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Cheap flights from Washington, D.C. Reagan-National Airport to Ottawa from $138

1 adult
1 adult, Economy, 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
12:50 pm - 2:22 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 32mnonstop
Air Canada Logo
10:30 am - 12:19 pmYOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 49mnonstop
$319Air Canada
Sat, Oct 24 - Sun, Oct 25
Multiple Airlines Logo
11:00 am - 5:35 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
6h 35m1 stop Toronto Pearson Intl
Multiple Airlines Logo
5:45 am - 10:29 amYOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 44m1 stop Montreal Pierre Elliott Trudeau Intl
$324Multiple Airlines
Sat, Oct 24 - Sun, Oct 25
Air Canada Logo
12:50 pm - 2:22 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 32mnonstop
Air Canada Logo
10:35 am - 12:09 pmYOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 34mnonstop
$333Air Canada
Fri, Oct 16 - Fri, Oct 23
Air Canada Logo
4:20 pm - 10:10 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 50m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:35 am - 12:09 pmYOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 34mnonstop
$337Air Canada
Fri, Oct 16 - Fri, Oct 23
Air Canada Logo
9:40 am - 1:38 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
3h 58m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
10:35 am - 12:09 pmYOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 34mnonstop
$338Air Canada
Sun, Oct 11 - Fri, Oct 16
Multiple Airlines Logo
6:55 pm - 12:20 amDCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 25m1 stop Toronto Pearson Intl
Multiple Airlines Logo
10:30 am - 12:19 pmYOW  Ottawa-DCA Washington, D.C. Reagan-National
1h 49mnonstop
$355Multiple Airlines
Sat, Oct 24 - Sun, Oct 25
Multiple Airlines Logo
12:55 pm - 2:27 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
1h 32mnonstop
Multiple Airlines Logo
6:05 am - 9:46 amYOW  Ottawa-DCA Washington, D.C. Reagan-National
3h 41m1 stop Newark
$424Multiple Airlines
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
11:57 am - 5:16 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 19m1 stop Chicago O'Hare Intl
United Airlines Logo
6:05 am - 11:59 amYOW  Ottawa-DCA Washington, D.C. Reagan-National
5h 54m1 stop Newark
$457United Airlines
Thu, Sep 24 - Sun, Sep 27
United Airlines Logo
8:30 am - 1:59 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
5h 29m1 stop Chicago O'Hare Intl
United Airlines Logo
3:10 pm - 7:39 pmYOW  Ottawa-DCA Washington, D.C. Reagan-National
4h 29m1 stop Newark
$464United Airlines
Mon, Sep 28 - Tue, Sep 29
United Airlines Logo
11:45 am - 4:38 pmDCA  Washington, D.C. Reagan-National-YOW Ottawa
4h 53m1 stop Newark
United Airlines Logo
6:05 am - 9:46 amYOW  Ottawa-DCA Washington, D.C. Reagan-National
3h 41m1 stop Newark
$464United Airlines
Sat, Sep 26 - Sun, Sep 27

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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
Oct 24
DCA12:50 pmWashington, D.C. Reagan-National
1h 32m
YOW2:22 pmOttawa
Oct 25
YOW10:30 amOttawa
1h 49m
DCA12:19 pmWashington, D.C. Reagan-National
$319
Air Canada
Oct 16
DCA12:50 pmWashington, D.C. Reagan-National
1h 32m
YOW2:22 pmOttawa
Oct 23
YOW10:35 amOttawa
1h 34m
DCA12:09 pmWashington, D.C. Reagan-National
$333
Air Canada
Oct 16
DCA4:20 pmWashington, D.C. Reagan-National
5h 50m
1 stop
YOW10:10 pmOttawa
Oct 23
YOW10:35 amOttawa
1h 34m
DCA12:09 pmWashington, D.C. Reagan-National
$337

