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Cheap flights from Ottawa to Washington, D.C. Dulles Intl Airport from $171

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 12/12. 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.

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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 am - 12:59 pmYOW-IAD
5h 59m1 stop
7:00 am - 11:51 amIAD-YOW
4h 51m1 stop
$284Porter Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
10:35 am - 3:12 pmIAD-YOW
4h 37m1 stop
$285Air Canada
Find Deal
Mon, Mar 24 - Tue, Mar 25
5:45 pm - 10:24 pmYOW-IAD
4h 39m1 stop
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
$288Porter Airlines
Find Deal
Fri, Dec 13 - Tue, Dec 17
5:45 pm - 10:24 pmYOW-IAD
4h 39m1 stop
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
$297Porter Airlines
Find Deal
Fri, Dec 13 - Mon, Dec 16
8:35 am - 12:59 pmYOW-IAD
4h 24m1 stop
7:00 am - 11:54 amIAD-YOW
4h 54m1 stop
$298Porter Airlines
Find Deal
Mon, Mar 17 - Sun, Mar 23
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
8:24 am - 12:18 pmIAD-YOW
3h 54m1 stop
$360Air Canada
Find Deal
Fri, Dec 13 - Sun, Feb 23
5:30 am - 9:46 amYOW-IAD
4h 16m1 stop
12:55 pm - 10:01 pmIAD-YOW
9h 06m2 stops
$373United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 14
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$407United Airlines
Find Deal
Fri, Dec 13 - Sun, Dec 15
5:55 am - 3:53 pmYOW-IAD
9h 58m2 stops
12:27 pm - 12:10 amIAD-YOW
11h 43m2 stops
$504WestJet
Find Deal
Tue, Jan 28 - Thu, Jan 30
5:55 am - 4:43 pmYOW-IAD
10h 48m2 stops
6:00 am - 12:10 amIAD-YOW
18h 10m2 stops
$655WestJet
Find Deal
Tue, Dec 3 - Fri, Jan 3
5:45 pm - 10:24 pmYOW-IAD
4h 39m1 stop
$171Porter Airlines
Find Deal
Thu, Dec 12
8:35 am - 12:49 pmYOW-IAD
4h 14m1 stop
$174Porter Airlines
Find Deal
Tue, Feb 18
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
$176Air Canada
Find Deal
Tue, Feb 18
9:45 am - 11:43 amYOW-IAD
1h 58mnonstop
$223Air Canada
Find Deal
Thu, Dec 12
4:20 pm - 11:14 amYOW-IAD
18h 54m2 stops
Sun, Dec 8
9:20 am - 9:20 pmYOW-IAD
12h 00m2 stops
Tue, Dec 17
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$259United Airlines
Find Deal
Tue, Jan 14
5:50 pm - 7:29 amYOW-IAD
13h 39m2 stops
$311United Airlines
Find Deal
Sun, Dec 15
6:15 am - 6:55 pmYOW-IAD
36h 40m3 stops
$350WestJet
Find Deal
Tue, Jan 14
5:55 am - 3:35 pmYOW-IAD
9h 40m2 stops
$649WestJet
Find Deal
Thu, Dec 26
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
8:24 am - 1:20 pmIAD-YOW
4h 56m1 stop
$681United Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 23
5:50 pm - 10:48 pmYOW-IAD
4h 58m1 stop
8:24 am - 1:20 pmIAD-YOW
4h 56m1 stop
$686United Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 23
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
10:16 pm - 10:31 amIAD-YOW
12h 15m1 stop
$699Air Canada
Find Deal
Fri, Nov 22 - Sat, Nov 23
6:25 am - 5:40 pmYOW-IAD
11h 15m2 stops
7:00 am - 11:51 amIAD-YOW
4h 51m1 stop
Sat, Nov 23 - Sun, Nov 24
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
8:24 am - 1:20 pmIAD-YOW
4h 56m1 stop
$911United Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
3:11 pm - 8:18 pmYOW-IAD
5h 07m1 stop
8:24 am - 1:20 pmIAD-YOW
4h 56m1 stop
$917United Airlines
Find Deal
Thu, Nov 21 - Sat, Nov 23
9:45 am - 11:43 amYOW-IAD
1h 58mnonstop
12:51 pm - 9:37 pmIAD-YOW
8h 46m2 stops
$935United Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 23
6:15 am - 11:49 amYOW-IAD
29h 34m2 stops
5:25 pm - 8:50 pmIAD-YOW
27h 25m2 stops
$990WestJet
Find Deal
Sat, Nov 23 - Sun, Nov 24
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
5:25 pm - 8:52 amIAD-YOW
15h 27m2 stops
Thu, Nov 21 - Sat, Nov 23
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
$1,113Air Canada
Find Deal
Fri, Nov 22 - Sat, Nov 23
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$407United Airlines
Find Deal
Fri, Dec 13 - Sun, Dec 15
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
$409Air Canada
Find Deal
Fri, Dec 13 - Tue, Dec 17
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$411Air Canada
Find Deal
Fri, Jan 17 - Tue, Jan 21
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$422Air Canada
Find Deal
Fri, Dec 13 - Mon, Dec 16
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$441United Airlines
Find Deal
Thu, Dec 12 - Sun, Dec 15
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$444Air Canada
Find Deal
Mon, Mar 17 - Sun, Mar 23
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
$445United Airlines
Find Deal
Fri, Dec 13 - Sun, Feb 23
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
$453Air Canada
Find Deal
Wed, Dec 25 - Wed, Jan 1
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
$463Air Canada
Find Deal
Tue, Dec 24 - Thu, Dec 26
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
Mon, Mar 24 - Tue, Mar 25

