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

As of April 2026, there are 71 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.

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

Porter Airlines, Air Canada, 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 day?

The number of flights available between Ottawa and Washington, D.C. is 10 per day as of April 2026. The most frequent departure time is 10:00a.m., with 54% 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 60% 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.

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 April 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$ 243 Cheap Flights from Ottawa to Washington, D.C. in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 550 to C$ 354. The lowest price recently found on this route was C$ 413.

1 adult

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One-way

Last minute

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

YOW

IAD

4h 21m

1 stop

4:05 p.m. - 9:44 p.m.

IAD

YOW

5h 39m

1 stop

C$ 413Porter Airlines

Thu, 7 May - Sun, 10 May

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

YOW

IAD

4h 21m

1 stop

4:05 p.m. - 9:44 p.m.

IAD

YOW

5h 39m

1 stop

C$ 415Porter Airlines

Fri, 8 May - Sun, 10 May

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

YOW

IAD

4h 21m

1 stop

4:05 p.m. - 9:44 p.m.

IAD

YOW

5h 39m

1 stop

C$ 422Porter Airlines

Thu, 7 May - Sun, 10 May

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

YOW

IAD

4h 21m

1 stop

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

IAD

YOW

6h 24m

1 stop

C$ 427Porter Airlines

Thu, 7 May - Fri, 8 May

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

YOW

IAD

4h 21m

1 stop

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

IAD

YOW

3h 59m

1 stop

C$ 429Porter Airlines

Wed, 6 May - Fri, 8 May

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

YOW

DCA

1h 36mdirect

12:45 p.m. - 2:17 p.m.

DCA

YOW

1h 32mdirect

C$ 490Air Canada

Fri, 29 May - Fri, 5 Jun

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

YOW

DCA

1h 36mdirect

12:45 p.m. - 2:17 p.m.

DCA

YOW

1h 32mdirect

C$ 496Air Canada

Fri, 8 May - Mon, 11 May

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

YOW

DCA

1h 36mdirect

8:40 p.m. - 1:36 a.m.

DCA

YOW

4h 56m

1 stop

C$ 499Air Canada

Fri, 29 May - Fri, 5 Jun

7:00 a.m. - 5:07 p.m.

YOW

BWI

10h 07m

1 stop

7:48 p.m. - 3:00 p.m.

BWI

YOW

19h 12m

1 stop

C$ 499Multiple Airlines

Fri, 8 May - Fri, 15 May

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

YOW

DCA

1h 36mdirect

6:00 a.m. - 10:11 a.m.

DCA

YOW

4h 11m

1 stop

C$ 503Air Canada

Tue, 28 Apr - Thu, 30 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

7 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

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

10 May

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

5h 39m

1 stop

YOW9:44 p.m.Ottawa

C$ 413

Porter Airlines

8 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

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

10 May

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

5h 39m

1 stop

YOW9:44 p.m.Ottawa

C$ 415

Porter Airlines

7 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

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

10 May

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

5h 39m

1 stop

YOW9:44 p.m.Ottawa

C$ 422

WestJet flights from Ottawa to Washington, D.C.

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

WestJet

28 Apr

YOW4:15 p.m.Ottawa

18h 31m

2 stops

BWI10:46 a.m.Baltimore/Washington

30 Apr

BWI6:03 a.m.Baltimore/Washington

11h 32m

2 stops

YOW5:35 p.m.Ottawa

C$ 987

WestJet

28 Apr

YOW6:55 a.m.Ottawa

9h 36m

2 stops

IAD4:31 p.m.Washington, D.C. Dulles Intl

30 Apr

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

11h 35m

2 stops

YOW5:35 p.m.Ottawa

C$ 1,156

WestJet

28 Apr

YOW6:55 a.m.Ottawa

9h 20m

2 stops

IAD4:15 p.m.Washington, D.C. Dulles Intl

30 Apr

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

11h 35m

2 stops

YOW5:35 p.m.Ottawa

C$ 1,170

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/5

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

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 10/5

4:05 p.m.-9:44 p.m.