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
Sep 24
DCA11:57 amWashington, D.C. Reagan-National
5h 19m
1 stop
YOW5:16 pmOttawa
Sep 27
YOW6:05 amOttawa
5h 54m
1 stop
DCA11:59 amWashington, D.C. Reagan-National
$457
United Airlines
Sep 11
DCA12:55 pmWashington, D.C. Reagan-National
1h 32m
YOW2:27 pmOttawa
Sep 15
YOW10:40 amOttawa
1h 34m
DCA12:14 pmWashington, D.C. Reagan-National
$772
United Airlines
Sep 11
DCA5:55 pmWashington, D.C. Reagan-National
4h 40m
1 stop
YOW10:35 pmOttawa
Sep 15
YOW10:40 amOttawa
1h 34m
DCA12:14 pmWashington, D.C. Reagan-National
$782

momondo Fare Finder

 
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

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Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 10/24

12:50 pm-2:22 pm

Nonstop1h 32m

Ottawa

Sun 10/25

10:30 am-12:19 pm

Nonstop1h 49m

$319

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 10/24

11:00 am-5:35 pm

1 stop6h 35m

Ottawa

Sun 10/25

5:45 am-10:29 am

1 stop4h 44m

$324
Quickest round-trip

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Fri 10/16

12:50 pm-2:22 pm

Nonstop1h 32m

Ottawa

Fri 10/23

10:35 am-12:09 pm

Nonstop1h 34m

$333

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Fri 10/16

4:20 pm-10:10 pm

1 stop5h 50m

Ottawa

Fri 10/23

10:35 am-12:09 pm

Nonstop1h 34m

$337

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sun 10/11

9:40 am-1:38 pm

1 stop3h 58m

Ottawa

Fri 10/16

10:35 am-12:09 pm

Nonstop1h 34m

$338

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 10/24

6:55 pm-12:20 am

1 stop5h 25m

Ottawa

Sun 10/25

10:30 am-12:19 pm

Nonstop1h 49m

$355

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Thu 9/24

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

Sun 9/27

6:05 am-9:46 am

1 stop3h 41m

$424

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Thu 9/24

11:57 am-5:16 pm

1 stop5h 19m

Ottawa

Sun 9/27

6:05 am-11:59 am

1 stop5h 54m

$457

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Mon 9/28

8:30 am-1:59 pm

1 stop5h 29m

Ottawa

Tue 9/29

3:10 pm-7:39 pm

1 stop4h 29m

$464

Washington, D.C.Ottawa

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

DCAYOW

Washington, D.C. Reagan-National

Sat 9/26

11:45 am-4:38 pm

1 stop4h 53m

Ottawa

Sun 9/27

6:05 am-9:46 am

1 stop3h 41m

$464

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 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 August is another great option to travel to Ottawa, with average flight prices from Washington, D.C. Reagan-National Airport averaging around $377.

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 Thursday. Travelers who choose to depart for Ottawa on a Thursday will often find tickets for as low as $476. 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. Reagan-National Airport 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. 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

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

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

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 September 2026, prices for Washington, D.C. Reagan-National Airport to Ottawa flights are approximately 15% 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

$138

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. Reagan-National Airport in the past 72 hours is $138. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Ottawa found on momondo in the last 72 hours is $319.
The fastest flight from Washington, D.C. Reagan-National Airport to Ottawa takes 1h 32m
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 32m, 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 $187Free CancellationRating
7.1
11,579 reviews
Search Air Canada flights
United AirlinesPriceFrom $201Free CancellationRating
7.4
10,160 reviews
Search United Airlines flights

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

    United Airlines operates around 4 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 $514, but momondo users have found United Airlines deals from Washington, D.C. Reagan-National Airport to Ottawa from as low as $201 round-trip. United Airlines has been scored 7.4/10 in 10,160 reviews.

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

    Air Canada (7.1/10 from 11,579 reviews) operates around 4 flights from Washington, D.C. Reagan-National Airport to Ottawa in any given week. The average Air Canada airfare for this route is around $490, with deals from around $187 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
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?

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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