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

As of April 2026, 73 flights take off from Washington, D.C. and land in Ottawa each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

Which 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. according to our data. Air Canada is the first choice among our users, with 57% 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.

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

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

How long does it take to fly to Ottawa?

Flight times from Washington, D.C. to Ottawa vary, but if you’re flying out of Washington, D.C. and flying into Montreal Pierre Elliott Trudeau Intl Airport (one of the most popular routes), then the duration is 1h 42m on average. Another popular route from Washington, D.C. to Ottawa is flying from Baltimore to Montreal Pierre Elliott Trudeau Intl Airport, which will take roughly 5h 35m. Keep in mind that layovers or delays could extend your travel time.

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

As of April 2026, there are 10 flights per day flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 12:00p.m., with 62% of flights taking off in the afternoon.

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

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

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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.

C$ 156 Cheap Flights from Washington, D.C. to Ottawa in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from C$ 854 to C$ 648. The lowest price recently found on this route was C$ 449.

1 adult

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:27 p.m. - 2:33 p.m.

IAD

YOW

19h 06m

1 stop

7:00 a.m. - 6:42 p.m.

YOW

IAD

11h 42m

2 stops

C$ 449Multiple Airlines

Thu, 28 May - Thu, 4 Jun

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$ 460Multiple 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$ 472Porter Airlines

Fri, 8 May - Fri, 29 May

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

IAD

YOW

5h 39m

1 stop

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

YOW

IAD

4h 21m

1 stop

C$ 474Porter Airlines

Sun, 10 May - Wed, 13 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, 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$ 478Porter Airlines

Sun, 3 May - Mon, 4 May

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

IAD

YOW

6h 24m

1 stop

7:00 a.m. - 6:42 p.m.

YOW

IAD

11h 42m

2 stops

C$ 487Multiple Airlines

Tue, 26 May - Thu, 28 May

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

DCA

YOW

1h 32mdirect

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

YOW

DCA

1h 36mdirect

C$ 529Air Canada

Thu, 28 May - Thu, 4 Jun

12:40 p.m. - 2:11 p.m.

DCA

YOW

1h 31mdirect

5:45 p.m. - 9:48 p.m.

YOW

DCA

4h 03m

1 stop

C$ 556Air Canada

Thu, 16 Jul - Thu, 16 Jul

6:00 a.m. - 10:35 a.m.

DCA

YOW

4h 35m

1 stop

2:00 p.m. - 6:12 p.m.

YOW

DCA

4h 12m

1 stop

C$ 575Air Canada

Thu, 16 Jul - Thu, 16 Jul

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

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

Porter Airlines

8 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$ 472

Porter Airlines

10 May

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

5h 39m

1 stop

YOW9:44 p.m.Ottawa

13 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

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

C$ 474

Porter Airlines

8 May

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

3h 59m

1 stop

YOW8:04 p.m.Ottawa

15 May

YOW11:00 a.m.Ottawa

4h 21m

1 stop

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

C$ 476

Air Canada flights from Washington, D.C. to Ottawa

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

Air Canada

28 May

DCA12:45 p.m.Washington, D.C. Reagan-National

1h 32m

YOW2:17 p.m.Ottawa

4 Jun

YOW10:25 a.m.Ottawa

1h 36m

DCA12:01 p.m.Washington, D.C. Reagan-National

C$ 529

Air Canada

16 Jul

DCA12:40 p.m.Washington, D.C. Reagan-National

1h 31m

YOW2:11 p.m.Ottawa

16 Jul

YOW5:45 p.m.Ottawa

4h 03m

1 stop

DCA9:48 p.m.Washington, D.C. Reagan-National

C$ 556

Air Canada

16 Jul

DCA6:00 a.m.Washington, D.C. Reagan-National

4h 35m

1 stop

YOW10:35 a.m.Ottawa

16 Jul

YOW2:00 p.m.Ottawa

4h 12m

1 stop

DCA6:12 p.m.Washington, D.C. Reagan-National

C$ 575

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 28/5

7:27 p.m.-2:33 p.m.

1 stop19h 06m

Ottawa

Thu 4/6

7:00 a.m.-6:42 p.m.

