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Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from $105

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 5/14. 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
8:17 am - 9:58 amIAD-YOW
1h 41mnonstop
 Logo
8:35 am - 3:06 pmYOW-IAD
6h 31m1 stop
Thu, May 1 - Thu, May 8
Porter Airlines Logo
1:45 pm - 5:09 pmIAD-YOW
3h 24m1 stop
Porter Airlines Logo
7:00 am - 12:59 pmYOW-IAD
5h 59m1 stop
$215Porter Airlines
Find Deal
Mon, Apr 28 - Wed, Apr 30
Air Canada Logo
8:17 am - 9:58 amIAD-YOW
1h 41mnonstop
Air Canada Logo
7:29 pm - 9:13 pmYOW-IAD
1h 44mnonstop
$223Air Canada
Find Deal
Thu, May 1 - Thu, May 8
Air Canada Logo
8:17 am - 9:58 amIAD-YOW
1h 41mnonstop
Air Canada Logo
7:29 pm - 9:13 pmYOW-IAD
1h 44mnonstop
$259Air Canada
Find Deal
Sat, May 3 - Tue, May 6
United Airlines Logo
10:19 pm - 9:09 pmIAD-YOW
22h 50m2 stops
United Airlines Logo
6:05 am - 8:57 pmYOW-IAD
14h 52m2 stops
$603United Airlines
Find Deal
Wed, Apr 30 - Sat, May 3
WestJet Logo
6:45 pm - 6:21 pmIAD-YOW
23h 36m1 stop
WestJet Logo
5:15 pm - 5:54 pmYOW-IAD
24h 39m2 stops
$614WestJet
Find Deal
Mon, Jul 7 - Tue, Jul 22
WestJet Logo
6:45 pm - 2:56 pmIAD-YOW
20h 11m1 stop
WestJet Logo
5:15 pm - 5:54 pmYOW-IAD
24h 39m2 stops
$640WestJet
Find Deal
Fri, Aug 22 - Sun, Aug 24
United Airlines Logo
8:40 am - 9:10 pmIAD-YOW
12h 30m2 stops
United Airlines Logo
5:15 am - 4:18 pmYOW-IAD
11h 03m2 stops
$642United Airlines
Find Deal
Wed, Jun 18 - Wed, Jun 25
Delta Logo
1:00 pm - 12:22 amIAD-YOW
11h 22m2 stops
Delta Logo
5:55 am - 5:37 pmYOW-IAD
11h 42m2 stops
$1,215Delta
Find Deal
Sat, May 10 - Sat, May 17
Delta Logo
9:30 am - 12:22 amIAD-YOW
14h 52m2 stops
Delta Logo
5:55 am - 4:29 pmYOW-IAD
10h 34m2 stops
$1,481Delta
Find Deal
Fri, Jul 11 - Mon, Jul 14

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
Apr 28
IAD1:45 pmWashington, D.C. Dulles Intl
3h 24m
1 stop
YOW5:09 pmOttawa
Apr 30
YOW7:00 amOttawa
5h 59m
1 stop
IAD12:59 pmWashington, D.C. Dulles Intl
Porter Airlines
Apr 30
IAD7:00 amWashington, D.C. Dulles Intl
4h 14m
1 stop
YOW11:14 amOttawa
May 3
YOW9:35 amOttawa
5h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl
Porter Airlines
Apr 20
IAD7:00 amWashington, D.C. Dulles Intl
4h 54m
1 stop
YOW11:54 amOttawa
May 3
YOW9:35 amOttawa
5h 31m
1 stop
IAD3:06 pmWashington, D.C. Dulles Intl

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 1
IAD8:17 amWashington, D.C. Dulles Intl
1h 41m
YOW9:58 amOttawa
May 8
YOW7:29 pmOttawa
1h 44m
IAD9:13 pmWashington, D.C. Dulles Intl
Air Canada
May 3
IAD8:17 amWashington, D.C. Dulles Intl
1h 41m
YOW9:58 amOttawa
May 6
YOW7:29 pmOttawa
1h 44m
IAD9:13 pmWashington, D.C. Dulles Intl
Air Canada
Apr 30
IAD8:17 amWashington, D.C. Dulles Intl
1h 41m
YOW9:58 amOttawa
May 3
YOW9:05 amOttawa
4h 09m
1 stop
IAD1:14 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 cheapest month to fly to Ottawa?

In general, March 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 $308. The month of April is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $310.

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 $395 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 4% more expensive 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

$105

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 $105. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ottawa found on momondo in the last 72 hours is $214.
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
9,029 reviews
Search Air Canada flights
Porter AirlinesPriceFrom $188Free CancellationRating
7.9
279 reviews
Search Porter Airlines flights
United AirlinesPriceFrom $273Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
Air TransatPriceFrom $347Free CancellationRating
7.8
382 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 $561, with the best United Airlines deals starting from $273 round-trip. 8,619 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 9,035 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 $440. 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?

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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