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$143+ Cheap flights from Reagan-National (DCA) to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
déc. 18 — déc. 251
jeu. 12/18
jeu. 12/25
1 adult, Economy
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Cheap flight deals from Reagan-National to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated novembre 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$347
(Trip.com)

One-way from

$143
(Air Canada)

Popular in

May

Cheapest in

March

Average price

$527

Good round-trip deal

$298 or less

Good one-way deal

$256 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-Ottawa flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Ottawa flights.
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From Washington, D.C. Reagan-National to Ottawa
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One-way flight from Washington, D.C. Reagan-National to Ottawa
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Highest demand for flights based on searches. 12% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ottawa.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ottawa.
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Find flight deals from Reagan-National to Ottawa

Cheapest flights from Reagan-National to Ottawa
Explore the most affordable flight options available from Reagan-National to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 18, 2025.

This Trip.com deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/136:00 amDCA - YOW
1 stop3h 40mAir Canada
dim. 12/146:00 amYOW - DCA
1 stop12h 05mAir Canada
Deal found 11/16$347
This Air Canada deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/216:59 amDCA - YOW
1 stop4h 19mAir Canada
ven. 12/269:15 amYOW - DCA
1 stop10h 30mAir Canada
Deal found 11/18$363
This Air Canada deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/314:10 pmDCA - YOW
1 stop6h 10mAir Canada
mer. 1/710:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 11/15$364
This United Airlines deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1510:05 amDCA - YOW
1 stop6h 27mUnited Airlines
lun. 12/226:00 amYOW - DCA
1 stop4h 47mUnited Airlines
Deal found 11/17$384
This Air Canada deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/208:40 pmDCA - YOW
1 stop11h 38mAir Canada
ven. 12/2610:20 amYOW - DCA
1 stop9h 25mAir Canada
Deal found 11/18$386
This Air Canada deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 12/208:40 pmDCA - YOW
1 stop4h 58mAir Canada
dim. 12/217:15 amYOW - DCA
1 stop10h 50mAir Canada
Deal found 11/16$406
This Air Canada deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/811:05 amDCA - YOW
1 stop5h 20mAir Canada
dim. 12/145:45 amYOW - DCA
1 stop4h 36mAir Canada
Deal found 11/17$412
This Air Canada deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/912:55 pmDCA - YOW
Nonstop1h 35mAir Canada
sam. 12/134:15 pmYOW - DCA
1 stop6h 20mAir Canada
Deal found 11/17$414
This Air Canada deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/811:05 amDCA - YOW
1 stop5h 20mAir Canada
sam. 12/134:15 pmYOW - DCA
1 stop6h 20mAir Canada
Deal found 11/17$419
This Air Canada deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/912:55 pmDCA - YOW
Nonstop1h 35mAir Canada
mar. 12/96:05 pmYOW - DCA
1 stop4h 30mAir Canada
Deal found 11/17$428

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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, Cheapflights users made 2,558,603 searches. Data last updated novembre 18, 2025.
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

Reagan-National

Fly to

Ottawa

Route

Depart

Return

Price

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jeu. 1/8

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

dim. 1/11

5:45 am-10:21 am

1 stop4h 36m

$325

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

mer. 1/7

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

dim. 1/11

10:30 am-12:19 pm

Nonstop1h 49m

$348

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dim. 12/21

6:59 am-11:18 am

1 stop4h 19m

Ottawa

ven. 12/26

9:15 am-7:45 pm

1 stop10h 30m

$363

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

mer. 12/31

6:00 am-9:40 am

1 stop3h 40m

Ottawa

mer. 1/7

12:00 pm-6:05 pm

1 stop6h 05m

$376

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

ven. 1/16

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

lun. 1/19

10:30 am-12:19 pm

Nonstop1h 49m

$381

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

lun. 12/15

10:05 am-4:32 pm

1 stop6h 27m

Ottawa

lun. 12/22

6:00 am-10:47 am

1 stop4h 47m

$384

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

lun. 12/22

8:40 pm-8:18 am

1 stop11h 38m

Ottawa

ven. 12/26

10:20 am-7:45 pm

1 stop9h 25m

$386

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

sam. 12/20

8:40 pm-8:18 am

1 stop11h 38m

Ottawa

ven. 12/26

10:20 am-7:45 pm

1 stop9h 25m

$386

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dim. 12/21

6:59 am-11:18 am

1 stop4h 19m

Ottawa

mar. 12/30

10:20 am-10:35 pm

1 stop12h 15m

$406

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jeu. 1/1

11:05 am-4:48 pm

1 stop5h 43m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 19 results
1
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Compare providers for flights from Reagan-National to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Ottawa in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Ottawa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Ottawa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Ottawa flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Reagan-National with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Ottawa

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $123). Flying from Washington, D.C. Reagan-National Airport to Ottawa in June is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DCA to YOW?

Find hourly flight availability from Reagan-National to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated novembre 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Ottawa as you normally would.

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated novembre 18, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Ottawa, such as United Airlines and Air Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,019 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,019 reviews
United Airlines
7.4
Good
9,019 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,462 reviews
United Airlines
7.4
Good
9,019 reviews

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ottawa from Washington, D.C. Reagan-National?

    Located just 6.6 mi from the city center, Ottawa is the airport most travelers will use when flying to Ottawa from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Ottawa (YOW) should be relatively easy as there is 1 daily inbound flight from Washington, D.C. Reagan-National from 2 different airlines.

  • How long is the flight from Washington, D.C. Reagan-National Airport to Ottawa?

    A quick flight from Washington, D.C. Reagan-National Airport to Ottawa can take about 1h 35m. Air Canada provides one of the quickest options available for as low as $325. The distance from Washington, D.C. Reagan-National Airport to Ottawa is about 452 mi. All flights are typically nonstop.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to Ottawa round-trip?

    Flying on United Airlines is currently your cheapest option to Ottawa, with prices starting at $218. Another option worth looking into is Air Canada, starting at $236 round trip. These flights start at 48% lower than the current average price 3 months from now.

  • What are the most reliable airlines from Washington, D.C. Reagan-National Airport to Ottawa?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. Reagan-National Airport to Ottawa on time: Air Canada (82%), Jazz (82%), United Airlines (82%).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to Ottawa?

    On average you can expect to pay $423 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $127 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $344.

  • Can I find deals for flights from Reagan-National to Ottawa that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Ottawa.

  • Can I find deals for business class flights from Reagan-National to Ottawa?

    Yes. Cheapflights offers flight deals from Reagan-National to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Ottawa?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $123). Flying from Washington, D.C. Reagan-National Airport to Ottawa in June is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ottawa?

Book flights to Ottawa if you plan to visit one of these locations
Gatineau
Petawawa

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Alternative routes for Reagan-National to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
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Baltimore to North Bay flights
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Reagan-National to Hamilton flights
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Baltimore to Windsor flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights
Baltimore to Kingston flights

Top 2 airlines flying from Reagan-National to Ottawa

Discover the top 2 airlines that operate flights from Reagan-National to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated novembre 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$603FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$236Average$440FlexibilityNo cancel feeOn-time67%

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