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Cheap flights from Washington, D.C. to Ottawa from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Ottawa departing on 2/26. 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 Washington, D.C. to Ottawa

Cheap round-trip flights

These are some of the best round-trip flight deals from Washington, D.C. to Ottawa 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 Washington, D.C. to Ottawa.

Cheap last minute flights

Planning a quick getaway from Washington, D.C. to Ottawa? 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 Ottawa, so you can enjoy a seamless trip without layovers.

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

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

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

The cheapest plane tickets from Washington, D.C. to Ottawa found on KAYAK recently.
2:10 pm - 6:14 pmIAD-YOW
4h 04m1 stop
9:30 am - 12:49 pmYOW-IAD
3h 19m1 stop
$250Porter Airlines
Find Deal
Sat, Feb 22 - Fri, Feb 28
2:10 pm - 8:34 pmIAD-YOW
6h 24m1 stop
9:20 am - 12:49 pmYOW-IAD
3h 29m1 stop
$254Porter Airlines
Find Deal
Tue, Feb 18 - Sat, Feb 22
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$293Air Canada
Find Deal
Mon, Feb 10 - Wed, Feb 12
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
$293Air Canada
Find Deal
Mon, Feb 10 - Wed, Feb 12
1:17 pm - 11:55 pmIAD-YOW
10h 38m2 stops
8:40 am - 12:49 pmYOW-IAD
4h 09m1 stop
Wed, Feb 5 - Wed, Feb 12
6:00 am - 5:44 pmBWI-YOW
11h 44m1 stop
9:25 am - 12:32 amYOW-BWI
15h 07m1 stop
Thu, Mar 6 - Thu, Mar 13
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
5:50 pm - 10:20 pmYOW-IAD
4h 30m1 stop
$474United Airlines
Find Deal
Tue, Feb 11 - Tue, Feb 11
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$486United Airlines
Find Deal
Mon, Feb 24 - Tue, Feb 25
12:41 pm - 12:09 amBWI-YOW
11h 28m2 stops
5:55 am - 11:05 pmYOW-BWI
17h 10m2 stops
$714WestJet
Find Deal
Wed, Feb 5 - Sat, Feb 8
6:00 am - 12:09 amBWI-YOW
18h 09m2 stops
5:55 am - 11:15 pmYOW-BWI
17h 20m2 stops
$745WestJet
Find Deal
Fri, Mar 28 - Sun, Mar 30
2:10 pm - 6:34 pmIAD-YOW
4h 24m1 stop
$109Porter Airlines
Find Deal
Wed, Feb 26
7:00 am - 11:14 amIAD-YOW
4h 14m1 stop
$112Porter Airlines
Find Deal
Wed, Mar 5
5:25 am - 5:55 pmBWI-YOW
12h 30m1 stop
Wed, Feb 26
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$130Air Canada
Find Deal
Wed, Mar 5
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
$130Air Canada
Find Deal
Wed, Mar 5
6:45 am - 5:55 pmBWI-YOW
11h 10m2 stops
Wed, Feb 26
10:24 pm - 4:16 pmIAD-YOW
17h 52m2 stops
$289United Airlines
Find Deal
Wed, Feb 26
12:41 pm - 12:10 amBWI-YOW
11h 29m2 stops
$300WestJet
Find Deal
Mon, Jan 27
2:35 pm - 12:10 amDCA-YOW
9h 35m2 stops
$303WestJet
Find Deal
Mon, Jan 27
12:55 pm - 2:27 pmDCA-YOW
1h 32mnonstop
$321United Airlines
Find Deal
Fri, Jun 6
11:07 am - 3:10 pmBWI-YOW
28h 03m3 stops
9:30 am - 10:59 amYOW-BWI
25h 29m3 stops
Fri, Jan 24 - Mon, Feb 3
8:15 am - 2:20 pmIAD-YOW
30h 05m1 stop
9:30 am - 12:49 pmYOW-IAD
3h 19m1 stop
Thu, Jan 23 - Thu, Jan 30
2:10 pm - 6:14 pmIAD-YOW
4h 04m1 stop
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
$522Porter Airlines
Find Deal
Sat, Jan 25 - Sat, Feb 8
2:10 pm - 6:34 pmIAD-YOW
4h 24m1 stop
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
$556Porter Airlines
Find Deal
Thu, Jan 23 - Mon, Feb 10
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$596Air Canada
Find Deal
Sat, Jan 25 - Mon, Feb 10
11:10 am - 3:03 pmDCA-YOW
3h 53m1 stop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$601Air Canada
Find Deal
Sat, Jan 25 - Mon, Feb 10
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$718United Airlines
Find Deal
Thu, Jan 23 - Mon, Feb 10
9:00 am - 1:20 pmDCA-YOW
4h 20m1 stop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$728United Airlines
Find Deal
Thu, Jan 23 - Mon, Feb 10
12:41 pm - 12:10 amBWI-YOW
11h 29m2 stops
5:55 am - 4:43 pmYOW-BWI
10h 48m2 stops
$1,078Delta
Find Deal
Fri, Jan 24 - Fri, Feb 7
12:41 pm - 12:10 amBWI-YOW
11h 29m2 stops
5:55 am - 4:48 pmYOW-BWI
10h 53m2 stops
$1,223Delta
Find Deal
Thu, Jan 23 - Sun, Jan 26
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$293Air Canada
Find Deal
Mon, Feb 10 - Wed, Feb 12
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
$293Air Canada
Find Deal
Mon, Feb 10 - Wed, Feb 12
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$299Air Canada
Find Deal
Thu, Feb 13 - Mon, Feb 17
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$300Air Canada
Find Deal
Thu, Feb 13 - Wed, Feb 19
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$306Air Canada
Find Deal
Mon, Feb 17 - Thu, Feb 20
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
$306Air Canada
Find Deal
Tue, Feb 18 - Tue, Feb 25
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
Fri, Feb 28 - Mon, Mar 3
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$486United Airlines
Find Deal
Mon, Feb 24 - Tue, Feb 25
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$487United Airlines
Find Deal
Sat, Feb 15 - Mon, Feb 17
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
$487United Airlines
Find Deal
Tue, Feb 18 - Tue, Feb 25