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
Mar 24
YOW7:30 pmOttawa
1h 53m
IAD9:23 pmWashington, D.C. Dulles Intl
Mar 25
IAD10:35 amWashington, D.C. Dulles Intl
4h 37m
1 stop
YOW3:12 pmOttawa
Air Canada
Dec 13
YOW7:30 pmOttawa
1h 50m
IAD9:20 pmWashington, D.C. Dulles Intl
Feb 23
IAD8:24 amWashington, D.C. Dulles Intl
3h 54m
1 stop
YOW12:18 pmOttawa
Air Canada
Dec 13
YOW7:30 pmOttawa
1h 50m
IAD9:20 pmWashington, D.C. Dulles Intl
Feb 23
IAD8:24 amWashington, D.C. Dulles Intl
3h 54m
1 stop
YOW12:18 pmOttawa

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

Our best WestJet deals on Ottawa to Washington, D.C. Dulles Intl Airport flight tickets
WestJet
Jan 28
YOW5:55 amOttawa
9h 58m
2 stops
IAD3:53 pmWashington, D.C. Dulles Intl
Jan 30
IAD12:27 pmWashington, D.C. Dulles Intl
11h 43m
2 stops
YOW12:10 amOttawa
WestJet
Dec 3
YOW5:55 amOttawa
10h 48m
2 stops
IAD4:43 pmWashington, D.C. Dulles Intl
Jan 3
IAD6:00 amWashington, D.C. Dulles Intl
18h 10m
2 stops
YOW12:10 amOttawa
WestJet
Jan 29
YOW5:55 amOttawa
9h 58m
2 stops
IAD3:53 pmWashington, D.C. Dulles Intl
Jan 31
IAD6:00 amWashington, D.C. Dulles Intl
13h 23m
2 stops
YOW7:23 pmOttawa

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 from Ottawa to Washington, D.C. Dulles Intl Airport?

June. The cheapest time of year to fly to Washington, D.C. Dulles Intl Airport from Ottawa is June. Most expensive is February

What is the cheapest day to depart Ottawa for Washington, D.C. Dulles Intl Airport?

Thursday. The cheapest day of the week is typically Thursday. The most expensive is typically Monday

When is the cheapest time to fly from Ottawa to Washington, D.C. Dulles Intl Airport?

In the evening. Ottawa to Washington, D.C. Dulles Intl Airport flights are approximately 6% more expensive at noon than in the evening

How far in advance should you book Ottawa to Washington, D.C. Dulles Intl Airport flights?

29 days before. The cheapest time to buy a flight from Ottawa to Washington, D.C. Dulles Intl Airport is approximately 29 days to departure

Can stopping save me money on Ottawa to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 2% 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 November 2024, prices for Ottawa to Washington, D.C. Dulles Intl Airport flights are approximately 16% 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

$171

Fastest flight time

1h 50m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Ottawa in the past 72 hours is $171. The best round-trip flight deal from Ottawa to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $284.
The fastest flight from Ottawa to Washington, D.C. Dulles Intl Airport takes 1h 50m
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?

    The distance between Ottawa and Washington, D.C. Dulles Intl is about 455.4 mi. By plane, this route typically takes 1h 50m.

  • 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 are updated 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl 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 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
Porter AirlinesPriceFrom $223Free CancellationRating
7.8
288 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $266Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
  • Air Canada Flights From Ottawa to Washington, D.C. Dulles Intl Airport

    Across 20 Air Canada flights from Ottawa to Washington, D.C. Dulles Intl Airport this week, the average price was $416, with the best Air Canada deals starting from $266 round-trip. 8,237 users have rated Air Canada on momondo, with an average score of 7.0/10.


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

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

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

All flight searches from Ottawa to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Ottawa to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Ottawa and alert you when they change.


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