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Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from $159

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 12/11. 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

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

Cheap last minute flights

Planning a quick getaway from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Ottawa

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

All round-trip flight deals to Ottawa

The cheapest plane tickets to Ottawa found on KAYAK recently.
1:35 pm - 6:14 pmIAD-YOW
4h 39m1 stop
7:00 am - 12:49 pmYOW-IAD
5h 49m1 stop
$341Porter Airlines
Find Deal
Sat, Jan 11 - Sat, Jan 25
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$353Porter Airlines
Find Deal
Fri, Dec 27 - Sat, Jan 4
1:45 pm - 5:06 pmIAD-YOW
3h 21m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$354Porter Airlines
Find Deal
Mon, Dec 16 - Thu, Dec 19
1:45 pm - 5:06 pmIAD-YOW
3h 21m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$358Porter Airlines
Find Deal
Mon, Dec 16 - Thu, Dec 19
6:07 am - 12:10 amIAD-YOW
18h 03m2 stops
8:35 am - 12:59 pmYOW-IAD
4h 24m1 stop
Mon, Dec 16 - Thu, Dec 19
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
5:45 pm - 10:24 pmYOW-IAD
4h 39m1 stop
Fri, Dec 27 - Sat, Jan 4
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$436Air Canada
Find Deal
Sun, Dec 22 - Wed, Jan 8
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$488Air Canada
Find Deal
Mon, Dec 23 - Wed, Jan 8
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
$600United Airlines
Find Deal
Thu, Dec 19 - Thu, Dec 26
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$605United Airlines
Find Deal
Mon, Dec 2 - Fri, Dec 6
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
$159Porter Airlines
Find Deal
Wed, Dec 11
1:35 pm - 6:14 pmIAD-YOW
4h 39m1 stop
$164Porter Airlines
Find Deal
Sat, Jan 25
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
$224Air Canada
Find Deal
Wed, Dec 11
6:00 am - 12:10 amIAD-YOW
18h 10m2 stops
$238WestJet
Find Deal
Sat, Jan 25
10:25 pm - 2:20 pmIAD-YOW
15h 55m1 stop
Sun, Feb 16
10:25 pm - 3:10 pmIAD-YOW
16h 45m2 stops
Sun, Feb 16
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
$276Air Canada
Find Deal
Sun, Feb 16
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
$311United Airlines
Find Deal
Mon, Jan 27
8:45 am - 10:01 pmIAD-YOW
13h 16m2 stops
$389United Airlines
Find Deal
Wed, Dec 11
10:05 am - 8:50 pmIAD-YOW
10h 45m2 stops
$522WestJet
Find Deal
Wed, Nov 27
7:00 am - 11:11 amIAD-YOW
4h 11m1 stop
9:40 am - 12:59 pmYOW-IAD
3h 19m1 stop
$609Porter Airlines
Find Deal
Mon, Nov 25 - Tue, Nov 26
1:45 pm - 6:31 pmIAD-YOW
4h 46m1 stop
5:45 pm - 10:24 pmYOW-IAD
4h 39m1 stop
$656Porter Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 1
8:48 am - 8:50 pmIAD-YOW
12h 02m2 stops
8:35 am - 12:59 pmYOW-IAD
4h 24m1 stop
Tue, Nov 26 - Sun, Dec 1
1:45 pm - 12:10 amIAD-YOW
10h 25m1 stop
10:00 am - 6:29 pmYOW-IAD
8h 29m1 stop
Tue, Nov 26 - Sat, Nov 30
1:45 pm - 5:06 pmIAD-YOW
3h 21m1 stop
10:00 am - 6:29 pmYOW-IAD
8h 29m1 stop
$691Porter Airlines
Find Deal
Tue, Nov 26 - Sat, Nov 30
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
9:45 am - 11:43 amYOW-IAD
1h 58mnonstop
$799Air Canada
Find Deal
Mon, Nov 25 - Sat, Nov 30
5:56 pm - 10:43 pmIAD-YOW
4h 47m1 stop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$804Air Canada
Find Deal
Mon, Nov 25 - Sat, Nov 30
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
6:00 am - 8:03 amYOW-IAD
26h 03m1 stop
$826United Airlines
Find Deal
Mon, Nov 25 - Tue, Nov 26
8:27 am - 1:20 pmIAD-YOW
4h 53m1 stop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$835United Airlines
Find Deal
Tue, Nov 26 - Sun, Dec 1
6:00 am - 12:10 amIAD-YOW
18h 10m2 stops
5:55 am - 6:53 pmYOW-IAD
12h 58m2 stops
$1,430WestJet
Find Deal
Mon, Nov 25 - Sat, Nov 30
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$523Air Canada
Find Deal
Mon, Dec 16 - Thu, Dec 19
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$524United Airlines
Find Deal
Sun, Dec 8 - Wed, Dec 11
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$528Air Canada
Find Deal
Fri, Dec 27 - Sat, Jan 4
5:15 pm - 6:54 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$529Air Canada
Find Deal
Sun, Dec 15 - Wed, Dec 18
10:15 pm - 11:54 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
$532Air Canada
Find Deal
Sun, Dec 1 - Fri, Dec 6
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
2:05 pm - 3:55 pmYOW-IAD
1h 50mnonstop
$549United Airlines
Find Deal
Sat, Dec 14 - Tue, Dec 17
5:10 pm - 6:54 pmIAD-YOW
1h 44mnonstop
2:05 pm - 3:58 pmYOW-IAD
1h 53mnonstop
$552Air Canada
Find Deal
Fri, Dec 27 - Sat, Jan 4
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
$553Air Canada
Find Deal
Fri, Dec 27 - Sat, Jan 4
12:49 pm - 2:29 pmIAD-YOW
1h 40mnonstop
9:45 am - 11:38 amYOW-IAD
1h 53mnonstop
$554Air Canada
Find Deal
Fri, Dec 27 - Sat, Jan 4
12:50 pm - 2:29 pmIAD-YOW
1h 39mnonstop
7:30 pm - 9:20 pmYOW-IAD
1h 50mnonstop
Sun, Dec 1 - Fri, Dec 6

