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Cheap flights from Ottawa to Washington, D.C. Dulles Intl Airport from C$ 187

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 26/2. 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 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.

Find recent round-trip train or bus tickets from Ottawa to Washington, D.C..

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

The cheapest plane tickets from Ottawa to Washington, D.C. found on KAYAK recently.
9:30 a.m. - 12:49 p.m.YOW-IAD
3h 19m1 stop
2:00 p.m. - 6:39 p.m.IAD-YOW
4h 39m1 stop
C$ 297Porter Airlines
Find Deal
Thu, 13 Feb - Sun, 16 Feb
9:30 a.m. - 12:49 p.m.YOW-IAD
3h 19m1 stop
2:00 p.m. - 6:39 p.m.IAD-YOW
4h 39m1 stop
C$ 311Porter Airlines
Find Deal
Thu, 13 Feb - Sun, 16 Feb
8:40 a.m. - 12:49 p.m.YOW-IAD
4h 09m1 stop
2:00 p.m. - 6:39 p.m.IAD-YOW
4h 39m1 stop
C$ 317Porter Airlines
Find Deal
Thu, 13 Feb - Sun, 16 Feb
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$ 348Air Canada
Find Deal
Tue, 18 Feb - Tue, 25 Feb
7:00 a.m. - 12:49 p.m.YOW-IAD
5h 49m1 stop
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 360
Find Deal
Thu, 13 Feb - Sun, 16 Feb
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
2:35 p.m. - 7:22 p.m.IAD-YOW
4h 47m1 stop
C$ 366Air Canada
Find Deal
Tue, 18 Feb - Tue, 25 Feb
7:00 a.m. - 12:49 p.m.YOW-IAD
5h 49m1 stop
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 429
Find Deal
Thu, 20 Feb - Sun, 23 Feb
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
3:47 p.m. - 10:05 p.m.IAD-YOW
6h 18m1 stop
C$ 595United Airlines
Find Deal
Mon, 10 Mar - Fri, 4 Apr
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
12:50 p.m. - 2:29 p.m.IAD-YOW
1h 39mdirect
C$ 597Lufthansa
Find Deal
Thu, 13 Feb - Sun, 16 Feb
7:29 p.m. - 9:15 p.m.YOW-IAD
1h 46mdirect
5:17 p.m. - 10:05 p.m.IAD-YOW
4h 48m1 stop
C$ 631United Airlines
Find Deal
Thu, 10 Apr - Sat, 19 Apr
9:30 a.m. - 12:49 p.m.YOW-IAD
3h 19m1 stop
C$ 187Porter Airlines
Find Deal
Wed, 26 Feb
5:45 p.m. - 10:24 p.m.YOW-IAD
4h 39m1 stop
C$ 190Porter Airlines
Find Deal
Tue, 4 Mar
7:00 a.m. - 12:49 p.m.YOW-IAD
5h 49m1 stop
C$ 191Porter Airlines
Find Deal
Wed, 12 Feb
8:40 a.m. - 12:59 p.m.YOW-IAD
4h 19m1 stop
C$ 200Porter Airlines
Find Deal
Thu, 20 Mar
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
C$ 209Air Canada
Find Deal
Wed, 26 Feb
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
C$ 210Air Canada
Find Deal
Wed, 12 Mar
5:55 a.m. - 12:49 p.m.YOW-IAD
6h 54m1 stop
C$ 292
Find Deal
Wed, 12 Feb
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
C$ 314United Airlines
Find Deal
Tue, 4 Mar
4:10 p.m. - 12:49 p.m.YOW-IAD
20h 39m2 stops
C$ 318
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Wed, 12 Feb
5:50 p.m. - 11:04 p.m.YOW-IAD
5h 14m1 stop
C$ 321United Airlines
