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

Porter Airlines, Air Canada, and United Airlines 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 43m 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 29m. Keep in mind that layovers or delays could extend your travel time.

Which airlines fly to Ottawa?

Air Canada, Porter Airlines and WestJet 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 58% 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. to Ottawa on average per day?

As of September 2025, there are 9 flights per day flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 12:00p.m., with 78% of flights taking off in the afternoon.

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

As of September 2025, 63 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 14% of weekly flights taking off on this day.

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

As of September 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Ottawa Airport.

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$ 114 Cheap Flights from Washington, D.C. to Ottawa in 2025/26

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$ 454 to C$ 884. The lowest price recently found on this route was C$ 407.

1 adult

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

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

8:21 a.m. - 12:22 a.m.BWI-YOW

16h 01m2 stops

4:25 p.m. - 10:20 a.m.YOW-BWI

17h 55m1 stop

C$ 407

Find Deal

Fri, 3 Oct - Mon, 6 Oct

8:00 a.m. - 5:13 p.m.BWI-YOW

9h 13m1 stop

9:30 a.m. - 8:34 a.m.YOW-BWI

23h 04m1 stop

C$ 428

Find Deal

Wed, 29 Oct - Wed, 5 Nov

8:00 a.m. - 5:13 p.m.BWI-YOW

9h 13m1 stop

9:30 a.m. - 8:34 a.m.YOW-BWI

23h 04m1 stop

C$ 429

Find Deal

Wed, 29 Oct - Wed, 5 Nov

8:21 p.m. - 5:20 p.m.BWI-YOW

20h 59m1 stop

4:25 p.m. - 10:20 a.m.YOW-BWI

17h 55m1 stop

C$ 430

Find Deal

Mon, 13 Oct - Mon, 20 Oct

11:35 a.m. - 4:34 p.m.IAD-YOW

4h 59m1 stop

8:35 a.m. - 3:06 p.m.YOW-IAD

6h 31m1 stop

C$ 450Porter Airlines

Find Deal

Sun, 12 Oct - Sun, 19 Oct

11:35 a.m. - 4:34 p.m.IAD-YOW

4h 59m1 stop

8:35 a.m. - 3:06 p.m.YOW-IAD

6h 31m1 stop

C$ 451Porter Airlines

Find Deal

Thu, 9 Oct - Thu, 16 Oct

6:00 a.m. - 9:42 a.m.DCA-YOW

3h 42m1 stop

10:30 a.m. - 12:19 p.m.YOW-DCA

1h 49mdirect

C$ 523Air Canada

Find Deal

Wed, 29 Oct - Wed, 5 Nov

6:00 a.m. - 9:42 a.m.DCA-YOW

3h 42m1 stop

10:50 a.m. - 3:31 p.m.YOW-DCA

4h 41m1 stop

C$ 525Air Canada

Find Deal

Wed, 29 Oct - Wed, 5 Nov

6:15 a.m. - 12:16 p.m.IAD-YOW

6h 01m1 stop

2:45 p.m. - 4:28 p.m.YOW-IAD

1h 43mdirect

C$ 561United Airlines

Find Deal

Sat, 18 Oct - Sat, 18 Oct

8:20 a.m. - 2:04 p.m.IAD-YOW

5h 44m1 stop

5:50 p.m. - 10:58 p.m.YOW-IAD

5h 08m1 stop

C$ 565United Airlines

Find Deal

Sat, 18 Oct - Sat, 18 Oct

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

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

Porter Airlines

12 Oct

IAD11:35 a.m.Washington, D.C. Dulles Intl

4h 59m

1 stop

YOW4:34 p.m.Ottawa

19 Oct

YOW8:35 a.m.Ottawa

6h 31m

1 stop

IAD3:06 p.m.Washington, D.C. Dulles Intl

C$ 450

Find similar

Porter Airlines

9 Oct

IAD11:35 a.m.Washington, D.C. Dulles Intl

4h 59m

1 stop

YOW4:34 p.m.Ottawa

16 Oct

YOW8:35 a.m.Ottawa

6h 31m

1 stop

IAD3:06 p.m.Washington, D.C. Dulles Intl

C$ 451

Find similar

Porter Airlines

29 Oct

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

3h 24m

1 stop

YOW3:04 p.m.Ottawa

5 Nov

YOW6:50 a.m.Ottawa

3h 34m

1 stop

IAD10:24 a.m.Washington, D.C. Dulles Intl

C$ 455

Find similar

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

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

Air Canada

29 Oct

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

3h 42m

1 stop

YOW9:42 a.m.Ottawa

5 Nov

YOW10:30 a.m.Ottawa

1h 49m

DCA12:19 p.m.Washington, D.C. Reagan-National

C$ 523

Find similar

Air Canada

29 Oct

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

3h 42m

1 stop

YOW9:42 a.m.Ottawa

5 Nov

YOW10:50 a.m.Ottawa

4h 41m

1 stop

DCA3:31 p.m.Washington, D.C. Reagan-National

C$ 525

Find similar

Air Canada

27 Oct

DCA12:55 p.m.Washington, D.C. Reagan-National

1h 35m

YOW2:30 p.m.Ottawa

3 Nov

YOW10:30 a.m.Ottawa

1h 49m

DCA12:19 p.m.Washington, D.C. Reagan-National

C$ 587

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Fri 3/10

8:21 a.m.-12:22 a.m.

