How long does it take to fly to Ottawa?

Average flight duration from Washington, D.C. to Ottawa depends on which airport you fly into and out of. Flying from Washington, D.C. to Montreal Pierre Elliott Trudeau Intl Airport is 1h 41m on average, while flying from Baltimore to Montreal Pierre Elliott Trudeau Intl Airport is 5h 26m on average. Montreal Pierre Elliott Trudeau Intl Airport is the most popular airport in Ottawa.

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

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

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

As of May 2026, there are 73 flights per week flying from Washington, D.C. to Ottawa. 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 Washington, D.C. to Ottawa?

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

What 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 62% of people opting to fly with this airline when traveling to Ottawa. Keep in mind that there are 4 different airlines that fly to Ottawa on a routine basis, so you have a few additional options to choose from.

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 were last updated today.

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

As of May 2026, there are 3 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?

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. to Ottawa Airport.

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

The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$140 Cheap Flights from Washington, D.C. to Ottawa in 2026

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

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

11:30 am - 7:14 pm

IAD

YOW

7h 44m

1 stop

7:00 am - 7:50 pm

YOW

IAD

12h 50m

1 stop

$348Multiple Airlines

Sat, May 30 - Sat, Jun 6

4:05 pm - 8:04 pm

IAD

YOW

3h 59m

1 stop

11:00 am - 3:16 pm

YOW

IAD

4h 16m

1 stop

$349Porter Airlines

Fri, Jun 12 - Fri, Jun 19

4:00 pm - 8:04 pm

IAD

YOW

4h 04m

1 stop

11:00 am - 3:16 pm

YOW

IAD

4h 16m

1 stop

$351Porter Airlines

Fri, Jul 10 - Tue, Jul 14

11:30 am - 2:54 pm

IAD

YOW

3h 24m

1 stop

11:00 am - 3:16 pm

YOW

IAD

4h 16m

1 stop

$354Porter Airlines

Fri, Jun 12 - Fri, Jun 19

4:05 pm - 8:04 pm

IAD

YOW

3h 59m

1 stop

11:00 am - 3:16 pm

YOW

IAD

4h 16m

1 stop

$355Porter Airlines

Fri, Jun 12 - Thu, Jun 18

8:47 pm - 3:00 pm

IAD

YOW

18h 13m

2 stops

11:00 am - 3:21 pm

YOW

IAD

4h 21m

1 stop

$360Multiple Airlines

Sun, Jun 7 - Fri, Jun 12

12:45 pm - 2:17 pm

DCA

YOW

1h 32mnonstop

10:25 am - 12:00 pm

YOW

DCA

1h 35mnonstop

$379Air Canada

Sun, Jun 14 - Sun, Jun 21

6:00 am - 10:35 am

DCA

YOW

4h 35m

1 stop

10:25 am - 12:00 pm

YOW

DCA

1h 35mnonstop

$382Air Canada

Sun, Jun 14 - Sun, Jun 21

12:45 pm - 2:17 pm

DCA

YOW

1h 32mnonstop

10:25 am - 12:00 pm

YOW

DCA

1h 35mnonstop

$383Air Canada

Mon, Jun 15 - Mon, Jun 22

12:45 pm - 2:17 pm

DCA

YOW

1h 32mnonstop

9:10 am - 3:38 pm

YOW

DCA

6h 28m

1 stop

$388Air Canada

Tue, Jun 16 - Tue, Jun 23

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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

