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Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from C$ 124

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
9:00 a.m. - 3:45 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
6h 45m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 382Air Canada
Thu, 10 Dec - Thu, 17 Dec
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
6:00 a.m. - 3:45 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
9h 45m1 stop Toronto Pearson Intl
C$ 396Air Canada
Thu, 10 Dec - Thu, 17 Dec
Porter Airlines Logo
11:20 a.m. - 4:38 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
5h 18m1 stop Toronto Island
Porter Airlines Logo
12:15 p.m. - 5:45 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
5h 30m1 stop Toronto Island
C$ 432Porter Airlines
Sat, 12 Dec - Mon, 14 Dec
Porter Airlines Logo
11:20 a.m. - 4:38 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
5h 18m1 stop Toronto Island
Porter Airlines Logo
12:15 p.m. - 5:45 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
5h 30m1 stop Toronto Island
C$ 434Porter Airlines
Sat, 12 Dec - Mon, 14 Dec
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$ 453Air Canada
Thu, 26 Nov - Mon, 30 Nov
United Airlines Logo
5:37 p.m. - 7:27 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
1h 50mdirect
United Airlines Logo
2:00 p.m. - 3:53 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
1h 53mdirect
C$ 456United Airlines
Wed, 25 Nov - Sat, 28 Nov
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$ 458Air Canada
Fri, 11 Dec - Sun, 13 Dec
Porter Airlines Logo
11:20 a.m. - 4:37 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
5h 17m1 stop Toronto Island
Porter Airlines Logo
12:15 p.m. - 5:44 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
5h 29m1 stop Toronto Island
C$ 459Porter Airlines
Fri, 27 Nov - Mon, 30 Nov
Multiple Airlines Logo
6:07 p.m. - 5:24 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
23h 17m1 stop Fort Lauderdale
Multiple Airlines Logo
12:15 p.m. - 5:44 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
5h 29m1 stop Toronto Island
C$ 460Multiple Airlines
Mon, 16 Nov - Mon, 23 Nov
Porter Airlines Logo
11:20 a.m. - 4:37 p.m.IAD  Washington, D.C. Dulles Intl-YOW Ottawa
5h 17m1 stop Toronto Island
Porter Airlines Logo
12:15 p.m. - 5:44 p.m.YOW  Ottawa-IAD Washington, D.C. Dulles Intl
5h 29m1 stop Toronto Island
C$ 462Porter Airlines
Wed, 18 Nov - Mon, 23 Nov

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Air Canada flights from Washington, D.C. Dulles Intl Airport to Ottawa

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
Air Canada
10 Dec
IAD5:20 p.m.Washington, D.C. Dulles Intl
4h 32m
1 stop
YOW9:52 p.m.Ottawa
17 Dec
YOW9:00 a.m.Ottawa
6h 45m
2 stops
IAD3:45 p.m.Washington, D.C. Dulles Intl
C$ 382
Air Canada
10 Dec
IAD5:20 p.m.Washington, D.C. Dulles Intl
4h 32m
1 stop
YOW9:52 p.m.Ottawa
17 Dec
YOW6:00 a.m.Ottawa
9h 45m
1 stop
IAD3:45 p.m.Washington, D.C. Dulles Intl
C$ 396
Air Canada
26 Nov
IAD5:20 p.m.Washington, D.C. Dulles Intl
4h 32m
1 stop
YOW9:52 p.m.Ottawa
30 Nov
YOW12:05 p.m.Ottawa
4h 42m
1 stop
IAD4:47 p.m.Washington, D.C. Dulles Intl
C$ 453

Porter Airlines flights from Washington, D.C. Dulles Intl Airport to Ottawa

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
Porter Airlines
12 Dec
IAD11:20 a.m.Washington, D.C. Dulles Intl
5h 18m
1 stop
YOW4:38 p.m.Ottawa
14 Dec
YOW12:15 p.m.Ottawa
5h 30m
1 stop
IAD5:45 p.m.Washington, D.C. Dulles Intl
C$ 432
Porter Airlines
12 Dec
IAD11:20 a.m.Washington, D.C. Dulles Intl
5h 18m
1 stop
YOW4:38 p.m.Ottawa
14 Dec
YOW12:15 p.m.Ottawa
5h 30m
1 stop
IAD5:45 p.m.Washington, D.C. Dulles Intl
C$ 434
Porter Airlines
27 Nov
IAD11:20 a.m.Washington, D.C. Dulles Intl
5h 17m
1 stop
YOW4:37 p.m.Ottawa
30 Nov
YOW12:15 p.m.Ottawa
5h 29m
1 stop
IAD5:44 p.m.Washington, D.C. Dulles Intl
C$ 459

momondo Fare Finder

 
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ottawa that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Thu 10/12

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

1 stop4h 32m

Ottawa

Thu 17/12

9:00 a.m.-3:45 p.m.

