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Cheap flights from Washington, D.C. to Ottawa from $113

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 1/13. 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 to Ottawa

The cheapest plane tickets to Ottawa found on KAYAK recently.
2:10 pm - 6:34 pmIAD-YOW
4h 24m1 stop
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
$261Porter Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
2:10 pm - 6:34 pmIAD-YOW
4h 24m1 stop
8:40 am - 12:49 pmYOW-IAD
4h 09m1 stop
$265Porter Airlines
Find Deal
Thu, Jan 16 - Thu, Jan 23
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$293Air Canada
Find Deal
Fri, Jan 17 - Tue, Jan 21
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$293Air Canada
Find Deal
Wed, Jan 8 - Thu, Jan 9
6:20 am - 8:20 pmBWI-YOW
14h 00m1 stop
9:20 am - 11:59 pmYOW-BWI
14h 39m1 stop
Thu, Jan 30 - Mon, Feb 3
6:20 am - 8:20 pmBWI-YOW
14h 00m1 stop
8:00 am - 11:59 pmYOW-BWI
15h 59m2 stops
Thu, Jan 30 - Mon, Feb 3
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$487United Airlines
Find Deal
Fri, Feb 14 - Wed, Feb 19
6:00 am - 12:09 amIAD-YOW
18h 09m2 stops
5:55 am - 11:16 pmYOW-IAD
17h 21m2 stops
$500WestJet
Find Deal
Sat, Feb 1 - Sun, Feb 2
6:59 am - 1:23 pmDCA-YOW
6h 24m1 stop
2:10 pm - 7:57 pmYOW-DCA
5h 47m1 stop
$508United Airlines
Find Deal
Fri, Feb 14 - Wed, Feb 19
6:00 am - 5:33 amIAD-YOW
23h 33m3 stops
5:55 am - 11:16 pmYOW-IAD
17h 21m2 stops
$525WestJet
Find Deal
Thu, Jan 30 - Sun, Feb 2
2:10 pm - 8:34 pmIAD-YOW
6h 24m1 stop
$113Porter Airlines
Find Deal
Mon, Jan 13
10:45 am - 8:17 pmBWI-YOW
9h 32m1 stop
Mon, Jan 13
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
$132Air Canada
Find Deal
Mon, Jan 13
7:00 am - 11:54 amIAD-YOW
4h 54m1 stop
$135Porter Airlines
Find Deal
Sun, Apr 13
1:45 pm - 5:09 pmIAD-YOW
3h 24m1 stop
$136Porter Airlines
Find Deal
Mon, Mar 31
8:17 am - 9:58 amIAD-YOW
1h 41mnonstop
$145Air Canada
Find Deal
Mon, Mar 31
12:55 pm - 12:10 amDCA-YOW
11h 15m2 stops
$221WestJet
Find Deal
Mon, Jan 13
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
$247United Airlines
Find Deal
Mon, Jan 13
6:00 am - 12:09 amDCA-YOW
18h 09m2 stops
$247WestJet
Find Deal
Sun, Apr 13
10:24 pm - 1:20 pmIAD-YOW
14h 56m2 stops
$256United Airlines
Find Deal
Mon, Jan 13
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
7:00 am - 12:59 pmYOW-IAD
5h 59m1 stop
$644Porter Airlines
Find Deal
Sat, Dec 21 - Sat, Jan 4
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
8:35 am - 12:59 pmYOW-IAD
4h 24m1 stop
$654Porter Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 29
7:00 am - 11:51 amIAD-YOW
4h 51m1 stop
4:15 pm - 7:40 amYOW-IAD
15h 25m1 stop
Sun, Dec 22 - Tue, Dec 24
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$798Air Canada
Find Deal
Mon, Dec 23 - Mon, Dec 30
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$798Air Canada
Find Deal
Mon, Dec 23 - Mon, Dec 30
6:55 am - 5:44 pmBWI-YOW
10h 49m1 stop
4:35 pm - 11:41 pmYOW-BWI
7h 06m1 stop
Sat, Dec 21 - Wed, Jan 1
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
6:00 am - 11:41 amYOW-IAD
5h 41m1 stop
$809United Airlines
Find Deal
Sat, Dec 21 - Sun, Dec 29
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$889United Airlines
Find Deal
Sat, Dec 21 - Sat, Jan 4
2:05 pm - 12:46 amBWI-YOW
34h 41m2 stops
5:55 am - 11:44 pmYOW-BWI
17h 49m2 stops
$1,374WestJet
Find Deal
Sat, Dec 21 - Sat, Jan 4
6:00 am - 12:10 amDCA-YOW
18h 10m2 stops
5:55 am - 4:52 pmYOW-DCA
10h 57m2 stops
$1,424WestJet
Find Deal
Fri, Dec 20 - Mon, Dec 23
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$293Air Canada
Find Deal
Fri, Jan 17 - Tue, Jan 21
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$293Air Canada
Find Deal
Wed, Jan 8 - Thu, Jan 9
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$315Air Canada
Find Deal
Sun, Feb 9 - Tue, Feb 25
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$336Air Canada
Find Deal
Thu, Feb 13 - Wed, Feb 19
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$336Air Canada
Find Deal
Mon, Mar 3 - Thu, Mar 6
12:55 pm - 2:27 pmDCA-YOW
1h 32mnonstop
10:25 am - 12:01 pmYOW-DCA
1h 36mnonstop
$379Air Canada
Find Deal
Fri, Apr 11 - Sun, Apr 13
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
Thu, Jan 16 - Sun, Jan 19
12:55 pm - 2:35 pmDCA-YOW
1h 40mnonstop
10:30 am - 12:20 pmYOW-DCA
1h 50mnonstop
$487United Airlines
Find Deal
Fri, Feb 14 - Wed, Feb 19
5:08 pm - 6:54 pmIAD-YOW
1h 46mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$514United Airlines
Find Deal
Wed, Jan 15 - Wed, Jan 22
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:23 pmYOW-IAD
1h 53mnonstop
$549United Airlines
Find Deal
Thu, Feb 13 - Tue, Feb 18