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
Jan 11
IAD1:35 pmWashington, D.C. Dulles Intl
4h 39m
1 stop
YOW6:14 pmOttawa
Jan 25
YOW7:00 amOttawa
5h 49m
1 stop
IAD12:49 pmWashington, D.C. Dulles Intl
Porter Airlines
Dec 27
IAD7:00 amWashington, D.C. Dulles Intl
4h 11m
1 stop
YOW11:11 amOttawa
Jan 4
YOW9:40 amOttawa
3h 19m
1 stop
IAD12:59 pmWashington, D.C. Dulles Intl
Porter Airlines
Dec 16
IAD1:45 pmWashington, D.C. Dulles Intl
3h 21m
1 stop
YOW5:06 pmOttawa
Dec 19
YOW9:40 amOttawa
3h 19m
1 stop
IAD12:59 pmWashington, D.C. Dulles Intl

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Ottawa flight tickets
United Airlines
Dec 19
IAD5:10 pmWashington, D.C. Dulles Intl
1h 44m
YOW6:54 pmOttawa
Dec 26
YOW9:45 amOttawa
1h 53m
IAD11:38 amWashington, D.C. Dulles Intl
United Airlines
Dec 2
IAD10:15 pmWashington, D.C. Dulles Intl
1h 39m
YOW11:54 pmOttawa
Dec 6
YOW7:30 pmOttawa
1h 50m
IAD9:20 pmWashington, D.C. Dulles Intl
United Airlines
Dec 2
IAD10:15 pmWashington, D.C. Dulles Intl
1h 39m
YOW11:54 pmOttawa
Dec 6
YOW5:50 pmOttawa
4h 58m
1 stop
IAD10:48 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, 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 $264. The month of May is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $303.

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 Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $324. 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 $441.

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. Dulles Intl Airport 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 $475 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?

We recommend purchasing flights from Washington, D.C. Dulles Intl Airport to Ottawa 43 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 $363. In the past 72 hours, momondo users found flights from Washington, D.C. Dulles Intl Airport to Ottawa for as low as $160.

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

There are 1 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.

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

You could potentially save up to 29% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Ottawa flight.

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

As of November 2024, prices for Washington, D.C. Dulles Intl Airport to Ottawa flights are approximately 36% 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

$159

Fastest flight time

1h 39m

Direct flights

Mon, Tue, Thu, Fri, Sat and Sun

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 $159. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ottawa found on momondo in the last 72 hours is $341.
The fastest flight from Washington, D.C. Dulles Intl Airport to Ottawa takes 1h 39m
Direct flights go from Washington, D.C. Dulles Intl Airport to Ottawa on Monday, Tuesday, Thursday, 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. 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 39m.

  • 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
8,246 reviews
Search Air Canada flights
United AirlinesPriceFrom $271Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Porter AirlinesPriceFrom $273Free CancellationRating
7.8
288 reviews
Search Porter Airlines flights
Air TransatPriceFrom $347Free CancellationRating
7.8
389 reviews
Search Air Transat flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Ottawa

    Across 20 United Airlines flights from Washington, D.C. Dulles Intl Airport to Ottawa this week, the average price was $558, with the best United Airlines deals starting from $271 round-trip. 9,172 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 8,246 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 20 times each week, with ticket deals ranging from $176 to $434. 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?

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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