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Cheap flights from Ottawa to Washington, D.C. Dulles Intl Airport from C$ 191

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. Dulles Intl Airport departing on 15/1. 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

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

Cheap round-trip flights

These are some of the best round-trip flight deals from Ottawa to Washington, D.C. that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ottawa to Washington, D.C..

Cheap last-minute flights

Planning a quick getaway from Ottawa to Washington, D.C.? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Washington, D.C., so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Ottawa to Washington, D.C.

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All round-trip flight deals to Washington, D.C.

The cheapest plane tickets to Washington, D.C. found on KAYAK recently.
7:00 a.m. - 12:49 p.m.YOW-IAD
5h 49m1 stop
2:00 p.m. - 6:39 p.m.IAD-YOW
4h 39m1 stop
C$ 314Porter Airlines
Find Deal
Thu, 9 Jan - Sun, 12 Jan
9:30 a.m. - 12:49 p.m.YOW-IAD
3h 19m1 stop
2:10 p.m. - 8:34 p.m.IAD-YOW
6h 24m1 stop
C$ 316Porter Airlines
Find Deal
Thu, 16 Jan - Thu, 30 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
12:49 p.m. - 2:29 p.m.IAD-YOW
1h 40mdirect
C$ 337Air Canada
Find Deal
Wed, 15 Jan - Wed, 22 Jan
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
5:08 p.m. - 6:54 p.m.IAD-YOW
1h 46mdirect
C$ 340Air Canada
Find Deal
Fri, 17 Jan - Tue, 21 Jan
6:00 a.m. - 11:41 a.m.YOW-IAD
5h 41m1 stop
10:24 p.m. - 4:16 p.m.IAD-YOW
17h 52m2 stops
C$ 383United Airlines
Find Deal
Tue, 14 Jan - Tue, 14 Jan
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
8:17 a.m. - 8:16 p.m.IAD-YOW
11h 59m1 stop
C$ 501
Find Deal
Sun, 2 Mar - Sun, 9 Mar
7:00 a.m. - 12:49 p.m.YOW-IAD
5h 49m1 stop
12:55 p.m. - 9:20 a.m.IAD-YOW
20h 25m3 stops
C$ 543
Find Deal
Sat, 18 Jan - Wed, 22 Jan
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
5:08 p.m. - 6:54 p.m.IAD-YOW
1h 46mdirect
C$ 626United Airlines
Find Deal
Sat, 18 Jan - Wed, 22 Jan
5:55 a.m. - 3:53 p.m.YOW-IAD
9h 58m2 stops
12:31 p.m. - 12:10 a.m.IAD-YOW
11h 39m2 stops
C$ 1,221Delta
Find Deal
Tue, 28 Jan - Thu, 30 Jan
5:55 a.m. - 3:53 p.m.YOW-IAD
9h 58m2 stops
12:31 p.m. - 12:10 a.m.IAD-YOW
11h 39m2 stops
C$ 1,225Delta
Find Deal
Tue, 28 Jan - Thu, 30 Jan
8:40 a.m. - 12:49 p.m.YOW-IAD
4h 09m1 stop
C$ 191Porter Airlines
Find Deal
Wed, 15 Jan
9:30 a.m. - 12:49 p.m.YOW-IAD
3h 19m1 stop
C$ 193Porter Airlines
Find Deal
Fri, 17 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
C$ 204Air Canada
Find Deal
Wed, 8 Jan
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
C$ 219Air Canada
Find Deal
Fri, 17 Jan
4:00 p.m. - 8:14 a.m.YOW-IAD
16h 14m2 stops
C$ 260
Find Deal
Sat, 11 Jan
9:20 a.m. - 6:18 p.m.YOW-IAD
8h 58m1 stop
C$ 279
Find Deal
Fri, 10 Jan
5:15 a.m. - 11:41 a.m.YOW-IAD
6h 26m1 stop
C$ 320United Airlines
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Thu, 9 Jan
5:50 p.m. - 10:20 p.m.YOW-IAD
4h 30m1 stop
C$ 327United Airlines
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Tue, 7 Jan
5:55 a.m. - 3:53 p.m.YOW-IAD
9h 58m2 stops
C$ 651Delta
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Wed, 8 Jan
5:55 a.m. - 3:35 p.m.YOW-IAD
9h 40m2 stops
C$ 1,507Delta
Find Deal
Sun, 5 Jan
3:50 p.m. - 10:24 p.m.YOW-IAD
6h 34m1 stop
1:45 p.m. - 6:31 p.m.IAD-YOW
4h 46m1 stop