Jun 12

IAD4:05 pmWashington, D.C. Dulles Intl

3h 59m

1 stop

YOW8:04 pmOttawa

Jun 19

YOW11:00 amOttawa

4h 16m

1 stop

IAD3:16 pmWashington, D.C. Dulles Intl

$349

Porter Airlines

Jul 10

IAD4:00 pmWashington, D.C. Dulles Intl

4h 04m

1 stop

YOW8:04 pmOttawa

Jul 14

YOW11:00 amOttawa

4h 16m

1 stop

IAD3:16 pmWashington, D.C. Dulles Intl

$351

Porter Airlines

Jun 12

IAD11:30 amWashington, D.C. Dulles Intl

3h 24m

1 stop

YOW2:54 pmOttawa

Jun 19

YOW11:00 amOttawa

4h 16m

1 stop

IAD3:16 pmWashington, D.C. Dulles Intl

$354

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

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

Air Canada

Jun 13

DCA12:45 pmWashington, D.C. Reagan-National

1h 32m

YOW2:17 pmOttawa

Jun 14

YOW10:25 amOttawa

1h 36m

DCA12:01 pmWashington, D.C. Reagan-National

$379

Air Canada

Jun 14

DCA6:00 amWashington, D.C. Reagan-National

4h 35m

1 stop

YOW10:35 amOttawa

Jun 21

YOW10:25 amOttawa

1h 35m

DCA12:00 pmWashington, D.C. Reagan-National

$382

Air Canada

Jun 15

DCA12:45 pmWashington, D.C. Reagan-National

1h 32m

YOW2:17 pmOttawa

Jun 22

YOW10:25 amOttawa

1h 35m

DCA12:00 pmWashington, D.C. Reagan-National

$383

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sat 5/30

11:30 am-7:14 pm

1 stop7h 44m

Ottawa

Sat 6/6

7:00 am-7:50 pm

1 stop12h 50m

$348

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 6/12

4:05 pm-8:04 pm

1 stop3h 59m

Ottawa

Fri 6/19

11:00 am-3:16 pm

1 stop4h 16m

$349

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 7/10

4:00 pm-8:04 pm

1 stop4h 04m

Ottawa

Tue 7/14

11:00 am-3:16 pm

1 stop4h 16m

$351

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 6/12

11:30 am-2:54 pm

1 stop3h 24m

Ottawa

Fri 6/19

11:00 am-3:16 pm

1 stop4h 16m

$354

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Fri 6/12

4:05 pm-8:04 pm

1 stop3h 59m

Ottawa

Thu 6/18

11:00 am-3:16 pm

1 stop4h 16m

$355

Washington, D.C.Ottawa

IAD - YOW

IADYOW

Washington, D.C. Dulles Intl

Sun 6/7

8:47 pm-3:00 pm

2 stops18h 13m

Ottawa

Fri 6/12

11:00 am-3:21 pm

1 stop4h 21m

$360

Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 6/14

12:45 pm-2:17 pm

Nonstop1h 32m

Ottawa

Sun 6/21

10:25 am-12:00 pm

Nonstop1h 35m

$379

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sun 6/14

6:00 am-10:35 am

1 stop4h 35m

Ottawa

Sun 6/21

10:25 am-12:00 pm

Nonstop1h 35m

$382

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 6/15

12:45 pm-2:17 pm

Nonstop1h 32m

Ottawa

Mon 6/22

10:25 am-12:00 pm

Nonstop1h 35m

$383

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 6/16

12:45 pm-2:17 pm

Nonstop1h 32m

Ottawa

Tue 6/23

9:10 am-3:38 pm

1 stop6h 28m

$388

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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

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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?

In general, June is the cheapest month to fly from Washington, D.C. to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $135. The month of December is another great option to travel to Ottawa, with average flight prices from Washington, D.C. averaging around $140.

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

The cheapest day to depart from Washington, D.C. to Ottawa is on a Friday. Travelers who choose to depart for Ottawa on a Friday will often find tickets for as low as $469. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Ottawa on Monday is $530.

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

In the morning is the cheapest time of day to fly from Washington, D.C. to Ottawa when you can find flight prices for as low as $469. Flying to Ottawa in the morning is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $885 on average. Flights to Ottawa from Washington, D.C. in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

You could potentially save up to 15% 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 May 2026, prices for Washington, D.C. to Ottawa flights are approximately 1% 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	$155
Fastest flight time	1h 30m
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 $155. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is $220.

The fastest flight from Washington, D.C. to Ottawa takes 1h 30m

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).

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

How far is Washington, D.C. to Ottawa by plane?
The straight-line distance from Washington, D.C. to Ottawa is 454.6 mi. 1h 30m 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 were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Ottawa Airport?
As of May 2026, there are 3 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?
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. to Ottawa Airport.
What documentation or ID do you need to fly to Ottawa Airport?
The required travel and health documents for your Ottawa Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Ottawa Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Washington, D.C. to Ottawa?
momondo data reveals that the most frequently booked plane model on the route from Washington, D.C. to Ottawa is Canadair (Bombardier) Regional Jet CRJ-550, representing 22.69% of all bookings. The subsequent popular models are Embraer 175 (Enhanced Winglets) at 20.77%, Boeing 737 MAX 8 at 11.17%, and Canadair (Bombardier) Regional Jet 900 at 8.92%.
What is the most popular airline from Washington, D.C. to Ottawa?
Based on momondo bookings for flights between Washington, D.C. and Ottawa, the leading airline is Air Canada, making up 54% of the total bookings. Other popular airlines include United Airlines with 33% and Porter Airlines with 14%.

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
Porter Airlines	PriceFrom $169	Free Cancellation	Rating 8.0 436 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $200	Free Cancellation	Rating 7.1 10,993 reviews	Search Air Canada flights
United Airlines	PriceFrom $204	Free Cancellation	Rating 7.4 9,684 reviews	Search United Airlines flights

United Airlines Flights From Washington, D.C. to Ottawa
The lowest priced United Airlines flight from Washington, D.C. to Ottawa from the last 72 hours was $204. Generally, United Airlines has 33 flights on this route every week with an average price of $505. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Washington, D.C. to Ottawa
Across 10,993 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Washington, D.C. to Ottawa about 33 times each week, with ticket deals ranging from $200 to $482. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

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

It is quick and easy to find Washington, D.C. to Ottawa flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ottawa that suits you.

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

All flight searches from Washington, D.C. to Ottawa on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Ottawa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Ottawa from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Cheap flights from Washington, D.C. to Ottawa from $140

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 6/23. 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

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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?

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?

What 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

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Best Price Found

Fastest flight time

Direct flights

Airports in Ottawa

Frequently asked questions about flying 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

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

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

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An easier way to manage your Ottawa trip

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