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

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

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
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
4:05 pm - 10:01 pmDCA-YOW
5h 56m1 stop
$285United Airlines
Find Deal
Tue, Jan 14 - Tue, Jan 14
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
2:45 pm - 9:00 pmYOW-DCA
6h 15m1 stop
6:00 am - 9:42 amDCA-YOW
3h 42m1 stop
$310Air 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
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 - 4:48 pmYOW-BWI
10h 53m2 stops
12:41 pm - 12:10 amBWI-YOW
11h 29m2 stops
$523WestJet
Find Deal
Tue, Jan 21 - Sat, Jan 25
5:55 am - 4:48 pmYOW-BWI
10h 53m2 stops
12:21 pm - 12:10 amBWI-YOW
11h 49m2 stops
$557Delta
Find Deal
Wed, Jan 8 - Wed, Jan 15
5:55 am - 4:48 pmYOW-BWI
10h 53m2 stops
12:21 pm - 12:10 amBWI-YOW
11h 49m2 stops
$572Delta
Find Deal
Tue, Jan 28 - Thu, Jan 30
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
4:05 pm - 7:39 amYOW-BWI
15h 34m1 stop
Tue, Dec 17
2:50 pm - 7:39 amYOW-BWI
16h 49m2 stops
Tue, Dec 17
9:45 am - 11:43 amYOW-IAD
1h 58mnonstop
$223Air Canada
Find Deal
Thu, Dec 12
5:50 pm - 9:43 pmYOW-DCA
3h 53m1 stop
$228United Airlines
Find Deal
Sun, Dec 15
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$259United Airlines
Find Deal
Tue, Jan 14
6:15 am - 6:55 pmYOW-IAD
36h 40m3 stops
$350WestJet
Find Deal
Tue, Jan 14
5:55 am - 4:20 pmYOW-DCA
10h 25m2 stops
$441WestJet
Find Deal
Fri, Dec 20
4:05 pm - 12:33 amYOW-BWI
8h 28m1 stop
9:55 pm - 2:20 pmBWI-YOW
16h 25m2 stops
Thu, Nov 21 - Sat, Nov 23
4:05 pm - 12:44 amYOW-BWI
8h 39m1 stop
5:40 am - 2:20 pmBWI-YOW
8h 40m1 stop
Sat, Nov 23 - Sun, Nov 24
6:25 am - 9:55 pmYOW-BWI
15h 30m2 stops
5:40 am - 2:20 pmBWI-YOW
8h 40m1 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
$681United Airlines
Find Deal
Fri, Nov 22 - Sat, Nov 23
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
4:00 pm - 10:01 pmDCA-YOW
6h 01m1 stop
$681United Airlines
Find Deal
Sat, Nov 23 - Sun, Nov 24
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
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$722Air Canada
Find Deal
Sat, Nov 23 - Sun, Nov 24
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
6:15 am - 10:42 amYOW-DCA
28h 27m2 stops
6:55 pm - 8:50 pmDCA-YOW
25h 55m2 stops
$990WestJet
Find Deal
Sat, Nov 23 - Sun, Nov 24
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$398Air Canada
Find Deal
Fri, Dec 13 - Sun, Feb 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
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$408Air Canada
Find Deal
Sun, Mar 16 - Wed, Mar 19
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
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-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
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
Mon, Mar 24 - Tue, Mar 25
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

Air Canada flights from Ottawa to Washington, D.C.

Our best Air Canada deals on Ottawa to Washington, D.C. 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
YOW2:45 pmOttawa
6h 15m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
Feb 23
DCA6:00 amWashington, D.C. Reagan-National
3h 42m
1 stop
YOW9:42 amOttawa
Air Canada
Dec 13
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Feb 23
DCA6:00 amWashington, D.C. Reagan-National
3h 42m
1 stop
YOW9:42 amOttawa

WestJet flights from Ottawa to Washington, D.C.

Our best WestJet deals on Ottawa to Washington, D.C. 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
Jan 21
YOW5:55 amOttawa
10h 53m
2 stops
BWI4:48 pmBaltimore/Washington
Jan 25
BWI12:41 pmBaltimore/Washington
11h 29m
2 stops
YOW12:10 amOttawa
WestJet
Jan 21
YOW5:55 amOttawa
10h 50m
2 stops
DCA4:45 pmWashington, D.C. Reagan-National
Jan 25
DCA8:00 amWashington, D.C. Reagan-National
16h 10m
2 stops
YOW12:10 amOttawa

See travel insights to Washington, D.C. from

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

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.?

February. The cheapest time of year to fly to Washington, D.C. from Ottawa is February. Most expensive is October

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

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Wednesday

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

In the evening. Ottawa to Washington, D.C. flights are approximately 24% more expensive at noon than in the evening

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

Ottawa - Washington, D.C. Reagan-National. Fly from Ottawa to Washington, D.C. Reagan-National for the best Ottawa - Washington, D.C. flight prices

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

58 days before. The cheapest time to buy a flight from Ottawa to Washington, D.C. is approximately 58 days to departure

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

You could potentially save up to 2% on your flight if you consider stops on a Ottawa to Washington, D.C. flight.

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

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

What is the typical price of a round-trip flight between Ottawa and Washington, D.C.?


When to book flights from Ottawa to Washington, D.C.

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

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

Best Price Found

$171

Fastest flight time

1h 50m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Ottawa in the past 72 hours is $171. The best round-trip flight deal from Ottawa to Washington, D.C. found on momondo in the last 72 hours is $284.
The fastest flight from Ottawa to Washington, D.C. takes 1h 50m
Direct flights go from Ottawa to Washington, D.C. every day.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)

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

    The distance between Ottawa and Washington, D.C. is about 454.6 mi. In terms of flight time, this usually takes a little over 1h 50m.

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

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

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

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

    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 Ottawa Airport to Washington, D.C..

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

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

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


Best airlines flying from Ottawa to Washington, D.C.

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Porter AirlinesPriceFrom $223Free CancellationRating
7.8
288 reviews
Search Porter Airlines flights
Air CanadaPriceFrom $258Free CancellationRating
7.0
8,237 reviews
Search Air Canada flights
  • Air Canada Flights From Ottawa to Washington, D.C.

    Across 23 Air Canada flights from Ottawa to Washington, D.C. this week, the average price was $397, with the best Air Canada deals starting from $258 round-trip. 8,237 users have rated Air Canada on momondo, with an average score of 7.0/10.


Why use momondo?

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?

Flights from Ottawa to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Ottawa to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 not ready to book a flight from Ottawa to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.


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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.