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$147+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
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 February 7, 2026.

This Mytrip deal was found by Cheapflights users on 2/4. 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 2/2612:55 pm
DCA
-
YOW
Nonstop1h 35m
Air Canada
Mon 3/210:30 am
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 2/4$308
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Mon 3/236:00 am
DCA
-
YOW
1 stop3h 41m
Air Canada
Mon 3/3010:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 2/5$311
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Thu 4/912:55 pm
DCA
-
YOW
Nonstop1h 32m
Air Canada
Sun 4/1210:25 am
YOW
-
DCA
Nonstop1h 36m
Air Canada
Deal found 2/4$356
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Thu 3/266:00 am
DCA
-
YOW
1 stop3h 41m
Air Canada
Fri 3/2710:30 am
YOW
-
DCA
Nonstop1h 49m
Air Canada
Deal found 2/4$365
This United Airlines deal was found by Cheapflights users on 2/5. 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.
Thu 3/267:00 am
DCA
-
YOW
1 stop6h 32m
United Airlines
Fri 3/273:15 pm
YOW
-
DCA
1 stop6h 20m
United Airlines
Deal found 2/5$371
This Air Canada deal was found by Cheapflights users on 2/4. 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.
Sun 3/226:00 am
DCA
-
YOW
1 stop3h 41m
Air Canada
Wed 3/2510:50 am
YOW
-
DCA
1 stop4h 41m
Air Canada
Deal found 2/4$373

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 February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$308
(Mytrip)

One-way from

$147
(Booking.com)

Popular in

May

Cheapest in

March

Average price

$392

Good round-trip deal

$378 or less

Good one-way deal

$199 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. 14% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 7, 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

Reagan-National

Fly to

Ottawa

Route

Depart

Return

Price

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 3/23

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Mon 3/30

10:25 am-12:01 pm

Nonstop1h 36m

$311

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 2/26

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Mon 3/2

10:30 am-12:19 pm

Nonstop1h 49m

$317

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 3/5

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

Thu 3/12

10:30 am-12:19 pm

Nonstop1h 49m

$356

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 3/26

6:00 am-9:41 am

1 stop3h 41m

Ottawa

Fri 3/27

10:30 am-12:19 pm

Nonstop1h 49m

$365

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 4/9

6:00 am-10:10 am

1 stop4h 10m

Ottawa

Sun 4/12

10:25 am-12:01 pm

Nonstop1h 36m

$365

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 3/2

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

Fri 3/6

3:55 pm-9:56 pm

1 stop6h 01m

$365

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 3/17

12:55 pm-2:30 pm

Nonstop1h 35m

Ottawa

Thu 3/19

5:45 am-10:21 am

1 stop4h 36m

$365

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 3/17

6:30 am-9:18 pm

1 stop14h 48m

Ottawa

Thu 3/19

3:15 pm-9:35 pm

1 stop6h 20m

$371

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 3/2

4:10 pm-9:56 pm

1 stop5h 46m

Ottawa

Fri 3/6

3:15 pm-9:35 pm

1 stop6h 20m

$371

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Tue 3/3

12:55 pm-2:30 pm

Nonstop1h 35m

$147

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 16 results
1
2
  • 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, 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 February 7, 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.

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 February 7, 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
9,245 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

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
9,245 reviews
United Airlines
7.4
Good
9,245 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

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
10,697 reviews
United Airlines
7.4
Good
9,245 reviews

Entertainment

7.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Crew

8.1

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 3h 41m. Air Canada provides one of the quickest options available for as low as $311. 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 Air Canada is currently your cheapest option to Ottawa, with prices starting at $198. Another option worth looking into is United Airlines, starting at $218 round trip. These flights start at 52% 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 (51%), Jazz (51%), United Airlines (51%).

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

    On average you can expect to pay $397 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $176 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $329.

  • 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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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 February 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$198Average$447FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$218Average$531FlexibilityNo cancel feeOn-time69%

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