What airlines fly to Ottawa?

Air Canada, United Airlines and Porter Airlines are the top three most popular airlines that fly to Ottawa from Washington, D.C. Dulles Intl Airport according to our data. Air Canada is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 3 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Ottawa?

United Airlines and Porter Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Ottawa

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 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.

$128 Cheap Flights from Washington, D.C. Dulles Intl Airport to Ottawa in 2026

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per day?

As of February 2026, 7 flights take off from Washington, D.C. Dulles Intl Airport and land in Ottawa each day. The most common flight departure time for this route is 5:00PM, with 71% of daily flights taking off in the afternoon.

Q: How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per week?

As of February 2026, there are 49 flights per week flying from Washington, D.C. Dulles Intl Airport to Ottawa. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Ottawa

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 am - 5:04 pm

IAD

YOW

5h 24m

1 stop

1:20 pm - 5:14 pm

YOW

IAD

3h 54m

1 stop

$295Porter Airlines

Thu, Apr 9 - Sun, Apr 12

6:00 am - 12:25 am

IAD

YOW

18h 25m

2 stops

4:20 pm - 7:27 am

YOW

IAD

15h 07m

1 stop

$296Multiple Airlines

Fri, Apr 17 - Sun, Apr 19

8:30 pm - 5:13 pm

IAD

YOW

20h 43m

1 stop

1:15 pm - 5:14 pm

YOW

IAD

3h 59m

1 stop

$297Multiple Airlines

Mon, Apr 6 - Fri, Apr 10

1:15 pm - 5:29 pm

IAD

YOW

4h 14m

1 stop

7:00 am - 10:54 am

YOW

IAD

3h 54m

1 stop

$299Porter Airlines

Sat, Apr 11 - Tue, Apr 14

11:40 am - 3:04 pm

IAD

YOW

3h 24m

1 stop

4:20 pm - 7:24 am

YOW

IAD

15h 04m

1 stop

$301Multiple Airlines

Wed, Mar 25 - Fri, Mar 27

11:40 am - 5:04 pm

IAD

YOW

5h 24m

1 stop

1:20 pm - 5:14 pm

YOW

IAD

3h 54m

1 stop

$304Porter Airlines

Thu, Apr 9 - Sun, Apr 12

6:00 pm - 10:29 pm

IAD

YOW

4h 29m

1 stop

7:00 am - 10:54 am

YOW

IAD

3h 54m

1 stop

$311Porter Airlines

Fri, Apr 10 - Tue, Apr 14

11:17 am - 11:58 pm

IAD

YOW

12h 41m

1 stop

6:50 am - 10:54 am

YOW

IAD

4h 04m

1 stop

$313Multiple Airlines

Sun, Apr 26 - Thu, Apr 30

1:15 pm - 5:29 pm

IAD

YOW

4h 14m

1 stop

7:00 am - 12:36 am

YOW

IAD

17h 36m

2 stops

$315Multiple Airlines

Sat, Apr 11 - Tue, Apr 14

12:18 pm - 11:58 pm

IAD

YOW

11h 40m

1 stop

4:20 pm - 2:18 pm

YOW

IAD

21h 58m

2 stops

$317Multiple Airlines

Thu, Apr 9 - Sun, Apr 12

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 9

IAD11:40 amWashington, D.C. Dulles Intl

5h 24m

1 stop

YOW5:04 pmOttawa

Apr 12

YOW1:20 pmOttawa

3h 54m

1 stop

IAD5:14 pmWashington, D.C. Dulles Intl

$295

Porter Airlines

Apr 20

IAD11:40 amWashington, D.C. Dulles Intl

5h 04m

1 stop

YOW4:44 pmOttawa

Apr 25

YOW8:40 amOttawa

3h 49m

1 stop

IAD12:29 pmWashington, D.C. Dulles Intl

$297

Porter Airlines

Apr 11

IAD1:15 pmWashington, D.C. Dulles Intl

4h 14m

1 stop

YOW5:29 pmOttawa

Apr 14

YOW7:00 amOttawa

3h 54m

1 stop

IAD10:54 amWashington, D.C. Dulles Intl

$299

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

Mar 24

IAD10:13 pmWashington, D.C. Dulles Intl

1h 41m

YOW11:54 pmOttawa

Mar 25

YOW9:45 amOttawa

1h 59m

IAD11:44 amWashington, D.C. Dulles Intl

$350

United Airlines

Mar 25

IAD5:11 pmWashington, D.C. Dulles Intl

1h 44m

YOW6:55 pmOttawa

Mar 27

YOW7:30 pmOttawa

1h 53m

IAD9:23 pmWashington, D.C. Dulles Intl

$364

United Airlines

Mar 28

IAD5:11 pmWashington, D.C. Dulles Intl

1h 44m

YOW6:55 pmOttawa

Apr 2

YOW5:50 pmOttawa

5h 35m

1 stop

IAD11:25 pmWashington, D.C. Dulles Intl

$365

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Ottawa that are best for you.