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

Our best Porter Airlines deals on Washington, D.C. to Ottawa flight tickets
Porter Airlines
Jan 15
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa
Jan 22
YOW7:00 amOttawa
5h 49m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Porter Airlines
Jan 16
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa
Jan 23
YOW8:40 amOttawa
4h 09m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Porter Airlines
Jan 30
IAD2:10 pmWashington, D.C. Dulles Intl
4h 24m
1 stop
YOW6:34 pmOttawa
Feb 3
YOW9:30 amOttawa
3h 19m
1 stop
IAD12:49 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
Jan 17
DCA12:55 pmWashington, D.C. Reagan-National
1h 40m
YOW2:35 pmOttawa
Jan 21
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Air Canada
Jan 30
DCA6:00 amWashington, D.C. Reagan-National
3h 42m
1 stop
YOW9:42 amOttawa
Feb 3
YOW10:30 amOttawa
1h 50m
DCA12:20 pmWashington, D.C. Reagan-National
Air Canada
Jan 15
DCA12:55 pmWashington, D.C. Reagan-National
1h 40m
YOW2:35 pmOttawa
Jan 15
YOW6:10 pmOttawa
4h 27m
1 stop
DCA10:37 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 $264. The month of May is another great option to travel to Ottawa, with average flight prices from Washington, D.C. averaging around $296.

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

How far in advance should I book a flight to Ottawa?

We recommend purchasing flights from Washington, D.C. to Ottawa 38 days ahead of your departure date because this is when momondo users tend to see the best flight rates. On average, our users have found flights to Ottawa for $398. In the past 72 hours, momondo users found flights from Washington, D.C. to Ottawa for as low as $202.

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

There are 2 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.

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

You could potentially save up to 14% on your flight if you consider stops on a Washington, D.C. to Ottawa flight.

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

As of December 2024, prices for Washington, D.C. to Ottawa flights are approximately 22% 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

$113

Fastest flight time

1h 32m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. in the past 72 hours is $113. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is $261.
The fastest flight from Washington, D.C. to Ottawa takes 1h 32m
Direct flights go from Washington, D.C. to Ottawa on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines and Air Canada.
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
8,391 reviews
Search Air Canada flights
United AirlinesPriceFrom $209Free CancellationRating
7.4
9,048 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $273Free CancellationRating
7.9
283 reviews
Search Porter Airlines flights
Air TransatPriceFrom $347Free CancellationRating
7.8
388 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 16 flights on this route every week with an average price of $634. United Airlines is rated 7.4/10 by our users.

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

    Across 8,391 Air Canada reviews on momondo, the average score is 7.0/10. Air Canada flies from Washington, D.C. to Ottawa about 16 times each week, with ticket deals ranging from $155 to $496. Price data is based on momondo searches in the last 72 hours.


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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