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 39m on average, while flying from Baltimore to Montreal Pierre Elliott Trudeau Intl Airport is 4h 59m 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 week?

As of September 2026, there are 77 flights per week flying from Washington, D.C. to Ottawa. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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 61% 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.

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

As of September 2026, there are 11 flights per day flying from Washington, D.C. to Ottawa. The most common time of day flights depart is 12:00PM, with 63% of flights taking off in the afternoon.

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

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

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 September 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.

$145 Cheap Flights from Washington, D.C. to Ottawa in 2026

Discover deals from 900+ travel sites with momondo.

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.

3:45 pm - 10:10 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

6h 25m1 stop Montreal Pierre Elliott Trudeau Intl

9:55 am - 4:42 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

6h 47m1 stop Toronto Island

$301Air Canada

Tue, Oct 13 - Wed, Oct 14

11:25 am - 5:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

6h 27m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$320Porter Airlines

Fri, Oct 16 - Sun, Oct 18

6:13 pm - 12:20 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

30h 07m2 stops Fort Lauderdale Toronto Pearson Intl

7:05 am - 8:11 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 06m1 stop Fort Lauderdale

$323Multiple Airlines

Wed, Oct 7 - Wed, Nov 4

6:13 pm - 12:20 amIAD Washington, D.C. Dulles Intl-YOW Ottawa

30h 07m2 stops Fort Lauderdale Toronto Pearson Intl

7:05 am - 8:11 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 06m1 stop Fort Lauderdale

$328Multiple Airlines

Wed, Oct 7 - Wed, Nov 4

11:20 am - 4:09 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 49m1 stop Toronto Island

12:15 pm - 5:43 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

5h 28m1 stop Toronto Island

$331Porter Airlines

Thu, Oct 29 - Sun, Nov 1

11:20 am - 4:09 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 49m1 stop Toronto Island

12:15 pm - 5:43 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

5h 28m1 stop Toronto Island

$331Porter Airlines

Mon, Oct 26 - Mon, Nov 2

12:40 pm - 2:12 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$347Air Canada

Thu, Oct 1 - Sun, Oct 4

6:00 am - 11:30 amDCA Washington, D.C. Reagan-National-YOW Ottawa

5h 30m1 stop Montreal Pierre Elliott Trudeau Intl

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$353Air Canada

Thu, Oct 1 - Sun, Oct 4

6:05 am - 1:11 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

7h 06m1 stop Newark

4:42 pm - 12:38 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

7h 56m1 stop Chicago O'Hare Intl

$481United Airlines

Wed, Dec 30 - Wed, Dec 30

6:05 am - 1:11 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

7h 06m1 stop Newark

4:42 pm - 12:38 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

7h 56m1 stop Chicago O'Hare Intl

$481United Airlines

Thu, Dec 31 - Thu, Dec 31

Cheap last minute flights

Enter your travel dates to find the best prices.

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$478Air Canada

Wed, Sep 16 - Tue, Sep 22

6:00 am - 10:18 amDCA Washington, D.C. Reagan-National-YOW Ottawa

4h 18m1 stop Montreal Pierre Elliott Trudeau Intl

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$486Air Canada

Wed, Sep 16 - Tue, Sep 22

5:20 pm - 9:52 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

4h 32m1 stop Toronto Island

11:15 am - 3:00 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

3h 45m1 stop Montreal Pierre Elliott Trudeau Intl

$487Air Canada

Fri, Sep 18 - Fri, Oct 2

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

8:00 am - 5:46 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

9h 46m2 stops Toronto Island Newark

$591Porter Airlines

Wed, Sep 16 - Wed, Sep 23

11:25 am - 7:07 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

7h 42m1 stop Toronto Island

10:40 am - 3:10 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

4h 30m1 stop Toronto Island

$598Porter Airlines

Sat, Sep 19 - Mon, Sep 21

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

2:10 pm - 10:59 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

8h 49m1 stop Newark

$603Porter Airlines

Wed, Sep 16 - Wed, Sep 23

11:25 am - 7:07 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

7h 42m1 stop Toronto Island

7:00 am - 8:09 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

$623Multiple Airlines

Sat, Sep 19 - Mon, Sep 21

1:55 pm - 3:07 pmBWI Baltimore/Washington-YOW Ottawa

25h 12m1 stop Fort Lauderdale

7:00 am - 1:00 pmYOW Ottawa-BWI Baltimore/Washington

30h 00m1 stop Fort Lauderdale

$658Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

6:13 pm - 3:07 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

20h 54m1 stop Fort Lauderdale

7:00 am - 8:09 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

13h 09m1 stop Fort Lauderdale

$672Multiple Airlines

Fri, Sep 18 - Mon, Sep 21

12:55 pm - 2:27 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:40 am - 12:14 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$1,396United Airlines

Fri, Sep 18 - Sun, Sep 20

Cheap direct flights

Enter your travel dates to find the best prices.