Porter Airlines flights from Washington, D.C. to Ottawa

Our best Porter Airlines deals on Washington, D.C. to Ottawa flight tickets
Porter Airlines
Feb 22
IAD2:10 pmWashington, D.C. Dulles Intl
4h 04m
1 stop
YOW6:14 pmOttawa
Feb 28
YOW9:30 amOttawa
3h 19m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Porter Airlines
Feb 18
IAD2:10 pmWashington, D.C. Dulles Intl
6h 24m
1 stop
YOW8:34 pmOttawa
Feb 22
YOW9:20 amOttawa
3h 29m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Porter Airlines
Feb 28
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa
Mar 3
YOW5:45 pmOttawa
4h 39m
1 stop
IAD10:24 pmWashington, D.C. Dulles Intl

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

Our best Air Canada deals on Washington, D.C. to Ottawa flight tickets
Air Canada
Feb 10
DCA12:55 pmWashington, D.C. Reagan-National
1h 40m
YOW2:35 pmOttawa
Feb 12
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Air Canada
Feb 10
DCA6:00 amWashington, D.C. Reagan-National
3h 42m
1 stop
YOW9:42 amOttawa
Feb 12
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Air Canada
Feb 13
DCA12:55 pmWashington, D.C. Reagan-National
1h 40m
YOW2:35 pmOttawa
Feb 17
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National

See travel insights to Ottawa from

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

What is the cheapest month to fly to Ottawa?

In general, April is the cheapest month to fly from Washington, D.C. to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. The month of January is another great option to travel to Ottawa, with average flight prices from Washington, D.C. averaging around $287.

What is the cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Washington, D.C. to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $320. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Sunday is $442.

What is the cheapest time of day to depart on your flight to Ottawa?

In the morning is the cheapest time of day to fly from Washington, D.C. to Ottawa when you can find flight prices for as low as $345. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $500 on average. Flights to Ottawa from Washington, D.C. in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

There are 3 cabin classes available to choose from on Washington, D.C. to Ottawa flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of January 2025, prices for Washington, D.C. to Ottawa flights are approximately 95% more expensive when compared to flights at the same time last year.

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

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

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

Best Price Found

$109

Fastest flight time

1h 32m

Direct flights

Every day

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. in the past 72 hours is $109. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is $250.
The fastest flight from Washington, D.C. to Ottawa takes 1h 32m
Direct flights go from Washington, D.C. to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)

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

    The straight-line distance from Washington, D.C. to Ottawa is 454.6 mi. 1h 32m is a normal flight duration for this route.

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

    Prices for flights from Washington, D.C. to Ottawa Airport were last updated today.

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

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

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

    The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

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


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

Compare and see reviews for airlines that fly from Washington, D.C. to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $155Free CancellationRating
7.0
8,635 reviews
Search Air Canada flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $298Free CancellationRating
7.9
277 reviews
Search Porter Airlines flights
Air TransatPriceFrom $347Free CancellationRating
7.8
381 reviews
Search Air Transat flights
  • United Airlines Flights From Washington, D.C. to Ottawa

    The lowest priced United Airlines flight from Washington, D.C. to Ottawa from the last 72 hours was $209. Generally, United Airlines has 21 flights on this route every week with an average price of $636. United Airlines is rated 7.4/10 by our users.

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

    Across 8,635 Air Canada reviews on momondo, the average score is 7.0/10. Air Canada flies from Washington, D.C. to Ottawa about 17 times each week, with ticket deals ranging from $155 to $391. Price data is based on momondo searches in the last 72 hours.


Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Brockville
Pembroke
Smiths Falls
Winchester
Prescott
Wakefield

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

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

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

Once you have performed a search for Washington, D.C. to Ottawa 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 Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?

Price alerts on flights to Ottawa from Washington, D.C. 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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