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

The number of flights available between Ottawa and Washington, D.C. is 7 per day as of February 2026. The most frequent departure time is 2:00p.m., with 47% of daily flights leaving at noon.

Which airlines fly to Washington, D.C.?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to Washington, D.C. from Ottawa according to our data. Air Canada is the first choice among our users, with 61% of people opting to fly with this airline when travelling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

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

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

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

As of February 2026, there are 53 flights per week flying from Ottawa to Washington, D.C.. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.

When did momondo last update prices for flights from Ottawa Airport to Washington, D.C.?

Prices for flights from Ottawa Airport to Washington, D.C. are updated daily.

How many operators does momondo search for flights from Ottawa Airport to Washington, D.C.?

As of February 2026, there are 3 operators available to choose from for flights from Ottawa Airport to Washington, D.C..

How old do you have to be to fly from Ottawa Airport to Washington, D.C.?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington, D.C..

What documentation or ID do you need to fly to Washington, D.C.?

The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

C$ 213 Cheap Flights from Ottawa to Washington, D.C. in 2026

1 adult

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6:50 a.m. - 10:54 a.m.

YOW

IAD

4h 04m

1 stop

11:40 a.m. - 4:44 p.m.

IAD

YOW

5h 04m

1 stop

C$ 356Porter Airlines

Thu, 23 Apr - Mon, 27 Apr

8:40 a.m. - 12:29 p.m.

YOW

IAD

3h 49m

1 stop

11:40 a.m. - 3:04 p.m.

IAD

YOW

3h 24m

1 stop

C$ 369Porter Airlines

Sat, 28 Mar - Wed, 1 Apr

6:50 a.m. - 10:54 a.m.

YOW

IAD

4h 04m

1 stop

6:00 p.m. - 10:29 p.m.

IAD

YOW

4h 29m

1 stop

C$ 372Porter Airlines

Thu, 16 Apr - Sun, 19 Apr

6:45 a.m. - 10:24 a.m.

YOW

IAD

3h 39m

1 stop

11:40 a.m. - 3:04 p.m.

IAD

YOW

3h 24m

1 stop

C$ 380Porter Airlines

Thu, 26 Mar - Mon, 30 Mar

10:25 a.m. - 12:01 p.m.

YOW

DCA

1h 36mdirect

12:55 p.m. - 2:27 p.m.

DCA

YOW

1h 32mdirect

C$ 382Air Canada

Thu, 16 Apr - Sun, 19 Apr

8:40 a.m. - 12:59 p.m.

YOW

IAD

4h 19m

1 stop

6:00 p.m. - 10:29 p.m.

IAD

YOW

4h 29m

1 stop

C$ 382Porter Airlines

Sat, 11 Apr - Fri, 17 Apr

10:25 a.m. - 12:01 p.m.

YOW

DCA

1h 36mdirect

6:00 a.m. - 10:06 a.m.

DCA

YOW

4h 06m

1 stop

C$ 386Air Canada

Thu, 16 Apr - Sun, 19 Apr

7:30 p.m. - 9:23 p.m.

YOW

IAD

1h 53mdirect

8:25 a.m. - 4:30 p.m.

IAD

YOW

8h 05m

2 stops

C$ 388United Airlines

Mon, 23 Mar - Tue, 24 Mar

7:00 a.m. - 3:40 p.m.

YOW

BWI

8h 40m

1 stop

9:18 a.m. - 12:20 a.m.

BWI

YOW

15h 02m

2 stops

C$ 412Multiple Airlines

Sat, 30 May - Wed, 3 Jun

4:15 p.m. - 8:13 a.m.

YOW

BWI

15h 58m

1 stop

7:00 a.m. - 5:25 p.m.

BWI

YOW

10h 25m

1 stop

C$ 434Multiple Airlines

Thu, 9 Apr - Wed, 15 Apr

Porter Airlines flights from Ottawa to Washington, D.C.

Our best Porter Airlines deals on Ottawa to Washington, D.C. flight tickets

Porter Airlines

23 Apr

YOW6:50 a.m.Ottawa

4h 04m

1 stop

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

27 Apr

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

5h 04m

1 stop

YOW4:44 p.m.Ottawa

C$ 356

Porter Airlines

28 Mar

YOW8:40 a.m.Ottawa

3h 49m

1 stop

IAD12:29 p.m.Washington, D.C. Dulles Intl

1 Apr

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

3h 24m

1 stop

YOW3:04 p.m.Ottawa

C$ 369

Porter Airlines

16 Apr

YOW6:50 a.m.Ottawa

4h 04m

1 stop

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

19 Apr

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

4h 29m

1 stop

YOW10:29 p.m.Ottawa

C$ 372

United Airlines flights from Ottawa to Washington, D.C.