12:40 pm - 2:12 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$347Air Canada

Thu, Oct 1 - Sun, Oct 4

12:50 pm - 2:22 pmDCA Washington, D.C. Reagan-National-YOW Ottawa

1h 32mnonstop

10:35 am - 12:09 pmYOW Ottawa-DCA Washington, D.C. Reagan-National

1h 34mnonstop

$358Air Canada

Tue, Oct 13 - Wed, Oct 14

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

2:52 pm - 4:35 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$435Air Canada

Sun, Sep 27 - Sun, Oct 11

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

7:30 pm - 9:14 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

$435Air Canada

Wed, Oct 7 - Wed, Oct 14

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$497Lufthansa

Sat, Oct 10 - Mon, Oct 12

1:17 pm - 3:07 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

2:00 pm - 4:01 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 01mnonstop

$514United Airlines

Fri, Dec 25 - Mon, Dec 28

5:40 pm - 7:27 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 47mnonstop

2:00 pm - 4:01 pmYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 01mnonstop

$514United Airlines

Thu, Dec 24 - Mon, Dec 28

5:40 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 50mnonstop

9:45 am - 11:46 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

2h 01mnonstop

$514United Airlines

Wed, Jan 13 - Sun, Jan 17

10:10 pm - 11:54 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 44mnonstop

10:00 am - 11:44 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 44mnonstop