1 stop5h 39m

C$ 413

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Fri 8/5

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

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 10/5

4:05 p.m.-9:44 p.m.

1 stop5h 39m

C$ 415

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/5

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

1 stop4h 21m

Washington, D.C. Dulles Intl

Sun 10/5

4:05 p.m.-9:44 p.m.

1 stop5h 39m

C$ 422

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Thu 7/5

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

1 stop4h 21m

Washington, D.C. Dulles Intl

Fri 8/5

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

1 stop6h 24m

C$ 427

OttawaWashington, D.C.

YOW - IAD

YOWIAD

Ottawa

Wed 6/5

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

1 stop4h 21m

Washington, D.C. Dulles Intl

Fri 8/5

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

1 stop3h 59m

C$ 429

Quickest round-trip

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 29/5

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

Nonstop1h 36m

Washington, D.C. Reagan-National

Fri 5/6

12:45 p.m.-2:17 p.m.

Nonstop1h 32m

C$ 490

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 8/5

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

Nonstop1h 36m

Washington, D.C. Reagan-National

Mon 11/5

12:45 p.m.-2:17 p.m.

Nonstop1h 32m

C$ 496

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Fri 29/5

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

Nonstop1h 36m

Washington, D.C. Reagan-National

Fri 5/6

8:40 p.m.-1:36 a.m.

1 stop4h 56m

C$ 499

OttawaBaltimore

YOW - BWI

YOWBWI

Ottawa

Fri 8/5

7:00 a.m.-5:07 p.m.

1 stop10h 07m

Baltimore/Washington

Fri 15/5

7:48 p.m.-3:00 p.m.

1 stop19h 12m

C$ 499

OttawaWashington, D.C.

YOW - DCA

YOWDCA

Ottawa

Tue 28/4

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

Nonstop1h 36m

Washington, D.C. Reagan-National

Thu 30/4

6:00 a.m.-10:11 a.m.

1 stop4h 11m

C$ 503

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 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 typical price of a round-trip flight between Ottawa and Washington, D.C.?

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 December instead. Flights to Washington, D.C. in December, while not as cheap as those in August, still average around C$ 460.

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$ 853. The most expensive day to fly to Washington, D.C. is Monday, with ticket prices averaging around C$ 923.

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$ 802. 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$ 1,104 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 22% 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 April 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$ 344
Fastest flight time	1h 35m
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$ 344. The best round-trip flight deal from Ottawa to Washington, D.C. found on momondo in the last 72 hours is C$ 543.

The fastest flight from Ottawa to Washington, D.C. takes 1h 35m

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

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

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 35m.
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 April 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 26.23% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 25.97%, Embraer 195 E2 at 17.96%, and Canadair (Bombardier) Regional Jet 900 at 9.04%.
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 52% of all bookings. The subsequent popular airlines are Porter Airlines at 31% and United Airlines at 16%.

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$ 266	Free Cancellation	Rating 7.4 9,586 reviews	Search United Airlines flights
Porter Airlines	PriceFrom C$ 332	Free Cancellation	Rating 8.0 435 reviews	Search Porter Airlines flights
Air Canada	PriceFrom C$ 360	Free Cancellation	Rating 7.1 10,923 reviews	Search Air Canada flights

United Airlines Flights From Ottawa to Washington, D.C.
United Airlines flies from Ottawa to Washington, D.C. around 37 times per week, with 9,586 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$ 266 (round-trip), much lower than the average airfare cost of C$ 651 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, 10,923 ratings). Air Canada flies from Ottawa to Washington, D.C. around 34 times per week, with deals starting from C$ 360 round-trip and rising to an average price of around C$ 577.

Alexandria

Gettysburg

Fairfax

Gaithersburg

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$ 243

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 18/5. 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

WestJet flights from Ottawa to Washington, D.C.

Our best WestJet 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 typical price of a round-trip flight between Ottawa and 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.

Frequently asked questions about flying from Ottawa to 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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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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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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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