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Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from $156

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. Dulles Intl Airport to Ottawa departing on 6/7. 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. Dulles Intl Airport to Ottawa

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Ottawa.
 Logo
4:20 pm - 12:22 amIAD-YOW
8h 02m1 stop
 Logo
5:55 am - 3:06 pmYOW-IAD
9h 11m1 stop
Tue, May 27 - Fri, May 30
Porter Airlines Logo
4:20 pm - 9:03 pmIAD-YOW
4h 43m1 stop
Porter Airlines Logo
7:00 am - 10:16 amYOW-IAD
3h 16m1 stop
$331Porter Airlines
Find Deal
Thu, Jun 12 - Thu, Jun 19
Air Canada Logo
8:18 am - 9:58 amIAD-YOW
1h 40mnonstop
Air Canada Logo
7:29 pm - 9:04 pmYOW-IAD
1h 35mnonstop
$380Air Canada
Find Deal
Sat, May 24 - Sat, May 31
Air Canada Logo
8:18 am - 9:58 amIAD-YOW
1h 40mnonstop
Air Canada Logo
9:50 am - 11:29 amYOW-IAD
1h 39mnonstop
$413Air Canada
Find Deal
Wed, Jun 18 - Wed, Jun 25
United Airlines Logo
12:35 pm - 2:07 pmIAD-YOW
1h 32mnonstop
United Airlines Logo
7:25 pm - 9:00 pmYOW-IAD
1h 35mnonstop
$628United Airlines
Find Deal
Wed, Oct 22 - Mon, Oct 27
United Airlines Logo
10:19 pm - 1:10 pmIAD-YOW
14h 51m2 stops
United Airlines Logo
10:37 am - 12:30 amYOW-IAD
13h 53m1 stop
$684United Airlines
Find Deal
Thu, Jul 10 - Tue, Jul 15
WestJet Logo
3:31 pm - 12:22 amIAD-YOW
8h 51m2 stops
WestJet Logo
5:15 pm - 5:54 pmYOW-IAD
24h 39m2 stops
$826WestJet
Find Deal
Thu, Jun 12 - Sun, Jun 15
Delta Logo
6:00 am - 12:22 amIAD-YOW
18h 22m2 stops
Delta Logo
6:05 am - 5:37 pmYOW-IAD
11h 32m2 stops
$877Delta
Find Deal
Sat, May 24 - Sat, May 31
WestJet Logo
1:00 pm - 12:22 amIAD-YOW
11h 22m2 stops
WestJet Logo
6:00 am - 5:50 pmYOW-IAD
11h 50m1 stop
$1,009WestJet
Find Deal
Sat, Sep 6 - Mon, Sep 8
Delta Logo
9:40 am - 12:22 amIAD-YOW
14h 42m2 stops
Delta Logo
5:55 am - 4:44 pmYOW-IAD
10h 49m2 stops
$1,061Delta
Find Deal
Fri, May 9 - Tue, May 13

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

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
Air Canada
May 24
IAD8:18 amWashington, D.C. Dulles Intl
1h 40m
YOW9:58 amOttawa
May 31
YOW7:29 pmOttawa
1h 35m
IAD9:04 pmWashington, D.C. Dulles Intl
Air Canada
Jun 18
IAD8:18 amWashington, D.C. Dulles Intl
1h 40m
YOW9:58 amOttawa
Jun 25
YOW9:50 amOttawa
1h 39m
IAD11:29 amWashington, D.C. Dulles Intl
Air Canada
May 26
IAD8:18 amWashington, D.C. Dulles Intl
1h 40m
YOW9:58 amOttawa
Jun 2
YOW7:29 pmOttawa
1h 35m
IAD9:04 pmWashington, D.C. Dulles Intl

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

Our best Porter Airlines deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
Porter Airlines
Jun 12
IAD4:20 pmWashington, D.C. Dulles Intl
4h 43m
1 stop
YOW9:03 pmOttawa
Jun 19
YOW7:00 amOttawa
3h 16m
1 stop
IAD10:16 amWashington, D.C. Dulles Intl
Porter Airlines
Jun 18
IAD4:20 pmWashington, D.C. Dulles Intl
4h 43m
1 stop
YOW9:03 pmOttawa
Jun 21
YOW9:35 amOttawa
5h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Porter Airlines
May 9
IAD11:35 amWashington, D.C. Dulles Intl
4h 58m
1 stop
YOW4:33 pmOttawa
May 13
YOW10:15 amOttawa
4h 51m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl

See travel insights to Ottawa from

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

What is the cheapest month to fly to Ottawa?

In general, April is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $291. The month of March is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $297.

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

The cheapest day to depart from Washington, D.C. Dulles Intl Airport to Ottawa is on a Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $426. 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 Ottawa on Tuesday is $546.

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

At noon is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Ottawa when you can find flight prices for as low as $348. Flying to Ottawa at noon 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 $648 on average. Flights to Ottawa from Washington, D.C. Dulles Intl Airport 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. Dulles Intl to Ottawa flight route?

Fly from Washington, D.C. Dulles Intl to Ottawa for the best Washington, D.C. Dulles Intl - Ottawa flight prices

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

You are more likely to see cheaper flights to Ottawa from Washington, D.C. Dulles Intl Airport when booking 10 weeks ahead of your departure date. In general, you can expect to find flights to Ottawa for around $392 when searching 10 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ottawa from Washington, D.C. Dulles Intl Airport for as low as $266 on momondo.

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

There are 2 cabin classes available to choose from on Washington, D.C. Dulles Intl 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. Dulles Intl Airport to Ottawa flight prices changed over time?

As of April 2025, prices for Washington, D.C. Dulles Intl Airport to Ottawa flights are approximately 3% cheaper when compared to flights at the same time last year.

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

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

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

Best Price Found

$156

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. Dulles Intl Airport in the past 72 hours is $156. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ottawa found on momondo in the last 72 hours is $326.
The fastest flight from Washington, D.C. Dulles Intl Airport to Ottawa takes 1h 32m
Direct flights go from Washington, D.C. Dulles Intl Airport to Ottawa every day.
There is 1 airport near Ottawa: Ottawa (YOW)

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

    There are 455.4 mi between Washington, D.C. Dulles Intl and Ottawa. By plane, this route typically takes 1h 32m.

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

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

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

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

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

    The travel and health documents required for your trip to Ottawa 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 Ottawa 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 Washington, D.C. Dulles Intl Airport to Ottawa?

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


Best airlines flying from Washington, D.C. Dulles Intl Airport to Ottawa

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $176Free CancellationRating
7.0
9,197 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $188Free CancellationRating
8.0
285 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $279Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
Air TransatPriceFrom $347Free CancellationRating
7.8
385 reviews
Search Air Transat flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Ottawa

    Across 21 United Airlines flights from Washington, D.C. Dulles Intl Airport to Ottawa this week, the average price was $563, with the best United Airlines deals starting from $279 round-trip. 8,685 users have rated United Airlines on momondo, with an average score of 7.4/10.

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

    Across 9,197 Air Canada reviews on momondo, the average score is 7.0/10. Air Canada flies from Washington, D.C. Dulles Intl Airport to Ottawa about 21 times each week, with ticket deals ranging from $176 to $437. 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
Calabogie
Pembroke
Smiths Falls
Prescott
Winchester
Wakefield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Ottawa for 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 all potential Washington, D.C. to Ottawa 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 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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