2 stops16h 01m

Ottawa

Mon 6/10

4:25 p.m.-10:20 a.m.

1 stop17h 55m

C$ 407

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 29/10

8:00 a.m.-5:13 p.m.

1 stop9h 13m

Ottawa

Wed 5/11

9:30 a.m.-8:34 a.m.

1 stop23h 04m

C$ 428

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Wed 29/10

8:00 a.m.-5:13 p.m.

1 stop9h 13m

Ottawa

Wed 5/11

9:30 a.m.-8:34 a.m.

1 stop23h 04m

C$ 429

BaltimoreOttawa

BWI - YOW

BWIYOW

Baltimore/Washington

Mon 13/10

8:21 p.m.-5:20 p.m.

1 stop20h 59m

Ottawa

Mon 20/10

4:25 p.m.-10:20 a.m.

1 stop17h 55m

C$ 430

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 12/10

11:35 a.m.-4:34 p.m.

1 stop4h 59m

Ottawa

Sun 19/10

8:35 a.m.-3:06 p.m.

1 stop6h 31m

C$ 450

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Thu 9/10

11:35 a.m.-4:34 p.m.

1 stop4h 59m

Ottawa

Thu 16/10

8:35 a.m.-3:06 p.m.

1 stop6h 31m

C$ 451

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 29/10

6:00 a.m.-9:42 a.m.

1 stop3h 42m

Ottawa

Wed 5/11

10:30 a.m.-12:19 p.m.

Nonstop1h 49m

C$ 523

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 29/10

6:00 a.m.-9:42 a.m.

1 stop3h 42m

Ottawa

Wed 5/11

10:50 a.m.-3:31 p.m.

1 stop4h 41m

C$ 525

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 18/10

6:15 a.m.-12:16 p.m.

1 stop6h 01m

Ottawa

Sat 18/10

2:45 p.m.-4:28 p.m.

Nonstop1h 43m

C$ 561

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 18/10

8:20 a.m.-2:04 p.m.

1 stop5h 44m

Ottawa

Sat 18/10

5:50 p.m.-10:58 p.m.

1 stop5h 08m

C$ 565

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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 January is, on average, the cheapest month to fly to Ottawa from Washington, D.C., with most prices found around C$ 356. If you aren’t able to travel to Ottawa during the month of January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of C$ 428.

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

Our data shows that Tuesday is the least expensive day to fly to Ottawa. Tickets to fly out on this day can be as low as C$ 241. Flights from Washington, D.C. to Ottawa on a Sunday will generally be more expensive and average around C$ 961. 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$ 337. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 961 per ticket.

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

Fly from Washington, D.C. Dulles Intl 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 12% 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 September 2025, prices for Washington, D.C. 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. 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

Fastest flight time	1h 31m
Direct flights	Every day
Airports in Ottawa	1 airport

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 near Ottawa: Ottawa (YOW)

Search flight deals

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 many operators does momondo search for flights from Washington, D.C. to Ottawa Airport?
As of September 2025, there are 2 operators available to choose from for flights from Washington, D.C. to Ottawa Airport.
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 (40.76% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 900 (20.82%), Boeing 737 MAX 9 (4.86%), and Embraer 175 (Enhanced Winglets) (3.50%).
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 (62% of total bookings). The next most popular airline is Air Canada (38%).

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

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

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 280	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights
Porter Airlines	PriceFrom C$ 393	Free Cancellation	Rating 7.9 363 reviews		Search Porter Airlines flights

Air Canada Flights From Washington, D.C. to Ottawa
Air Canada operates around 28 flights from Washington, D.C. to Ottawa every week. The average price of these flights found in the last 72 hours has been C$ 408, but momondo users have found Air Canada deals from Washington, D.C. to Ottawa from as low as C$ 202 round-trip. Air Canada has been scored 7.1/10 in 10,000 reviews.

Gatineau

Pembroke

Brockville

Smiths Falls

Perth

Wakefield

Calabogie

Petawawa

Winchester

Prescott

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.

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.

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Wed 22/10

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Cheap flights from Washington, D.C. to Ottawa from C$ 173

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 31/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

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Filter for what you want

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Trusted and free

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

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

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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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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

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?

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$ 337. In the afternoon is when there is more demand to fly to Ottawa, so prices are often more expensive at around C$ 961 per ticket.

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

Fly from Washington, D.C. Dulles Intl 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 12% 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 September 2025, prices for Washington, D.C. to Ottawa flights are approximately 58% more expensive when compared to flights at the same time last year.

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

Porter Airlines, Air Canada, and United Airlines are the most popular carriers operating 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?

As of September 2025, there are 9 flights per day flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 12:00p.m., with 78% of flights taking off in the afternoon.

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

As of September 2025, 63 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 14% of weekly flights taking off on this day.

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

Fastest flight time

Direct flights

Airports in Ottawa

How far is Washington, D.C. to Ottawa by plane?

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

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

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

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

What is the most popular plane model from Washington, D.C. to Ottawa?

What is the most popular airline from Washington, D.C. to Ottawa?

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

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

Air Canada Flights From Washington, D.C. to 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