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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from $188

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 7/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

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
12:45 pm - 2:17 pm
DCA
-
YOW
1h 32mnonstop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$379Air Canada
Sun, Jun 14 - Sun, Jun 21
Air Canada Logo
6:00 am - 10:35 am
DCA
-
YOW
4h 35m
1 stop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$382Air Canada
Sun, Jun 14 - Sun, Jun 21
Air Canada Logo
12:45 pm - 2:17 pm
DCA
-
YOW
1h 32mnonstop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$383Air Canada
Mon, Jun 15 - Mon, Jun 22
Air Canada Logo
12:45 pm - 2:17 pm
DCA
-
YOW
1h 32mnonstop
Air Canada Logo
9:10 am - 3:38 pm
YOW
-
DCA
6h 28m
1 stop
$388Air Canada
Tue, Jun 16 - Tue, Jun 23
Air Canada Logo
6:59 am - 11:05 am
DCA
-
YOW
4h 06m
1 stop
Air Canada Logo
10:25 am - 12:00 pm
YOW
-
DCA
1h 35mnonstop
$390Air Canada
Mon, Jun 15 - Mon, Jun 22
Air Canada Logo
4:20 pm - 10:11 pm
DCA
-
YOW
5h 51m
1 stop
Air Canada Logo
9:10 am - 3:38 pm
YOW
-
DCA
6h 28m
1 stop
$392Air Canada
Tue, Jun 16 - Tue, Jun 23
Air Canada Logo
6:55 pm - 12:46 am
DCA
-
YOW
5h 51m
1 stop
Air Canada Logo
6:00 pm - 10:31 pm
YOW
-
DCA
4h 31m
1 stop
$395Air Canada
Mon, Jun 15 - Mon, Jun 22
Air Canada Logo
12:40 pm - 2:11 pm
DCA
-
YOW
1h 31mnonstop
Air Canada Logo
5:45 pm - 9:48 pm
YOW
-
DCA
4h 03m
1 stop
$404Air Canada
Fri, Jul 17 - Fri, Jul 17
Air Canada Logo
12:40 pm - 2:11 pm
DCA
-
YOW
1h 31mnonstop
Air Canada Logo
6:00 pm - 10:31 pm
YOW
-
DCA
4h 31m
1 stop
$409Air Canada
Sat, Jul 18 - Sat, Jul 18
Air Canada Logo
6:00 am - 11:30 am
DCA
-
YOW
5h 30m
1 stop
Air Canada Logo
2:00 pm - 6:12 pm
YOW
-
DCA
4h 12m
1 stop
$418Air Canada
Sat, Jul 18 - Sat, Jul 18

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

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to Ottawa flight tickets
American Airlines
May 18
DCA7:45 pmWashington, D.C. Reagan-National
19h 10m
2 stops
YOW2:55 pmOttawa
May 20
YOW7:00 amOttawa
5h 54m
1 stop
DCA12:54 pmWashington, D.C. Reagan-National
$627
American Airlines
May 18
DCA7:45 pmWashington, D.C. Reagan-National
19h 10m
2 stops
YOW2:55 pmOttawa
May 20
YOW7:00 amOttawa
5h 54m
1 stop
DCA12:54 pmWashington, D.C. Reagan-National
$632
American Airlines
May 18
DCA7:45 pmWashington, D.C. Reagan-National
19h 10m
2 stops
YOW2:55 pmOttawa
May 20
YOW7:00 amOttawa
5h 54m
1 stop
DCA12:54 pmWashington, D.C. Reagan-National
$633

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
Jun 14
DCA12:45 pmWashington, D.C. Reagan-National
1h 32m
YOW2:17 pmOttawa
Jun 21
YOW10:25 amOttawa
1h 35m
DCA12:00 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

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 May 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

Cheapest round-trip
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

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 6/15

6:59 am-11:05 am

1 stop4h 06m

Ottawa

Mon 6/22

10:25 am-12:00 pm

Nonstop1h 35m

$390

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 6/16

4:20 pm-10:11 pm

1 stop5h 51m

Ottawa

Tue 6/23

9:10 am-3:38 pm

1 stop6h 28m

$392

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 6/15

6:55 pm-12:46 am

1 stop5h 51m

Ottawa

Mon 6/22

6:00 pm-10:31 pm

1 stop4h 31m

$395

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 7/17

12:40 pm-2:11 pm

Nonstop1h 31m

Ottawa

Fri 7/17

5:45 pm-9:48 pm

1 stop4h 03m

$404

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 7/18

12:40 pm-2:11 pm

Nonstop1h 31m

Ottawa

Sat 7/18

6:00 pm-10:31 pm

1 stop4h 31m

$409

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 7/18

6:00 am-11:30 am

1 stop5h 30m

Ottawa

Sat 7/18

2:00 pm-6:12 pm

1 stop4h 12m

$418

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 typical price of a round-trip flight between Washington, D.C. Reagan-National Airport and Ottawa?

What is the cheapest month to fly to Ottawa?

In general, November is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Ottawa. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. The month of December is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $385.

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 Wednesday. Travelers who choose to depart for Ottawa on a Wednesday will often find tickets for as low as $471. 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 $518.

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 $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 $908 on average. Flights to Ottawa from Washington, D.C. Reagan-National Airport 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. 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

Can stopping save me money on Washington, D.C. Reagan-National Airport to Ottawa flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Reagan-National Airport to Ottawa.

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

As of May 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 8% 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

$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. Reagan-National Airport in the past 72 hours is $155. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ottawa found on momondo in the last 72 hours is $280.
The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 30m
Direct flights go from Washington, D.C. Reagan-National Airport to Ottawa every day.
There is 1 airport in Ottawa. From Washington, D.C. Reagan-National Airport there are direct flights to Ottawa (YOW).
Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Ottawa

  • 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 30m, 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 $209Free CancellationRating
7.1
10,995 reviews
Search Air Canada flights
United AirlinesPriceFrom $218Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights

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

    United Airlines operates around 5 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 9,680 reviews.

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

    Air Canada (7.1/10 from 10,995 reviews) operates around 5 flights from Washington, D.C. Reagan-National Airport to Ottawa in any given week. The average Air Canada airfare for this route is around $455, with deals from around $209 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
Petawawa
Smiths Falls
Brockville
Calabogie
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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