$546Multiple Airlines

Fri, Oct 9 - Sun, Oct 11

5:15 pm - 6:55 pmIAD Washington, D.C. Dulles Intl-YOW Ottawa

1h 40mnonstop

6:00 am - 7:43 amYOW Ottawa-IAD Washington, D.C. Dulles Intl

1h 43mnonstop

$588Multiple Airlines

Fri, Oct 2 - Sun, Oct 4

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

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

Porter Airlines

Oct 16

IAD11:25 amWashington, D.C. Dulles Intl

6h 27m

1 stop

YOW5:52 pmOttawa

Oct 18

YOW10:40 amOttawa

4h 30m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$320

Porter Airlines

Oct 26

IAD11:20 amWashington, D.C. Dulles Intl

4h 49m

1 stop

YOW4:09 pmOttawa

Nov 2

YOW12:15 pmOttawa

5h 28m

1 stop

IAD5:43 pmWashington, D.C. Dulles Intl

$331

Porter Airlines

Oct 11

IAD3:50 pmWashington, D.C. Dulles Intl

5h 52m

1 stop

YOW9:42 pmOttawa

Oct 18

YOW10:40 amOttawa

4h 30m

1 stop

IAD3:10 pmWashington, D.C. Dulles Intl

$344

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

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

Air Canada

Oct 13

IAD3:45 pmWashington, D.C. Dulles Intl

6h 25m

1 stop

YOW10:10 pmOttawa

Oct 14

YOW9:55 amOttawa

6h 47m

1 stop

IAD4:42 pmWashington, D.C. Dulles Intl

$301

Air Canada

Oct 1

DCA12:40 pmWashington, D.C. Reagan-National

1h 32m

YOW2:12 pmOttawa

Oct 4

YOW10:35 amOttawa

1h 34m

DCA12:09 pmWashington, D.C. Reagan-National

$347

Air Canada

Oct 1

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

5h 30m

1 stop

YOW11:30 amOttawa

Oct 4

YOW10:35 amOttawa

1h 34m

DCA12:09 pmWashington, D.C. Reagan-National

$353

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Tue 10/13

3:45 pm-10:10 pm

1 stop6h 25m

Ottawa

Wed 10/14

9:55 am-4:42 pm

1 stop6h 47m

$301

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Fri 10/16

11:25 am-5:52 pm

1 stop6h 27m

Ottawa

Sun 10/18

10:40 am-3:10 pm

1 stop4h 30m

$320

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Wed 10/7

6:13 pm-12:20 am

2 stops30h 07m

Ottawa

Wed 11/4

7:05 am-8:11 pm

1 stop13h 06m

$323

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Wed 10/7

6:13 pm-12:20 am

2 stops30h 07m

Ottawa

Wed 11/4

7:05 am-8:11 pm

1 stop13h 06m

$328

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Thu 10/29

11:20 am-4:09 pm

1 stop4h 49m

Ottawa

Sun 11/1

12:15 pm-5:43 pm

1 stop5h 28m

$331

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Mon 10/26

11:20 am-4:09 pm

1 stop4h 49m

Ottawa

Mon 11/2

12:15 pm-5:43 pm

1 stop5h 28m

$331

Quickest round-trip

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 10/1

12:40 pm-2:12 pm

Nonstop1h 32m

Ottawa

Sun 10/4

10:35 am-12:09 pm

Nonstop1h 34m

$347

Washington, D.C.Ottawa

DCA Washington, D.C. Reagan-National - YOW Ottawa

DCAYOW

Washington, D.C. Reagan-National

Thu 10/1

6:00 am-11:30 am

1 stop5h 30m

Ottawa

Sun 10/4

10:35 am-12:09 pm

Nonstop1h 34m

$353

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Wed 12/30

6:05 am-1:11 pm

1 stop7h 06m

Ottawa

Wed 12/30

4:42 pm-12:38 am

1 stop7h 56m

$481

Washington, D.C.Ottawa

IAD Washington, D.C. Dulles Intl - YOW Ottawa

IADYOW

Washington, D.C. Dulles Intl

Thu 12/31

6:05 am-1:11 pm

1 stop7h 06m

Ottawa

Thu 12/31

4:42 pm-12:38 am

1 stop7h 56m

$481

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?

Prices are currently low for flights on this route.

Typical prices usually range from $367 to $513.
The lowest price recently found on this route was $301.

What is the cheapest month to fly to Ottawa?

In general, March 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 $438. The month of October is another great option to travel to Ottawa, with average flight prices from Washington, D.C. averaging around $440.

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 Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $473. 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 $568.

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 $486. 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 $983 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. 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 4 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.

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

As of September 2026, prices for Washington, D.C. to Ottawa flights are approximately 18% cheaper 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	$145
Fastest flight time	1h 32m
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 $145. The best round-trip flight deal from Washington, D.C. to Ottawa found on momondo in the last 72 hours is $301.

The fastest flight from Washington, D.C. to Ottawa takes 1h 32m

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?
The straight-line distance from Washington, D.C. to Ottawa is 454.6 mi. 1h 32m 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 September 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 Embraer 175 (Enhanced Winglets), representing 30.29% of all bookings. The subsequent popular models are Canadair (Bombardier) Regional Jet CRJ-550 at 26.42%, Canadair (Bombardier) Regional Jet 900 at 15.93%, and Boeing 737 MAX 8 at 3.14%.
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 52% of the total bookings. Other popular airlines include United Airlines with 34% 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 8.0 460 reviews	Search Porter Airlines flights
Air Canada	PriceFrom $187	Free Cancellation	Rating 7.1 11,623 reviews	Search Air Canada flights
United Airlines	PriceFrom $201	Free Cancellation	Rating 7.4 10,212 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 $201. Generally, United Airlines has 35 flights on this route every week with an average price of $540. United Airlines is rated 7.4/10 by our users.
Air Canada Flights From Washington, D.C. to Ottawa
Across 11,621 Air Canada reviews on momondo, the average score is 7.1/10. Air Canada flies from Washington, D.C. to Ottawa about 35 times each week, with ticket deals ranging from $187 to $507. Price data is based on momondo searches in the last 72 hours.

Gatineau

Brockville

Pembroke

Petawawa

Calabogie

Smiths Falls

Perth

Prescott

Wakefield

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 10/14

Wed 10/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Nearby airports

Airlines

Cabin classes

Other Canada destinations

Other flights from Washington, D.C.

Complete your trip

Feeling lucky

Cheap flights from Washington, D.C. to Ottawa from $145

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 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Ottawa that are best for you.

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?

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

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

Traveling 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 favorite 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.

Popular cities in Canada

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C.

According to popular flight searches on momondo this year

Complete your trip to Ottawa

Explore popular destinations other users love

According to popular flight searches on momondo this year