2 stops11h 42m

C$ 449

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$ 460

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 29/5

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

1 stop4h 21m

C$ 472

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 10/5

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

1 stop5h 39m

Ottawa

Wed 13/5

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 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$ 476

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 3/5

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

1 stop3h 59m

Ottawa

Mon 4/5

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

Tue 26/5

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

1 stop6h 24m

Ottawa

Thu 28/5

7:00 a.m.-6:42 p.m.

2 stops11h 42m

C$ 487

Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 28/5

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

Nonstop1h 32m

Ottawa

Thu 4/6

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

Nonstop1h 36m

C$ 529

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 16/7

12:40 p.m.-2:11 p.m.

Nonstop1h 31m

Ottawa

Thu 16/7

5:45 p.m.-9:48 p.m.

1 stop4h 03m

C$ 556

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 16/7

6:00 a.m.-10:35 a.m.

1 stop4h 35m

Ottawa

Thu 16/7

2:00 p.m.-6:12 p.m.

1 stop4h 12m

C$ 575

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. 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. and Ottawa?

What is the cheapest month to fly to Ottawa?

The month of October is, on average, the cheapest month to fly to Ottawa from Washington, D.C., with most prices found around C$ 496. If you aren’t able to travel to Ottawa during the month of October, then flying in July is also cheap. Prices for this month can be found on momondo for an average of C$ 518.

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

Our data shows that Friday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 448. Flights from Washington, D.C. to Ottawa on a Sunday will generally be more expensive and average around C$ 848. 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. to Ottawa during this time can be as low as C$ 448. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 1,070 per ticket.

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

Fly from Washington, D.C. Reagan-National to Ottawa for the best Washington, D.C. - Ottawa flight prices

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

There are 3 cabin classes available to choose from on Washington, D.C. 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. to Ottawa flights?

You could potentially save up to 48% on your flight if you consider stops on a Washington, D.C. to Ottawa flight.

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

As of April 2026, prices for Washington, D.C. to Ottawa flights are approximately 47% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. 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. to Ottawa (WAS to YOW) flight deals and tips

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

Best price found	C$ 288
Fastest flight time	1h 31m
Direct flights	Every day
Airports in Ottawa	1 airport

The best one-way flight to Ottawa from Washington, D.C. in the past 72 hours is C$ 288. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is C$ 205.

The fastest flight from Washington, D.C. to Ottawa takes 1h 31m

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

There is 1 airport in Ottawa. From Washington, D.C. there are direct flights to Ottawa (YOW).

Search flight deals

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

How far is Washington, D.C. to Ottawa by plane?
There are 731.6 km between Washington, D.C. and Ottawa. 1h 31m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to Ottawa Airport?
Prices for flights from Washington, D.C. to Ottawa Airport refresh daily.
How old do you have to be to fly from Washington, D.C. to Ottawa Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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. to Ottawa?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Washington, D.C. to Ottawa is Canadair (Bombardier) Regional Jet CRJ-550 (23.41% of total bookings). The next most popular plane models are Embraer 175 (Enhanced Winglets) (19.51%), Boeing 737 MAX 8 (10.37%), and Canadair (Bombardier) Regional Jet 900 (9.27%).
What is the most popular airline from Washington, D.C. to Ottawa?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to Ottawa is Porter Airlines (100% of total bookings).

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Brockville

Pembroke

Perth

Smiths Falls

Prescott

Wakefield

Petawawa

Calabogie

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Ottawa. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Ottawa from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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. to Ottawa from C$ 201

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Ottawa departing on 30/5. 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 Washington, D.C. to Ottawa

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

Air Canada flights from Washington, D.C. to Ottawa

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

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See travel insights to Ottawa from

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

What is the typical price of a round-trip flight between Washington, D.C. 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. to Ottawa flight route?

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

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

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

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

Which airlines fly to Ottawa?

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

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

How long does it take to fly to Ottawa?

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

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

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

Best price found

Fastest flight time

Direct flights

Airports in Ottawa

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

Airports servicing Ontario

Fly your favourite airline to Ottawa

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ottawa

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

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