Our best United Airlines deals on Ottawa to Washington, D.C. flight tickets

United Airlines

23 Mar

YOW7:30 p.m.Ottawa

1h 53m

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

24 Mar

IAD8:25 a.m.Washington, D.C. Dulles Intl

8h 05m

2 stops

YOW4:30 p.m.Ottawa

C$ 388

United Airlines

29 Mar

YOW5:50 p.m.Ottawa

5h 35m

1 stop

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

30 Mar

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

1h 48m

YOW10:03 a.m.Ottawa

C$ 416

United Airlines

13 May

YOW3:10 p.m.Ottawa

6h 01m

1 stop

IAD9:11 p.m.Washington, D.C. Dulles Intl

14 May

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

1h 48m

YOW10:03 a.m.Ottawa

C$ 432

Fly from

Fly to

Route

Depart

Return

Price

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 23/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Mon 27/4

11:40 a.m.-4:44 p.m.

1 stop5h 04m

C$ 356

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 28/3

8:40 a.m.-12:29 p.m.

1 stop3h 49m

Washington, D.C. Dulles Intl

Wed 1/4

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 369

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 16/4

6:50 a.m.-10:54 a.m.

1 stop4h 04m

Washington, D.C. Dulles Intl

Sun 19/4

6:00 p.m.-10:29 p.m.

1 stop4h 29m

C$ 372

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 26/3

6:45 a.m.-10:24 a.m.

1 stop3h 39m

Washington, D.C. Dulles Intl

Mon 30/3

11:40 a.m.-3:04 p.m.

1 stop3h 24m

C$ 380

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 16/4

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

Washington, D.C. Reagan-National

Sun 19/4

12:55 p.m.-2:27 p.m.

Nonstop1h 32m

C$ 382

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Sat 11/4

8:40 a.m.-12:59 p.m.

1 stop4h 19m

Washington, D.C. Dulles Intl

Fri 17/4

6:00 p.m.-10:29 p.m.

1 stop4h 29m

C$ 382

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Thu 16/4

10:25 a.m.-12:01 p.m.

Nonstop1h 36m

Washington, D.C. Reagan-National

Sun 19/4

6:00 a.m.-10:06 a.m.

1 stop4h 06m

C$ 386

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Mon 23/3

7:30 p.m.-9:23 p.m.

Nonstop1h 53m

Washington, D.C. Dulles Intl

Tue 24/3

8:25 a.m.-4:30 p.m.

2 stops8h 05m

C$ 388

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Sat 30/5

7:00 a.m.-3:40 p.m.

1 stop8h 40m

Baltimore/Washington

Wed 3/6

9:18 a.m.-12:20 a.m.

2 stops15h 02m

C$ 412

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Thu 9/4

4:15 p.m.-8:13 a.m.

1 stop15h 58m

Baltimore/Washington

Wed 15/4

7:00 a.m.-5:25 p.m.

1 stop10h 25m

C$ 434

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Showing 1-10 of 20 resultsSorted by cheapest first

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

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 Washington, D.C.?

If you aren’t able to travel during the month of August, then book flights to Washington, D.C. from Ottawa during March instead. Flights to Washington, D.C. in March, while not as cheap as those in August, still average around C$ 428.

What is the cheapest day to depart on your flight to Washington, D.C.?

The cheapest day to depart from Ottawa to Washington, D.C. is on a Friday. Travellers who choose to depart for Washington, D.C. on a Friday will often find tickets for as low as C$ 806. The most expensive day to fly to Washington, D.C. is Monday, with ticket prices averaging around C$ 940.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the morning is the cheapest time of day to fly from Ottawa to Washington, D.C. when you can find flight prices for as low as C$ 789. Flying to Washington, D.C. in the morning is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Washington, D.C., so prices are often more expensive at around C$ 1,082 per ticket.

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

Fly from Ottawa to Washington, D.C. Dulles Intl for the best Ottawa - Washington, D.C. flight prices

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

There are 4 cabin classes available to choose from on Ottawa to Washington, D.C. 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 Ottawa to Washington, D.C. flights?

You could potentially save up to 13% on your flight if you consider stops on a Ottawa to Washington, D.C. flight.

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

As of February 2026, prices for Ottawa to Washington, D.C. flights are approximately 16% more expensive when compared to flights at the same time last year.

