HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ottawa

$161+ 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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
déc. 10 — déc. 171
mer. 12/10
mer. 12/17
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Reagan-National to Ottawa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$364
(Air Canada)

One-way from

$161
(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.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Ottawa flights.
Search Deals
From Washington, D.C. Reagan-National to Ottawa
Search Deals
One-way flight from Washington, D.C. Reagan-National to Ottawa
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to Ottawa.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National to Ottawa.
Search Deals

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 10, 2025.

This Air Canada deal was found by Cheapflights users on 11/8. 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. 12/136:00 amDCA - YOW
1 stop3h 40mAir Canada
mar. 12/1610:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 11/8$364
This Air Canada deal was found by Cheapflights users on 11/8. 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. 12/136:00 amDCA - YOW
1 stop3h 40mAir Canada
lun. 12/1510:50 amYOW - DCA
1 stop4h 41mAir Canada
Deal found 11/8$369
This Gotogate deal was found by Cheapflights users on 11/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 12/412:55 pmDCA - YOW
Nonstop1h 35mAir Canada
lun. 12/810:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 11/10$373
This Air Canada deal was found by Cheapflights users on 11/9. 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. 12/246:00 amDCA - YOW
1 stop3h 40mAir Canada
mer. 12/3112:05 pmYOW - DCA
1 stop6h 00mAir Canada
Deal found 11/9$376
This Air Canada deal was found by Cheapflights users on 11/8. 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. 12/286:00 amDCA - YOW
1 stop5h 20mAir Canada
sam. 1/38:25 pmYOW - DCA
1 stop12h 30mAir Canada
Deal found 11/8$399
This Air Canada deal was found by Cheapflights users on 11/9. 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
mar. 12/308:25 pmYOW - DCA
1 stop12h 30mAir Canada
Deal found 11/9$405
This Air Canada deal was found by Cheapflights users on 11/8. 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. 12/1411:05 amDCA - YOW
1 stop5h 20mAir Canada
jeu. 12/1810:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 11/8$407
This Air Canada deal was found by Cheapflights users on 11/8. 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.
jeu. 12/1112:55 pmDCA - YOW
Nonstop1h 35mAir Canada
dim. 12/146:05 pmYOW - DCA
1 stop4h 30mAir Canada
Deal found 11/8$413

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 10, 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

dim. 12/14

11:05 am-4:25 pm

1 stop5h 20m

Ottawa

mar. 12/16

10:30 am-12:19 pm

Nonstop1h 49m

$364

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

sam. 12/13

6:00 am-9:40 am

1 stop3h 40m

Ottawa

mar. 12/16

10:45 am-3:31 pm

1 stop4h 46m

$369

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

sam. 12/13

6:00 am-9:40 am

1 stop3h 40m

Ottawa

lun. 12/15

10:50 am-3:31 pm

1 stop4h 41m

$369

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jeu. 12/4

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

lun. 12/8

10:30 am-12:19 pm

Nonstop1h 49m

$373

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

lun. 12/29

6:00 am-11:20 am

1 stop5h 20m

Ottawa

sam. 1/3

8:25 pm-8:55 am

1 stop12h 30m

$399

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

mar. 12/30

11:05 am-4:50 pm

1 stop5h 45m

Ottawa

sam. 1/3

8:25 pm-8:55 am

1 stop12h 30m

$399

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dim. 12/28

6:00 am-11:20 am

1 stop5h 20m

Ottawa

sam. 1/3

8:25 pm-8:55 am

1 stop12h 30m

$399

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

8:25 pm-8:55 am

1 stop12h 30m

$405

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dim. 12/14

6:00 am-9:40 am

1 stop3h 40m

Ottawa

jeu. 12/18

10:45 am-3:31 pm

1 stop4h 46m

$412

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

ven. 12/12

6:00 am-9:40 am

1 stop3h 40m

Ottawa

lun. 12/15

10:50 am-3:31 pm

1 stop4h 41m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 19 results
1
2

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 10, 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 10, 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
9,012 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

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
9,012 reviews
United Airlines
7.4
Good
9,012 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

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
10,437 reviews
United Airlines
7.4
Good
9,012 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Boarding

7.7

Crew

8.1

Comfort

7.3

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 5h 20m. Air Canada provides one of the quickest options available for as low as $364. The distance from Washington, D.C. Reagan-National Airport to Ottawa is about 452 mi.

  • 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 (89%), Jazz (89%), United Airlines (89%).

  • 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 $454.

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pearson Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Baltimore to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Reagan-National to Toronto Island flights
Dulles Intl to Ottawa flights
Baltimore to Toronto Island flights
Baltimore to Ottawa flights
Dulles Intl to London flights
Reagan-National to London flights
Baltimore to London flights
Dulles Intl to Sudbury flights
Dulles Intl to Sault Ste Marie flights
Reagan-National to Thunder Bay flights
Dulles Intl to Hamilton flights
Baltimore to North Bay flights
Dulles Intl to Timmins flights
Dulles Intl to Thunder Bay flights
Baltimore to Thunder Bay flights
Reagan-National to Sault Ste Marie flights
Baltimore to Sault Ste Marie flights
Reagan-National to Windsor flights
Baltimore to Windsor flights
Reagan-National to Hamilton 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 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$603FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$236Average$440FlexibilityNo cancel feeOn-time67%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.