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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from $162

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. Reagan-National Airport to Ottawa departing on 3/26. 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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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
12:55 pm - 2:30 pm
DCA
-
YOW
1h 35mnonstop
Air Canada Logo
10:30 am - 12:19 pm
YOW
-
DCA
1h 49mnonstop
$308Air Canada
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
6:00 am - 9:41 am
DCA
-
YOW
3h 41m
1 stop
Air Canada Logo
10:30 am - 12:19 pm
YOW
-
DCA
1h 49mnonstop
$317Air Canada
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
6:00 am - 9:41 am
DCA
-
YOW
3h 41m
1 stop
Air Canada Logo
4:15 pm - 10:35 pm
YOW
-
DCA
6h 20m
1 stop
$326Air Canada
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
12:55 pm - 2:27 pm
DCA
-
YOW
1h 32mnonstop
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
$356Air Canada
Fri, Apr 17 - Sun, Apr 19
Air Canada Logo
6:00 am - 10:10 am
DCA
-
YOW
4h 10m
1 stop
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
$365Air Canada
Fri, Apr 17 - Sun, Apr 19
Air Canada Logo
9:40 am - 3:19 pm
DCA
-
YOW
5h 39m
1 stop
Air Canada Logo
10:25 am - 12:01 pm
YOW
-
DCA
1h 36mnonstop
$370Air Canada
Thu, Apr 16 - Sun, Apr 19
United Airlines Logo
3:30 pm - 9:18 pm
DCA
-
YOW
5h 48m
1 stop
United Airlines Logo
3:15 pm - 9:35 pm
YOW
-
DCA
6h 20m
1 stop
$371United Airlines
Tue, Mar 3 - Fri, Mar 6
Air Canada Logo
6:00 am - 9:41 am
DCA
-
YOW
3h 41m
1 stop
Air Canada Logo
5:45 am - 10:21 am
YOW
-
DCA
4h 36m
1 stop
$373Air Canada
Fri, Mar 20 - Sun, Mar 22
Air Canada Logo
6:00 am - 9:41 am
DCA
-
YOW
3h 41m
1 stop
Air Canada Logo
5:45 am - 10:21 am
YOW
-
DCA
4h 36m
1 stop
$376Air Canada
Sat, Mar 21 - Sat, Mar 28
Air Canada Logo
12:55 pm - 2:30 pm
DCA
-
YOW
1h 35mnonstop
Air Canada Logo
10:30 am - 12:19 pm
YOW
-
DCA
1h 49mnonstop
$378Air Canada
Thu, Mar 19 - Thu, Mar 26

Air Canada flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best Air Canada deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
Air Canada
Feb 26
DCA12:55 pmWashington, D.C. Reagan-National
1h 35m
YOW2:30 pmOttawa
Mar 2
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
$308
Air Canada
Feb 26
DCA6:00 amWashington, D.C. Reagan-National
3h 41m
1 stop
YOW9:41 amOttawa
Mar 2
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
$317
Air Canada
Feb 26
DCA6:00 amWashington, D.C. Reagan-National
3h 41m
1 stop
YOW9:41 amOttawa
Mar 2
YOW4:15 pmOttawa
6h 20m
1 stop
DCA10:35 pmWashington, D.C. Reagan-National
$326

United Airlines flights from Washington, D.C. Reagan-National Airport to Ottawa

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
United Airlines
Mar 16
DCA3:30 pmWashington, D.C. Reagan-National
5h 48m
1 stop
YOW9:18 pmOttawa
Mar 21
YOW3:15 pmOttawa
6h 20m
1 stop
DCA9:35 pmWashington, D.C. Reagan-National
$371
United Airlines
Feb 13
DCA12:55 pmWashington, D.C. Reagan-National
1h 35m
YOW2:30 pmOttawa
Feb 17
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
$821
United Airlines
Feb 13
DCA9:05 amWashington, D.C. Reagan-National
4h 29m
1 stop
YOW1:34 pmOttawa
Feb 17
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
$831

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated February 4, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 2/26

