop
DCA12:33 p.m.Washington, D.C. Reagan-National
C$ 816
Find similar
American Airlines
27 Nov
DCA6:25 a.m.Washington, D.C. Reagan-National
35h 59m
2 stops
YOW6:24 p.m.Ottawa
4 Dec
YOW6:45 a.m.Ottawa
13h 15m
2 stops
DCA8:00 p.m.Washington, D.C. Reagan-National
C$ 823
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Air Canada flights from Washington, D.C. to Ottawa

Our best Air Canada deals on Washington, D.C. to Ottawa flight tickets
Air Canada
5 Nov
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 35m
YOW2:30 p.m.Ottawa
5 Nov
YOW6:05 p.m.Ottawa
4h 30m
1 stop
DCA10:35 p.m.Washington, D.C. Reagan-National
C$ 467
Find similar
Air Canada
5 Nov
IAD9:45 a.m.Washington, D.C. Dulles Intl
4h 22m
1 stop
YOW2:07 p.m.Ottawa
5 Nov
YOW4:10 p.m.Ottawa
4h 16m
1 stop
IAD8:26 p.m.Washington, D.C. Dulles Intl
C$ 492
Find similar
Air Canada
27 Nov
DCA12:55 p.m.Washington, D.C. Reagan-National
1h 35m
YOW2:30 p.m.Ottawa
4 Dec
YOW10:30 a.m.Ottawa
1h 49m
DCA12:19 p.m.Washington, D.C. Reagan-National
C$ 524
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 14 octobre 2025.
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

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

mar. 28/10

5:20 p.m.-5:25 p.m.

1 stop24h 05m

Ottawa

ven. 31/10

9:30 a.m.-8:16 p.m.

1 stop10h 46m

C$ 402

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

ven. 28/11

5:40 a.m.-5:25 p.m.

1 stop11h 45m

Ottawa

ven. 5/12

4:20 p.m.-12:27 a.m.

1 stop8h 07m

C$ 429

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

lun. 10/11

6:30 p.m.-10:29 p.m.

1 stop3h 59m

Ottawa

sam. 15/11

8:40 a.m.-12:29 p.m.

1 stop3h 49m

C$ 443

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

ven. 14/11

6:30 p.m.-10:29 p.m.

1 stop3h 59m

Ottawa

lun. 17/11

1:20 p.m.-5:14 p.m.

1 stop3h 54m

C$ 454

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

mer. 5/11

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

Nonstop1h 35m

Ottawa

mer. 5/11

6:05 p.m.-10:35 p.m.

1 stop4h 30m

C$ 467

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

mer. 5/11

9:45 a.m.-2:07 p.m.

1 stop4h 22m

Ottawa

mer. 5/11

4:10 p.m.-8:26 p.m.

1 stop4h 16m

C$ 492

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

mer. 26/11

10:35 p.m.-10:26 a.m.

1 stop11h 51m

Ottawa

jeu. 27/11

2:15 p.m.-4:09 p.m.

Nonstop1h 54m

C$ 568

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

ven. 7/11

10:12 p.m.-11:54 p.m.

Nonstop1h 42m

Ottawa

lun. 10/11

7:30 p.m.-9:22 p.m.

Nonstop1h 52m

C$ 594

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dim. 2/11

10:04 a.m.-4:49 p.m.

1 stop6h 45m

Ottawa

sam. 8/11

6:45 a.m.-10:15 p.m.

2 stops15h 30m

C$ 752

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jeu. 6/11

6:50 a.m.-6:24 p.m.

2 stops11h 34m

Ottawa

mar. 11/11

6:45 a.m.-12:33 p.m.

1 stop5h 48m

C$ 816

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?

What is the cheapest month to fly to Ottawa?

The month of January is, on average, the cheapest month to fly to Ottawa from Washington, D.C., with most prices found around C$ 360. If you aren’t able to travel to Ottawa during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 460.

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$ 181. Flights from Washington, D.C. to Ottawa on a Sunday will generally be more expensive and average around C$ 973. 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$ 279. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 973 per ticket.

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

Fly from Washington, D.C. Dulles Intl 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 3 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 25% 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 2025, prices for Washington, D.C. to Ottawa flights are approximately 18% 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

Fastest flight time

1h 31m

Direct flights

Every day

Airports in Ottawa

1 airport
The fastest flight from Washington, D.C. to Ottawa takes 1h 31m
Direct flights go from Washington, D.C. to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)
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  • How far is Washington, D.C. to Ottawa by plane?

    There are 731.6 km between Washington, D.C. and Ottawa. 1h 35m 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
Pembroke
Brockville
Smiths Falls
Perth
Wakefield
Calabogie
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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