Find Deal
Tue, 4 Mar
8:35 a.m. - 12:49 p.m.YOW-IAD
4h 14m1 stop
2:10 p.m. - 8:34 p.m.IAD-YOW
6h 24m1 stop
C$ 721Porter Airlines
Find Deal
Sun, 26 Jan - Mon, 27 Jan
8:35 a.m. - 12:49 p.m.YOW-IAD
4h 14m1 stop
2:00 p.m. - 8:34 p.m.IAD-YOW
6h 34m1 stop
C$ 723Porter Airlines
Find Deal
Sun, 26 Jan - Sun, 2 Feb
6:00 a.m. - 9:14 p.m.YOW-IAD
15h 14m2 stops
8:15 a.m. - 1:23 p.m.IAD-YOW
5h 08m1 stop
C$ 764United Airlines
Find Deal
Sun, 26 Jan - Mon, 27 Jan
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
3:55 p.m. - 10:08 p.m.IAD-YOW
6h 13m1 stop
C$ 815Air Canada
Find Deal
Sun, 26 Jan - Wed, 29 Jan
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
12:38 p.m. - 5:22 p.m.IAD-YOW
4h 44m1 stop
C$ 823Air Canada
Find Deal
Sun, 26 Jan - Mon, 27 Jan
6:00 a.m. - 7:31 a.m.YOW-IAD
25h 31m2 stops
6:05 a.m. - 1:23 p.m.IAD-YOW
7h 18m2 stops
C$ 1,130
Find Deal
Sun, 26 Jan - Wed, 29 Jan
5:55 a.m. - 3:53 p.m.YOW-IAD
9h 58m2 stops
2:00 p.m. - 8:34 p.m.IAD-YOW
6h 34m1 stop
C$ 1,143
Find Deal
Sun, 26 Jan - Sun, 2 Feb
2:10 p.m. - 9:14 p.m.YOW-IAD
7h 04m2 stops
5:45 p.m. - 10:01 p.m.IAD-YOW
4h 16m1 stop
C$ 1,172United Airlines
Find Deal
Wed, 22 Jan - Wed, 29 Jan
5:55 a.m. - 11:16 p.m.YOW-IAD
17h 21m2 stops
6:00 a.m. - 7:23 p.m.IAD-YOW
13h 23m2 stops
C$ 1,278WestJet
Find Deal
Sun, 26 Jan - Mon, 27 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$ 1,324WestJet
Find Deal
Wed, 22 Jan - Wed, 29 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$ 348Air Canada
Find Deal
Tue, 18 Feb - Tue, 25 Feb
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
12:50 p.m. - 2:29 p.m.IAD-YOW
1h 39mdirect
C$ 370Air Canada
Find Deal
Thu, 13 Feb - Sun, 16 Feb
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
12:50 p.m. - 2:29 p.m.IAD-YOW
1h 39mdirect
C$ 383Air Canada
Find Deal
Wed, 5 Feb - Sun, 16 Feb
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
10:15 p.m. - 11:54 p.m.IAD-YOW
1h 39mdirect
C$ 384Air Canada
Find Deal
Thu, 20 Feb - Mon, 24 Feb
2:45 p.m. - 4:28 p.m.YOW-IAD
1h 43mdirect
8:17 a.m. - 9:58 a.m.IAD-YOW
1h 41mdirect
C$ 386Air Canada
Find Deal
Thu, 3 Apr - Mon, 7 Apr
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
12:50 p.m. - 2:29 p.m.IAD-YOW
1h 39mdirect
C$ 469
Find Deal
Thu, 13 Feb - Sun, 16 Feb
2:45 p.m. - 4:28 p.m.YOW-IAD
1h 43mdirect
10:14 p.m. - 11:53 p.m.IAD-YOW
1h 39mdirect
C$ 511
Find Deal
Tue, 1 Apr - Tue, 8 Apr
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
8:17 a.m. - 9:58 a.m.IAD-YOW
1h 41mdirect
C$ 595United Airlines
Find Deal
Mon, 10 Mar - Thu, 3 Apr
9:45 a.m. - 11:38 a.m.YOW-IAD
1h 53mdirect
12:50 p.m. - 2:29 p.m.IAD-YOW
1h 39mdirect
C$ 597Lufthansa
Find Deal
Thu, 13 Feb - Sun, 16 Feb
7:30 p.m. - 9:23 p.m.YOW-IAD
1h 53mdirect
12:50 p.m. - 2:29 p.m.IAD-YOW
1h 39mdirect
C$ 662United Airlines
Find Deal
Thu, 13 Feb - Sun, 16 Feb

