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$159+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap 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 March 22, 2026.

This SmartFares deal was found by Cheapflights users on 3/19. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:50 pm
DCA
-
YOW
1 stop4h 16m
Air Canada
Sun 4/2610:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 3/19$262
This Mytrip deal was found by Cheapflights users on 3/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:00 am
DCA
-
YOW
1 stop4h 11m
Air Canada
Sun 4/125:45 am
YOW
-
DCA
1 stop4h 34m
Air Canada
Deal found 3/18$328
This Booking.com deal was found by Cheapflights users on 3/18. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:55 pm
DCA
-
YOW
Nonstop1h 32m
Air Canada
Sun 5/310:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 3/18$354
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Tue 4/2112:55 pm
DCA
-
YOW
Nonstop1h 32m
Air Canada
Fri 4/2410:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 3/18$375
This Air Canada deal was found by Cheapflights users on 3/18. 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.
Tue 4/2111:00 am
DCA
-
YOW
1 stop5h 21m
Air Canada
Mon 4/2710:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 3/18$384
This Air Canada deal was found by Cheapflights users on 3/17. 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.
Fri 4/246:59 am
DCA
-
YOW
1 stop4h 07m
Air Canada
Thu 4/3010:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 3/17$388

Find 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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$262
(SmartFares)

One-way from

$159
(Trip.com)

Popular in

February

Cheapest in

March

Average price

$174

Good round-trip deal

$284 or less

Good one-way deal

$128 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
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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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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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 March 22, 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

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 7/9

1:00 pm-4:38 pm

1 stop3h 38m

Ottawa

Tue 7/14

6:05 am-9:32 am

1 stop3h 27m

$448

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 7/7

1:00 pm-4:38 pm

1 stop3h 38m

Ottawa

Tue 7/14

6:05 am-9:32 am

1 stop3h 27m

$448

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 7/15

11:57 am-9:35 pm

1 stop9h 38m

Ottawa

Sun 7/19

6:05 am-9:32 am

1 stop3h 27m

$454

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Wed 5/27

12:45 pm-2:17 pm

Nonstop1h 32m

Ottawa

Thu 5/28

10:25 am-12:01 pm

Nonstop1h 36m

$472

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 6/23

11:00 am-4:38 pm

1 stop5h 38m

Ottawa

Fri 6/26

6:05 am-12:23 pm

1 stop6h 18m

$486

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 4/28

11:55 am-5:07 pm

1 stop5h 12m

Ottawa

Wed 4/29

3:10 pm-9:31 pm

1 stop6h 21m

$487

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 4/20

4:30 pm-10:05 pm

1 stop5h 35m

Ottawa

Mon 4/27

3:10 pm-9:31 pm

1 stop6h 21m

$487
Quickest round-trip

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 7/10

12:40 pm-2:10 pm

Nonstop1h 30m

Ottawa

Sun 7/12

10:25 am-12:00 pm

Nonstop1h 35m

$492

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 5/22

8:40 pm-1:36 am

1 stop4h 56m

Ottawa

Mon 5/25

6:00 pm-10:28 pm

1 stop4h 28m

$565

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 4/6

8:20 am-5:07 pm

1 stop8h 47m

Ottawa

Fri 4/10

3:10 pm-9:31 pm

1 stop6h 21m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/17

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3
  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Ottawa flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $130). Flying from Washington, D.C. Reagan-National Airport to Ottawa in January is currently the most expensive (average of $305). 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 March 22, 2026.

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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to Ottawa?

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 March 22, 2026.
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
9,455 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,455 reviews
United Airlines
7.4
Good
9,455 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,830 reviews
United Airlines
7.4
Good
9,455 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Boarding

7.7

Overall

7.4

Food

6.6

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 32m. United Airlines provides one of the quickest options available for as low as $472. The distance from Washington, D.C. Reagan-National Airport to Ottawa is about 452 mi. This flight may include one or multiple stops.

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

    Flying on Air Canada is currently your cheapest option to Ottawa, with prices starting at $203. Another option worth looking into is United Airlines, starting at $218 round trip. These flights start at 56% 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 (58%), Jazz (58%), United Airlines (58%).

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

    On average you can expect to pay $339 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $91 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $410.

  • 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, May is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $130). Flying from Washington, D.C. Reagan-National Airport to Ottawa in January is currently the most expensive (average of $305). 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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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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$203Average$453FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$218Average$531FlexibilityNo cancel feeOn-time69%

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