C$ 618Porter Airlines
Find Deal
Mon, 23 Dec - Mon, 30 Dec
3:50 p.m. - 10:24 p.m.YOW-IAD
6h 34m1 stop
1:45 p.m. - 6:31 p.m.IAD-YOW
4h 46m1 stop
C$ 714Porter Airlines
Find Deal
Sat, 21 Dec - Sat, 4 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:37 p.m. - 10:01 p.m.IAD-YOW
4h 24m1 stop
C$ 718United Airlines
Find Deal
Mon, 23 Dec - Mon, 30 Dec
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 741United Airlines
Find Deal
Mon, 23 Dec - Mon, 30 Dec
5:45 a.m. - 11:30 a.m.YOW-IAD
5h 45m1 stop
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 864Air Canada
Find Deal
Mon, 23 Dec - Mon, 30 Dec
6:00 a.m. - 1:27 p.m.YOW-IAD
7h 27m1 stop
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 871
Find Deal
Sat, 21 Dec - Sat, 28 Dec
6:00 a.m. - 1:27 p.m.YOW-IAD
7h 27m1 stop
5:10 p.m. - 6:54 p.m.IAD-YOW
1h 44mdirect
C$ 874
Find Deal
Sat, 21 Dec - Sat, 28 Dec
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:17 p.m. - 11:37 p.m.IAD-YOW
6h 20m1 stop
C$ 1,030Air Canada
Find Deal
Sat, 21 Dec - Sat, 4 Jan
9:35 p.m. - 11:58 p.m.YOW-IAD
26h 23m2 stops
6:00 a.m. - 12:10 a.m.IAD-YOW
18h 10m2 stops
C$ 1,401WestJet
Find Deal
Mon, 23 Dec - Mon, 30 Dec
5:55 a.m. - 11:58 p.m.YOW-IAD
18h 03m2 stops
6:07 a.m. - 12:46 a.m.IAD-YOW
18h 39m2 stops
C$ 1,457WestJet
Find Deal
Sat, 21 Dec - Sat, 28 Dec
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
12:49 p.m. - 2:29 p.m.IAD-YOW
1h 40mdirect
C$ 337Air Canada
Find Deal
Wed, 15 Jan - Wed, 22 Jan
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
5:08 p.m. - 6:54 p.m.IAD-YOW
1h 46mdirect
C$ 340Air Canada
Find Deal
Fri, 17 Jan - Tue, 21 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:08 p.m. - 6:54 p.m.IAD-YOW
1h 46mdirect
C$ 367Air Canada
Find Deal
Thu, 9 Jan - Sun, 12 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
5:08 p.m. - 6:54 p.m.IAD-YOW
1h 46mdirect
C$ 371Air Canada
Find Deal
Fri, 17 Jan - Tue, 21 Jan
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 414Air Canada
Find Deal
Fri, 28 Feb - Mon, 3 Mar
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
8:17 a.m. - 9:58 a.m.IAD-YOW
1h 41mdirect
C$ 534Air Canada
Find Deal
Thu, 20 Mar - Thu, 3 Apr
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
5:08 p.m. - 6:54 p.m.IAD-YOW
1h 46mdirect
C$ 626United Airlines
Find Deal
Sat, 18 Jan - Wed, 22 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
12:49 p.m. - 2:29 p.m.IAD-YOW
1h 40mdirect
C$ 671United Airlines
Find Deal
Tue, 28 Jan - Thu, 30 Jan
2:05 p.m. - 3:58 p.m.YOW-IAD
1h 53mdirect
12:49 p.m. - 2:29 p.m.IAD-YOW
1h 40mdirect
C$ 673United Airlines
Find Deal
Tue, 28 Jan - Thu, 30 Jan
7:25 p.m. - 9:00 p.m.YOW-IAD
1h 35mdirect
8:17 a.m. - 9:58 a.m.IAD-YOW
1h 41mdirect
C$ 720
Find Deal
Wed, 16 Apr - Mon, 28 Apr

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

Our best Porter Airlines deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets
Porter Airlines
9 Jan
YOW7:00 a.m.Ottawa
5h 49m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
12 Jan
IAD2:00 p.m.Washington, D.C. Dulles Intl
4h 39m
1 stop
YOW6:39 p.m.Ottawa
Porter Airlines
16 Jan
YOW9:30 a.m.Ottawa
3h 19m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
30 Jan
IAD2:10 p.m.Washington, D.C. Dulles Intl
6h 24m
1 stop
YOW8:34 p.m.Ottawa
Porter Airlines
15 Jan
YOW8:40 a.m.Ottawa
4h 09m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
22 Jan
IAD2:10 p.m.Washington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 p.m.Ottawa