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

Mon 3/2

10:30 am-12:19 pm

Nonstop1h 49m

$308

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 2/26

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Mon 3/2

10:30 am-12:19 pm

Nonstop1h 49m

$317

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 2/26

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Mon 3/2

4:15 pm-10:35 pm

1 stop6h 20m

$326

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 4/17

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

Sun 4/19

10:25 am-12:01 pm

Nonstop1h 36m

$356

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 4/17

6:00 am-10:10 am

1 stop4h 10m

Ottawa

Sun 4/19

10:25 am-12:01 pm

Nonstop1h 36m

$365

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 4/16

9:40 am-3:19 pm

1 stop5h 39m

Ottawa

Sun 4/19

10:25 am-12:01 pm

Nonstop1h 36m

$370

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 3/3

3:30 pm-9:18 pm

1 stop5h 48m

Ottawa

Fri 3/6

3:15 pm-9:35 pm

1 stop6h 20m

$371

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 3/20

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Sun 3/22

5:45 am-10:21 am

1 stop4h 36m

$373

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 3/21

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Sat 3/28

5:45 am-10:21 am

1 stop4h 36m

$376

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 3/19

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

Thu 3/26

10:30 am-12:19 pm

Nonstop1h 49m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Ottawa from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport 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 cheapest day to depart on your flight to Ottawa?

The cheapest day to depart from Washington, D.C. Reagan-National Airport to Ottawa is on a Saturday. Travelers who choose to depart for Ottawa on a Saturday will often find tickets for as low as $436. 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 $503.

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. Reagan-National Airport to Ottawa when you can find flight prices for as low as $464. 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 afternoon when prices are $637 on average. Flights to Ottawa from Washington, D.C. Reagan-National Airport in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

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

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

There are 4 cabin classes available to choose from on Washington, D.C. Reagan-National 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. Reagan-National Airport to Ottawa flights?

You could potentially save up to 46% on your flight if you consider stops on a Washington, D.C. Reagan-National Airport to Ottawa flight.

How have Washington, D.C. Reagan-National Airport to Ottawa flight prices changed over time?

As of February 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 12% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Reagan-National Airport to Ottawa

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

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

Best Price Found

$199

Fastest flight time

1h 31m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat

Airports in Ottawa

1 airport
The best one-way flight to Ottawa from Washington, D.C. Reagan-National Airport in the past 72 hours is $199. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ottawa found on momondo in the last 72 hours is $378.
The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 31m
Direct flights go from Washington, D.C. Reagan-National Airport to Ottawa on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.
There is 1 airport in Ottawa. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW).
Search flight deals

  • How far is Washington, D.C. Reagan-National to Ottawa by plane?

    There are 458.3 mi between Washington, D.C. Reagan-National and Ottawa. Flights usually cover this in 1h 31m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Ottawa Airport were last updated today.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Ottawa?

  • What is the most popular airline from Washington, D.C. Reagan-National Airport to Ottawa?

Best airlines flying from Washington, D.C. Reagan-National Airport to Ottawa

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Ottawa with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $198Free CancellationRating
7.1
10,688 reviews
Search Air Canada flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights

  • United Airlines Flights From Washington, D.C. Reagan-National Airport to Ottawa

    United Airlines operates around 6 flights from Washington, D.C. Reagan-National Airport to Ottawa every week. The average price of these flights found in the last 72 hours has been $531, but momondo users have found United Airlines deals from Washington, D.C. Reagan-National Airport to Ottawa from as low as $218 round-trip. United Airlines has been scored 7.4/10 in 9,236 reviews.

  • Air Canada Flights From Washington, D.C. Reagan-National Airport to Ottawa

    Air Canada (7.1/10 from 10,688 reviews) operates around 6 flights from Washington, D.C. Reagan-National Airport to Ottawa in any given week. The average Air Canada airfare for this route is around $447, with deals from around $198 rare but found on momondo. Referenced prices are for round-trip Washington, D.C. Reagan-National Airport to Ottawa flight searches in the last 72 hours.

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Pembroke
Calabogie
Brockville
Petawawa
Smiths Falls
Perth
Prescott
Winchester
Wakefield

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Ottawa for you.

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

Flights from Washington, D.C. to Ottawa with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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 Ottawa from Washington, D.C..

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

Of course. momondo tracks the price of Washington, D.C. to Ottawa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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