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
13 Feb
YOW9:30 a.m.Ottawa
3h 19m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
16 Feb
IAD2:00 p.m.Washington, D.C. Dulles Intl
4h 39m
1 stop
YOW6:39 p.m.Ottawa
Porter Airlines
13 Feb
YOW9:30 a.m.Ottawa
3h 19m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
16 Feb
IAD2:00 p.m.Washington, D.C. Dulles Intl
4h 39m
1 stop
YOW6:39 p.m.Ottawa
Porter Airlines
13 Feb
YOW8:40 a.m.Ottawa
4h 09m
1 stop
IAD12:49 p.m.Washington, D.C. Dulles Intl
16 Feb
IAD2:00 p.m.Washington, D.C. Dulles Intl
4h 39m
1 stop
YOW6:39 p.m.Ottawa

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

Our best Air Canada deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
18 Feb
YOW7:30 p.m.Ottawa
1h 53m
IAD9:23 p.m.Washington, D.C. Dulles Intl
25 Feb
IAD10:15 p.m.Washington, D.C. Dulles Intl
1h 39m
YOW11:54 p.m.Ottawa
Air Canada
18 Feb
YOW7:30 p.m.Ottawa
1h 53m
IAD9:23 p.m.Washington, D.C. Dulles Intl
25 Feb
IAD2:35 p.m.Washington, D.C. Dulles Intl
4h 47m
1 stop
YOW7:22 p.m.Ottawa
Air Canada
5 Mar
YOW7:30 p.m.Ottawa
1h 53m
IAD9:23 p.m.Washington, D.C. Dulles Intl
12 Mar
IAD10:35 a.m.Washington, D.C. Dulles Intl
4h 37m
1 stop
YOW3:12 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$ 423, 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 September to fly from Ottawa, when ticket prices are also cheap, with an average price of C$ 464.

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$ 426. 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$ 561.

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$ 454. 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$ 598 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?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Ottawa when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around C$ 546 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Ottawa for as low as C$ 390 on momondo.

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.

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

As of January 2025, prices for Ottawa to Washington, D.C. Dulles Intl Airport flights are approximately 20% 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$ 187

Fastest flight time

1h 43m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat
The best one-way flight to Washington, D.C. Dulles Intl Airport from Ottawa in the past 72 hours is C$ 187. 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$ 297.
The fastest flight from Ottawa to Washington, D.C. Dulles Intl Airport takes 1h 43m
Direct flights go from Ottawa to Washington, D.C. Dulles Intl Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. Airlines offering direct flights are: United Airlines and Air Canada.

  • 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 43m 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$ 259Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
Porter AirlinesPriceFrom C$ 378Free CancellationRating
7.9
277 reviews
Search Porter Airlines flights
Air CanadaPriceFrom C$ 413Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
  • United Airlines Flights From Ottawa to Washington, D.C. Dulles Intl Airport

    United Airlines operates around 12 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 8,984 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$ 415. Air Canada operates 14 flights to Washington, D.C. Dulles Intl Airport from Ottawa in an average week. Users have rated it 7.0/10 across 8,633 reviews.


Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Winchester
Fairfax
Laurel
Bethesda
National Harbor
Herndon
Luray
Arlington
Linthicum Heights
Manassas
Fredericksburg
Alexandria
Silver Spring
Rockville
Reston
Chantilly
Pikesville
Capitol Heights
Gettysburg
Charles Town

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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