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

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

As of February 2026, 49 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.

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

As of February 2026, there are 7 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 71% 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$ 135 Cheap Flights from Washington, D.C. Dulles Intl Airport to Ottawa in 2026

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.

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

IAD

YOW

5h 24m

1 stop

1:20 p.m. - 5:14 p.m.

YOW

IAD

3h 54m

1 stop

C$ 404Porter Airlines

Thu, 9 Apr - Sun, 12 Apr

1:15 p.m. - 5:29 p.m.

IAD

YOW

4h 14m

1 stop

7:00 a.m. - 10:54 a.m.

YOW

IAD

3h 54m

1 stop

C$ 409Porter Airlines

Sat, 11 Apr - Tue, 14 Apr

1:15 p.m. - 5:29 p.m.

IAD

YOW

4h 14m

1 stop

7:00 a.m. - 12:36 a.m.

YOW

IAD

17h 36m

2 stops

C$ 431Multiple Airlines

Sat, 11 Apr - Tue, 14 Apr

12:18 p.m. - 11:58 p.m.

IAD

YOW

11h 40m

1 stop

4:20 p.m. - 2:18 p.m.

YOW

IAD

21h 58m

2 stops

C$ 434Multiple Airlines

Thu, 9 Apr - Sun, 12 Apr

12:18 p.m. - 11:58 p.m.

IAD

YOW

11h 40m

1 stop

4:20 p.m. - 2:18 p.m.

YOW

IAD

21h 58m

2 stops

C$ 442Multiple Airlines

Thu, 9 Apr - Sun, 12 Apr

6:20 a.m. - 5:25 p.m.

IAD

YOW

35h 05m

2 stops

9:30 a.m. - 7:24 a.m.

YOW

IAD

21h 54m

1 stop

C$ 443Multiple Airlines

Mon, 16 Mar - Wed, 25 Mar

12:18 p.m. - 11:58 p.m.

IAD

YOW

11h 40m

1 stop

1:20 p.m. - 5:14 p.m.

YOW

IAD

3h 54m

1 stop

C$ 446Multiple Airlines

Thu, 9 Apr - Sun, 12 Apr

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

IAD

YOW

5h 24m

1 stop

10:00 a.m. - 11:50 a.m.

YOW

IAD

1h 50mdirect

C$ 450Multiple Airlines

Thu, 9 Apr - Sun, 12 Apr

8:30 p.m. - 11:58 p.m.

IAD

YOW

27h 28m

1 stop

7:00 a.m. - 10:54 a.m.

YOW

IAD

3h 54m

1 stop

C$ 458Multiple Airlines

Fri, 10 Apr - Tue, 14 Apr

12:18 p.m. - 11:58 p.m.

IAD

YOW

11h 40m

1 stop

1:20 p.m. - 5:14 p.m.