When to book flights from Ottawa to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Ottawa to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ottawa to Washington, D.C. (YOW to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C.

Best price found	C$ 292
Fastest flight time	1h 36m
Direct flights	Every day
Airports in Washington, D.C.	2 airports

The best one-way flight to Washington, D.C. from Ottawa in the past 72 hours is C$ 292. The best round-trip flight deal from Ottawa to Washington, D.C. found on momondo in the last 72 hours is C$ 528.

The fastest flight from Ottawa to Washington, D.C. takes 1h 36m

Direct flights go from Ottawa to Washington, D.C. every day.

There are 2 airports in Washington, D.C.. From Ottawa there are direct flights to Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD).

Search flight deals

How far is Ottawa to Washington, D.C. by plane?
Washington, D.C. is 731.6 km away from Ottawa. A reasonable flight in good conditions will take 1h 36m.
When did momondo last update prices for flights from Ottawa Airport to Washington, D.C.?
Prices for flights from Ottawa Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Ottawa Airport to Washington, D.C.?
As of February 2026, there are 3 operators available to choose from for flights from Ottawa Airport to Washington, D.C..
How old do you have to be to fly from Ottawa Airport to Washington, D.C.?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ottawa Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The travel and health documents required for your trip to Washington, D.C. 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 Washington, D.C.. 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 Ottawa to Washington, D.C.?
momondo data reveals that the most frequently booked plane model on the route from Ottawa to Washington, D.C. is Canadair (Bombardier) Regional Jet CRJ-550, representing 28.09% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 27.30%, Embraer 195 E2 at 16.40%, and Canadair (Bombardier) Regional Jet 900 at 8.76%.
What is the most popular airline from Ottawa to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Ottawa to Washington, D.C. is Air Canada, representing 56% of all bookings. The subsequent popular airlines are Porter Airlines at 29% and United Airlines at 15%.

Best airlines flying from Ottawa to Washington, D.C.

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom C$ 234	Free Cancellation	Rating 7.4 9,349 reviews	Search United Airlines flights
Porter Airlines	PriceFrom C$ 312	Free Cancellation	Rating 8.0 419 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 355	Free Cancellation	Rating 7.1 10,750 reviews	Search Air Canada flights

United Airlines Flights From Ottawa to Washington, D.C.
United Airlines flies from Ottawa to Washington, D.C. around 26 times per week, with 9,349 momondo users rating the airline 7.4/10. The cheapest United Airlines deal from Ottawa to Washington, D.C. in the last 72 hours was C$ 234 (round-trip), much lower than the average airfare cost of C$ 642 for United Airlines flights on this route.
Air Canada Flights From Ottawa to Washington, D.C.
Another popular option for Ottawa to Washington, D.C. flights is Air Canada (7.1/10, 10,750 ratings). Air Canada flies from Ottawa to Washington, D.C. around 27 times per week, with deals starting from C$ 355 round-trip and rising to an average price of around C$ 542.

Alexandria

Gettysburg

Gaithersburg

Fairfax

Linthicum Heights

Bethesda

National Harbor

Reston

Laurel

Herndon

Arlington

Fredericksburg

Manassas

Woodbridge

Silver Spring

Rockville

McLean

Tysons

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ottawa to Washington, D.C. . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Ottawa to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Ottawa.

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

If you are not ready to book a flight from Ottawa to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Ottawa to Washington, D.C. from C$ 213

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ottawa to Washington, D.C. departing on 15/4. 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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Porter Airlines flights from Ottawa to Washington, D.C.

Our best Porter Airlines deals on Ottawa to Washington, D.C. flight tickets

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Our best United Airlines deals on Ottawa to Washington, D.C. flight tickets

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

What is the cheapest month to fly to Washington, D.C.?

What is the cheapest day to depart on your flight to Washington, D.C.?

What is the cheapest time of day to depart on your flight to Washington, D.C.?

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

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

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

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

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

Which airlines fly to Washington, D.C.?

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

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

When to book flights from Ottawa to Washington, D.C.

Cheap Ottawa to Washington, D.C. (YOW to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ottawa to Washington, D.C.

Best price found

Fastest flight time

Direct flights

Airports in Washington, D.C.

Best airlines flying from Ottawa to Washington, D.C.

Compare and see reviews for airlines that fly from Ottawa to Washington, D.C. with momondo

United Airlines Flights From Ottawa to Washington, D.C.

Air Canada Flights From Ottawa to Washington, D.C.

Travelling to a place near Washington, D.C.?

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An easier way to manage your Washington, D.C. trip

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 36.1 km from Washington, D.C.

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Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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