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

Our best United Airlines deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
14 Jan
YOW6:00 a.m.Ottawa
5h 41m
1 stop
IAD11:41 a.m.Washington, D.C. Dulles Intl
14 Jan
IAD10:24 p.m.Washington, D.C. Dulles Intl
17h 52m
2 stops
YOW4:16 p.m.Ottawa
United Airlines
18 Jan
YOW9:45 a.m.Ottawa
1h 53m
IAD11:38 a.m.Washington, D.C. Dulles Intl
22 Jan
IAD5:08 p.m.Washington, D.C. Dulles Intl
1h 46m
YOW6:54 p.m.Ottawa
United Airlines
31 Dec
YOW9:45 a.m.Ottawa
1h 53m
IAD11:38 a.m.Washington, D.C. Dulles Intl
31 Dec
IAD5:37 p.m.Washington, D.C. Dulles Intl
4h 24m
1 stop
YOW10:01 p.m.Ottawa

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Ottawa to Washington, D.C. Dulles Intl Airport

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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

The cheapest month to fly to Washington, D.C. Dulles Intl Airport from Ottawa is in June. Flight prices, which tend to average around C$ 420, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. Dulles Intl Airport in June, then you should wait until January to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 451.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

According to our data, Saturday is the cheapest day to fly to Washington, D.C. Dulles Intl Airport from Ottawa. The lowest ticket price found for a Saturday departure recently was C$ 423. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Washington, D.C. Dulles Intl Airport on Tuesday is C$ 556.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our most recent data shows that the best time of day to fly to Washington, D.C. Dulles Intl Airport is in the afternoon. Flights from Ottawa to Washington, D.C. Dulles Intl Airport during this time can be as low as C$ 450. At noon is when there is more demand to fly to Washington, D.C. Dulles Intl Airport, so prices are often more expensive at around C$ 593 per ticket.

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

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

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

Most flyers found that booking tickets 29 days in advance of their planned departure date is the best time to get cheap flights to Washington, D.C. Dulles Intl Airport. During this timeframe, flight prices are around C$ 527. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as C$ 465.

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

There are 4 cabin classes available to choose from on Ottawa to Washington, D.C. Dulles Intl 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 Ottawa to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 6% on your flight if you consider stops on a Ottawa to Washington, D.C. Dulles Intl Airport flight.

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

As of December 2024, prices for Ottawa to Washington, D.C. Dulles Intl Airport flights are approximately 18% more expensive when compared to flights at the same time last year.

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

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

Cheap Ottawa to Washington, D.C. Dulles Intl Airport (YOW to IAD) flight deals and tips

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

Best price found

C$ 191

Fastest flight time

1h 35m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Ottawa in the past 72 hours is C$ 191. The best round-trip flight deal from Ottawa to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is C$ 314.
The fastest flight from Ottawa to Washington, D.C. Dulles Intl Airport takes 1h 35m
Direct flights go from Ottawa to Washington, D.C. Dulles Intl Airport every day.

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

    Washington, D.C. Dulles Intl is 732.9 km away from Ottawa. 1h 35m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Ottawa Airport to Washington, D.C. Dulles Intl Airport?

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

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 Ottawa to Washington, D.C. Dulles Intl Airport?

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


Best airlines flying from Ottawa to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 257Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 365Free CancellationRating
7.9
283 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 409Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
  • United Airlines Flights From Ottawa to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 9 flights from Ottawa to Washington, D.C. Dulles Intl Airport every week. The average price of these flights found in the last 72 hours has been C$ 386, but momondo users have found United Airlines deals from Ottawa to Washington, D.C. Dulles Intl Airport from as low as C$ 180 round-trip. United Airlines has been scored 7.4/10 in 9,055 reviews.

  • Air Canada Flights From Ottawa to Washington, D.C. Dulles Intl Airport

    Air Canada is also a popular choice for this route. Air Canada flight deals for Ottawa to Washington, D.C. Dulles Intl Airport start from as low as C$ 287 round-trip, depending on your selected dates, with average Air Canada deals seen on momondo around C$ 406. Air Canada operates 9 flights to Washington, D.C. Dulles Intl Airport from Ottawa in an average week. Users have rated it 7.0/10 across 8,382 reviews.


Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ottawa.

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

Price alerts on flights to Washington, D.C. from Ottawa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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