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

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

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

As of April 2026, 63 flights take off from Washington, D.C. Dulles Intl Airport and land in Ottawa each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Which airlines fly to Ottawa?

United Airlines, Air Canada 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. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling 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.

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

As of April 2026, there are 9 flights per day flying from Washington, D.C. Dulles Intl Airport to Ottawa. The most common time of day flights depart is 5:00p.m., with 55% of flights taking off in the afternoon.

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 are refreshed on a daily basis.

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 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. Dulles Intl Airport to Ottawa Airport.

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

The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 137 Cheap Flights from Washington, D.C. Dulles Intl Airport to Ottawa in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Ottawa?

Prices are currently low for flights on this route. Typical prices usually range from C$ 799 to C$ 640. The lowest price recently found on this route was C$ 452.

1 adult

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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.

11:30 a.m. - 5:54 p.m.

IAD

YOW

6h 24m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 452Porter Airlines

Tue, 26 May - Thu, 28 May

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

4:20 p.m. - 5:52 p.m.

YOW

IAD

25h 32m

1 stop

C$ 462Multiple Airlines

Fri, 15 May - Mon, 18 May

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 469Porter Airlines

Wed, 6 May - Fri, 8 May

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 470Porter Airlines

Mon, 25 May - Fri, 29 May

11:40 a.m. - 5:04 p.m.

IAD

YOW

5h 24m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 473Porter Airlines

Thu, 30 Apr - Sun, 3 May

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 474Porter Airlines

Fri, 1 May - Sun, 3 May

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 476Porter Airlines

Fri, 1 May - Sun, 3 May

11:30 a.m. - 5:54 p.m.

IAD

YOW

6h 24m

1 stop

11:00 a.m. - 3:16 p.m.

YOW

IAD

4h 16m

1 stop

C$ 477Porter Airlines

Tue, 16 Jun - Fri, 19 Jun

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 478Porter Airlines

Fri, 8 May - Fri, 15 May

4:05 p.m. - 8:04 p.m.

IAD

YOW

3h 59m

1 stop

11:00 a.m. - 3:21 p.m.

YOW

IAD

4h 21m

1 stop

C$ 480Porter Airlines

Wed, 13 May - Fri, 15 May

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

26 May

IAD11:30 a.m.Washington, D.C. Dulles Intl

6h 24m

1 stop

YOW5:54 p.m.Ottawa

28 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

IAD3:21 p.m.Washington, D.C. Dulles Intl

C$ 452

Porter Airlines

6 May

IAD4:05 p.m.Washington, D.C. Dulles Intl

3h 59m

1 stop

YOW8:04 p.m.Ottawa

8 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

IAD3:21 p.m.Washington, D.C. Dulles Intl

C$ 469

Porter Airlines

25 May

IAD4:05 p.m.Washington, D.C. Dulles Intl

3h 59m

1 stop

YOW8:04 p.m.Ottawa

29 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

IAD3:21 p.m.Washington, D.C. Dulles Intl

C$ 470

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

22 Apr

IAD8:15 a.m.Washington, D.C. Dulles Intl

1h 48m

YOW10:03 a.m.Ottawa

27 Apr

YOW7:30 p.m.Ottawa

1h 48m

IAD9:18 p.m.Washington, D.C. Dulles Intl

C$ 747

Air Canada

22 Apr

IAD9:55 a.m.Washington, D.C. Dulles Intl

4h 11m

1 stop

YOW2:06 p.m.Ottawa

27 Apr

YOW6:00 a.m.Ottawa

1h 50m

IAD7:50 a.m.Washington, D.C. Dulles Intl

C$ 758

Air Canada

23 Apr

IAD8:15 a.m.Washington, D.C. Dulles Intl

1h 48m

YOW10:03 a.m.Ottawa

25 Apr

YOW10:15 a.m.Ottawa

5h 24m

1 stop

IAD3:39 p.m.Washington, D.C. Dulles Intl

C$ 765

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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Tue 26/5

11:30 a.m.-5:54 p.m.

1 stop6h 24m

Ottawa

Thu 28/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 452

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 15/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Mon 18/5

4:20 p.m.-5:52 p.m.

1 stop25h 32m

C$ 462

Quickest round-trip

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 6/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Fri 8/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 469

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 25/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Fri 29/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 470

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 30/4

11:40 a.m.-5:04 p.m.

1 stop5h 24m

Ottawa

Sun 3/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 473

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 1/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Sun 3/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 474

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 1/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Sun 3/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 476

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Tue 16/6

11:30 a.m.-5:54 p.m.

1 stop6h 24m

Ottawa

Fri 19/6

11:00 a.m.-3:16 p.m.

1 stop4h 16m

C$ 477

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 8/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Fri 15/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 478

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Wed 13/5

4:05 p.m.-8:04 p.m.

1 stop3h 59m

Ottawa

Fri 15/5

11:00 a.m.-3:21 p.m.

1 stop4h 21m

C$ 480

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 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?

The month of December is, on average, the cheapest month to fly to Ottawa from Washington, D.C. Dulles Intl Airport, with most prices found around C$ 495. If you aren’t able to travel to Ottawa during the month of December, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 498.

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

Our data shows that Saturday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 179. Flights from Washington, D.C. Dulles Intl Airport to Ottawa on a Wednesday will generally be more expensive and average around C$ 767. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Ottawa is in the morning. Flights from Washington, D.C. Dulles Intl Airport to Ottawa during this time can be as low as C$ 446. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,074 per ticket.

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 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.

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

You could potentially save up to 54% 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 April 2026, prices for Washington, D.C. Dulles Intl Airport to Ottawa flights are approximately 58% 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

Fastest flight time	1h 40m
Direct flights	Every day
Airports in Ottawa	1 airport

The fastest flight from Washington, D.C. Dulles Intl Airport to Ottawa takes 1h 40m

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).

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Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Ottawa

How far is Washington, D.C. Dulles Intl to Ottawa by plane?
The distance between Washington, D.C. Dulles Intl and Ottawa is about 732.9 km. 1h 40m is a normal flight duration for this route.
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 are refreshed on a daily basis.
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 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. Dulles Intl Airport to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The necessary travel and health documents for your Ottawa Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. Dulles Intl Airport to Ottawa is Canadair (Bombardier) Regional Jet CRJ-550, representing 34.39% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 24.43%, Canadair (Bombardier) Regional Jet 900 at 7.69%, and Boeing 777 at 3.62%.

Gatineau

Brockville

Pembroke

Perth

Smiths Falls

Prescott

Wakefield

Calabogie

Petawawa

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?

Yes. momondo enables you to select and highlight flights to Ottawa from Washington, D.C. with this policy.

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

momondo helps you find the best flight between Washington, D.C. and Ottawa by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Ottawa from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from C$ 201

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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

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

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

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 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?

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?

Which 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

Fastest flight time

Direct flights

Airports in Ottawa

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Ottawa

Travelling to a place near Ottawa?

Why use momondo?

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.

Find better results for your trip to Canada

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