YOW

IAD

3h 54m

1 stop

C$ 460Multiple Airlines

Thu, 9 Apr - Sun, 12 Apr

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

9 Apr

IAD11:40 a.m.Washington, D.C. Dulles Intl

5h 24m

1 stop

YOW5:04 p.m.Ottawa

12 Apr

YOW1:20 p.m.Ottawa

3h 54m

1 stop

IAD5:14 p.m.Washington, D.C. Dulles Intl

C$ 404

Porter Airlines

11 Apr

IAD1:15 p.m.Washington, D.C. Dulles Intl

4h 14m

1 stop

YOW5:29 p.m.Ottawa

14 Apr

YOW7:00 a.m.Ottawa

3h 54m

1 stop

IAD10:54 a.m.Washington, D.C. Dulles Intl

C$ 409

Porter Airlines

10 Apr

IAD6:00 p.m.Washington, D.C. Dulles Intl

4h 29m

1 stop

YOW10:29 p.m.Ottawa

14 Apr

YOW7:00 a.m.Ottawa

3h 54m

1 stop

IAD10:54 a.m.Washington, D.C. Dulles Intl

C$ 425

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

24 Mar

IAD10:13 p.m.Washington, D.C. Dulles Intl

1h 41m

YOW11:54 p.m.Ottawa

25 Mar

YOW9:45 a.m.Ottawa

1h 59m

IAD11:44 a.m.Washington, D.C. Dulles Intl

C$ 479

United Airlines

25 Mar

IAD5:11 p.m.Washington, D.C. Dulles Intl

1h 44m

YOW6:55 p.m.Ottawa

27 Mar

YOW7:30 p.m.Ottawa

1h 53m

IAD9:23 p.m.Washington, D.C. Dulles Intl

C$ 498

United Airlines

28 Mar

IAD5:11 p.m.Washington, D.C. Dulles Intl

1h 44m

YOW6:55 p.m.Ottawa

2 Apr

YOW5:50 p.m.Ottawa

5h 35m

1 stop

IAD11:25 p.m.Washington, D.C. Dulles Intl

C$ 499

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

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

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

1 stop5h 24m

Ottawa

Sun 12/4

1:20 p.m.-5:14 p.m.

1 stop3h 54m

C$ 404

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 11/4

1:15 p.m.-5:29 p.m.

1 stop4h 14m

Ottawa

Tue 14/4

7:00 a.m.-10:54 a.m.

1 stop3h 54m

C$ 409

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 11/4

1:15 p.m.-5:29 p.m.

1 stop4h 14m

Ottawa

Tue 14/4

7:00 a.m.-12:36 a.m.

2 stops17h 36m

C$ 431

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

12:18 p.m.-11:58 p.m.

1 stop11h 40m

Ottawa

Sun 12/4

4:20 p.m.-2:18 p.m.

2 stops21h 58m

C$ 434

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

12:18 p.m.-11:58 p.m.

1 stop11h 40m

Ottawa

Sun 12/4

4:20 p.m.-2:18 p.m.

2 stops21h 58m

C$ 442

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Mon 16/3

6:20 a.m.-5:25 p.m.

2 stops35h 05m

Ottawa

Wed 25/3

9:30 a.m.-7:24 a.m.

1 stop21h 54m

C$ 443

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

12:18 p.m.-11:58 p.m.

1 stop11h 40m

Ottawa

Sun 12/4

1:20 p.m.-5:14 p.m.

1 stop3h 54m

C$ 446

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

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

1 stop5h 24m

Ottawa

Sun 12/4

10:00 a.m.-11:50 a.m.

Nonstop1h 50m

C$ 450

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 10/4

8:30 p.m.-11:58 p.m.

1 stop27h 28m

Ottawa

Tue 14/4

7:00 a.m.-10:54 a.m.

1 stop3h 54m

C$ 458

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/4

12:18 p.m.-11:58 p.m.

1 stop11h 40m

Ottawa

Sun 12/4

1:20 p.m.-5:14 p.m.

1 stop3h 54m

C$ 460

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?

The month of April is, on average, the cheapest month to fly to Ottawa from Washington, D.C. Dulles Intl Airport, with most prices found around C$ 406. If you aren’t able to travel to Ottawa during the month of April, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 421.

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$ 177. Flights from Washington, D.C. Dulles Intl Airport to Ottawa on a Wednesday will generally be more expensive and average around C$ 795. 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$ 441. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 828 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 64% 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

Fastest flight time	1h 32m
Direct flights	Every day
Airports in Ottawa	1 airport

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).

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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 32m 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 28.84% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 16.93%, Boeing 777 at 8.15%, and Canadair (Bombardier) Regional Jet 900 at 5.96%.

Gatineau

Pembroke

Brockville

Perth

Smiths Falls

Prescott

Calabogie

Wakefield

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.

An easier way to manage your Ottawa trip

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Cheap flights from Washington, D.C. Dulles Intl Airport to Ottawa from C$ 175

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

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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

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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 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?

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

Travelling 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.

Find better results for your trip to Canada

Airports servicing Ontario

Fly your favourite airline to Ottawa

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List of cabin classes available on flights landing in Ottawa. Availability may vary depending on flight origin and airline.

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