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Fly to

Route

Depart

Return

Price

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 4/9

11:40 am-5:04 pm

1 stop5h 24m

Ottawa

Sun 4/12

1:20 pm-5:14 pm

1 stop3h 54m

$295

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 4/17

6:00 am-12:25 am

2 stops18h 25m

Ottawa

Sun 4/19

4:20 pm-7:27 am

1 stop15h 07m

$296

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 4/6

8:30 pm-5:13 pm

1 stop20h 43m

Ottawa

Fri 4/10

1:15 pm-5:14 pm

1 stop3h 59m

$297

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 4/11

1:15 pm-5:29 pm

1 stop4h 14m

Ottawa

Tue 4/14

7:00 am-10:54 am

1 stop3h 54m

$299

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 3/25

11:40 am-3:04 pm

1 stop3h 24m

Ottawa

Fri 3/27

4:20 pm-7:24 am

1 stop15h 04m

$301

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 4/9

11:40 am-5:04 pm

1 stop5h 24m

Ottawa

Sun 4/12

1:20 pm-5:14 pm

1 stop3h 54m

$304

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 4/10

6:00 pm-10:29 pm

1 stop4h 29m

Ottawa

Tue 4/14

7:00 am-10:54 am

1 stop3h 54m

$311

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 4/26

11:17 am-11:58 pm

1 stop12h 41m

Ottawa

Thu 4/30

6:50 am-10:54 am

1 stop4h 04m

$313

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 4/11

1:15 pm-5:29 pm

1 stop4h 14m

Ottawa

Tue 4/14

7:00 am-12:36 am

2 stops17h 36m

$315

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 4/9

12:18 pm-11:58 pm

1 stop11h 40m

Ottawa

Sun 4/12

4:20 pm-2:18 pm

2 stops21h 58m

$317

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $297. 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 $308.

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 $440. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $511.

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 $471. 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 $631 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

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

There are 3 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 February 2026, prices for Washington, D.C. Dulles Intl Airport to Ottawa flights are approximately 13% 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	$186
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 $186. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Ottawa found on momondo in the last 72 hours is $424.

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 in Ottawa. From Washington, D.C. Dulles Intl Airport there are direct flights to Ottawa (YOW).

Search flight deals

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?
There are 3 operators available for flights from Washington, D.C. Dulles Intl Airport to Ottawa Airport as of February 2026.
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?
Based on momondo bookings for flights between Washington, D.C. Dulles Intl Airport and Ottawa, the leading plane model is Canadair (Bombardier) Regional Jet CRJ-550, making up 28.84% of the total bookings. Other popular models include Embraer 175 (Enhanced Winglets) with 16.93%, Boeing 777 with 8.15%, and Canadair (Bombardier) Regional Jet 900 with 5.96%.
What is the most popular airline from Washington, D.C. Dulles Intl Airport to Ottawa?
momondo data reveals that the most frequently booked airline on the route from Washington, D.C. Dulles Intl Airport to Ottawa is Air Canada, representing 40% of all bookings. The subsequent popular airlines are United Airlines at 34% and Porter Airlines at 26%.

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
Porter Airlines	PriceFrom $169	Free Cancellation	Rating 8.0 419 reviews	Search Porter Airlines flights
United Airlines	PriceFrom $189	Free Cancellation	Rating 7.4 9,342 reviews	Search United Airlines flights
Air Canada	PriceFrom $206	Free Cancellation	Rating 7.1 10,739 reviews	Search Air Canada 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 $438, with the best United Airlines deals starting from $189 round-trip. 9,342 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 10,739 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Washington, D.C. Dulles Intl Airport to Ottawa about 21 times each week, with ticket deals ranging from $206 to $496. Price data is based on momondo searches in the last 72 hours.

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Pembroke

Calabogie

Petawawa

Brockville

Smiths Falls

Perth

Prescott

Winchester

Wakefield

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

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See travel insights to Ottawa from

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

What is the cheapest month to fly to Ottawa?

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

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

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

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

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

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

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Ottawa?

What airlines fly to Ottawa?

How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per day?

How many flights depart from Washington, D.C. Dulles Intl Airport to Ottawa on average per week?

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

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

Fastest flight time

Direct flights

Airports in 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

United Airlines Flights From Washington, D.C. Dulles Intl Airport to Ottawa

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

Traveling to a place near Ottawa?

Why use momondo?

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

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

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

I’m not ready to book a flight from Washington, D.C. to Ottawa right now. Can momondo alert me if prices change?

An easier way to manage your Ottawa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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