2 stops6h 45m

C$ 382

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Thu 10/12

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

1 stop4h 32m

Ottawa

Thu 17/12

6:00 a.m.-3:45 p.m.

1 stop9h 45m

C$ 396

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Sat 12/12

11:20 a.m.-4:38 p.m.

1 stop5h 18m

Ottawa

Mon 14/12

12:15 p.m.-5:45 p.m.

1 stop5h 30m

C$ 432

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Sat 12/12

11:20 a.m.-4:38 p.m.

1 stop5h 18m

Ottawa

Mon 14/12

12:15 p.m.-5:45 p.m.

1 stop5h 30m

C$ 434

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Thu 26/11

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

1 stop4h 32m

Ottawa

Mon 30/11

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

1 stop4h 42m

C$ 453
Quickest round-trip

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Wed 25/11

5:37 p.m.-7:27 p.m.

Nonstop1h 50m

Ottawa

Sat 28/11

2:00 p.m.-3:53 p.m.

Nonstop1h 53m

C$ 456

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Fri 11/12

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$ 458

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Fri 27/11

11:20 a.m.-4:37 p.m.

1 stop5h 17m

Ottawa

Mon 30/11

12:15 p.m.-5:44 p.m.

1 stop5h 29m

C$ 459

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Mon 16/11

6:07 p.m.-5:24 p.m.

1 stop23h 17m

Ottawa

Mon 23/11

12:15 p.m.-5:44 p.m.

1 stop5h 29m

C$ 460

Washington, D.C.Ottawa

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

IADYOW

Washington, D.C. Dulles Intl

Wed 18/11

11:20 a.m.-4:37 p.m.

1 stop5h 17m

Ottawa

Mon 23/11

12:15 p.m.-5:44 p.m.

1 stop5h 29m

C$ 462

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. Dulles Intl 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. Dulles Intl Airport and Ottawa?

Prices are currently low for flights on this route.

Typical prices usually range from C$ 393 to C$ 779.
The lowest price recently found on this route was C$ 382.

What is the cheapest month to fly to Ottawa?

The month of December is, on average, the cheapest month to fly to Ottawa from Washington, D.C. Dulles Intl Airport, with most prices found around C$ 503. If you aren’t able to travel to Ottawa during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 505.

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. Dulles Intl Airport to Ottawa on a Monday will generally be more expensive and average around C$ 1,034. 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. Dulles Intl Airport to Ottawa during this time can be as low as C$ 647. In the evening is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,062 per ticket.

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

Fly from Washington, D.C. Dulles Intl to Ottawa for the best Washington, D.C. Dulles Intl - Ottawa flight prices

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

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

You could potentially save up to 32% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Ottawa flight.

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

As of October 2026, prices for Washington, D.C. Dulles Intl Airport to Ottawa flights are approximately 23% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Ottawa

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

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

Best price found

C$ 124

Fastest flight time

1h 47m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. Dulles Intl Airport in the past 72 hours is C$ 124. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ottawa found on momondo in the last 72 hours is C$ 382.
The fastest flight from Washington, D.C. Dulles Intl Airport to Ottawa takes 1h 47m
Direct flights go from Washington, D.C. Dulles Intl Airport to Ottawa every day.
There is 1 airport in Ottawa. From Washington, D.C. Dulles Intl Airport there are direct flights to Ottawa (YOW).
Search flight deals

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

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

    The distance between Washington, D.C. Dulles Intl and Ottawa is about 732.9 km. 1h 47m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport are refreshed on a daily basis.

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

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

    The necessary travel and health documents for your Ottawa 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 Washington, D.C. Dulles Intl Airport 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?

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 Washington, D.C. to Ottawa for you.

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 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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