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$170+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$337
(Mytrip)

One-way from

$170
(Mytrip)

Popular in

May

Cheapest in

March

Average price

$424

Good round-trip deal

$357 or less

Good one-way deal

$198 or less
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. 20% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/306:59 amDCA - YOW
1 stop12h 13mMultiple Airlines
Thu 11/65:40 amYOW - DCA
1 stop14h 05mMultiple Airlines
Deal found 9/15$337
This Vliegwinkel deal was found by Cheapflights users on 9/15. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:55 pmDCA - YOW
Nonstop1h 35mAir Canada
Thu 11/610:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 9/15$362
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amDCA - YOW
1 stop3h 42mAir Canada
Fri 11/710:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 9/16$380
This Trip.com deal was found by Cheapflights users on 9/16. 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.
Mon 10/136:00 amDCA - YOW
1 stop4h 25mAir Canada
Thu 10/166:00 amYOW - DCA
1 stop4h 20mAir Canada
Deal found 9/16$386
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:00 amDCA - YOW
2 stops18h 42mMultiple Airlines
Fri 11/75:40 amYOW - DCA
1 stop14h 05mMultiple Airlines
Deal found 9/16$390
This Air Canada deal was found by Cheapflights users on 9/16. 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.
Tue 10/1412:55 pmDCA - YOW
Nonstop1h 31mAir Canada
Thu 10/1610:25 amYOW - DCA
Nonstop1h 43mAir Canada
Deal found 9/16$424
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Fri 11/74:10 pmDCA - YOW
1 stop6h 08mAir Canada
Tue 11/1110:30 amYOW - DCA
Nonstop1h 49mAir Canada
Deal found 9/15$429
This Air Canada deal was found by Cheapflights users on 9/15. 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.
Fri 11/76:00 amDCA - YOW
1 stop3h 42mAir Canada
Mon 11/1010:50 amYOW - DCA
1 stop4h 41mAir Canada
Deal found 9/15$434
This United deal was found by Cheapflights users on 9/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/911:03 amDCA - YOW
1 stop11h 02mMultiple Airlines
Mon 10/206:00 amYOW - DCA
1 stop4h 20mMultiple Airlines
Deal found 9/14$435

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 September 17, 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

Fri 11/7

6:00 am-9:42 am

1 stop3h 42m

Ottawa

Tue 11/11

10:30 am-12:19 pm

Nonstop1h 49m

$429

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 10/9

9:00 am-4:43 pm

1 stop7h 43m

Ottawa

Sat 10/18

11:05 am-3:51 pm

1 stop4h 46m

$435

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Thu 10/9

11:03 am-10:05 pm

1 stop11h 02m

Ottawa

Thu 10/16

6:00 am-10:20 am

1 stop4h 20m

$435

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 10/20

7:00 am-11:45 am

1 stop4h 45m

Ottawa

Mon 10/20

1:55 pm-10:34 pm

1 stop8h 39m

$437

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 11/17

9:05 am-4:32 pm

1 stop7h 27m

Ottawa

Wed 11/19

10:30 am-12:19 pm

Nonstop1h 49m

$439

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Sat 11/15

4:30 pm-9:56 pm

1 stop5h 26m

Ottawa

Tue 11/18

10:30 am-12:19 pm

Nonstop1h 49m

$439

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Mon 10/27

4:30 pm-9:56 pm

1 stop5h 26m

Ottawa

Thu 10/30

10:30 am-12:19 pm

Nonstop1h 49m

$439

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 10/31

12:00 pm-4:32 pm

1 stop4h 32m

Ottawa

Sun 11/2

10:30 am-12:19 pm

Nonstop1h 49m

$439

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 11/7

12:30 pm-4:32 pm

1 stop4h 02m

Ottawa

Sun 11/9

10:30 am-12:19 pm

Nonstop1h 49m

$439

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

Fri 11/7

6:00 am-9:42 am

1 stop3h 42m

Ottawa

Sun 11/9

12:05 pm-6:05 pm

1 stop6h 00m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 15 results
1
2

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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $294). Flying from Washington, D.C. Reagan-National Airport to Ottawa in September is currently the most expensive (average of $428). 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 September 17, 2025.

It’s typically best to fly out from Washington, D.C. Reagan-National Airport to Ottawa at noon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

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 September 17, 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
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
United Airlines
7.4
Good
8,926 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,926 reviews

Entertainment

7.1

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Julia,Sep 2025

BUF - DEN

The staff were amazing, from check in to boarding and on the flight. The range of entertainment options were really good as well.

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 are 2 daily inbound flights 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 42m. Air Canada provides one of the quickest options available for as low as $429. 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 $181. Another option worth looking into is United Airlines, starting at $218 round trip. These flights start at 53% 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 (87%), Jazz (87%), United Airlines (87%).

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

    On average you can expect to pay $330 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $151 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $390.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Ottawa (average of $294). Flying from Washington, D.C. Reagan-National Airport to Ottawa in September is currently the most expensive (average of $428). 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.
Dulles Intl to Pearson Intl flights
Reagan-National to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau 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
Dulles Intl to Ottawa flights
Reagan-National to Toronto Island flights
Baltimore to Ottawa flights
Baltimore to Toronto Island flights
Dulles Intl to Hamilton flights
Dulles Intl to Sault Ste Marie flights
Baltimore to Windsor flights
Dulles Intl to Thunder Bay flights
Reagan-National to Thunder Bay flights
Reagan-National to Windsor flights
Dulles Intl to London flights
Reagan-National to London flights
Baltimore to North Bay flights
Dulles Intl to Timmins flights
Baltimore to London flights
Baltimore to Thunder Bay flights
Reagan-National to Hamilton flights
Baltimore to Sault Ste Marie flights
Dulles Intl to Sudbury flights
Dulles Intl to Kingston flights
Reagan-National to Kingston flights
Baltimore to Kingston flights
Reagan-National to Sault Ste Marie 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$181Average$426FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$218Average$523FlexibilityNo cancel feeOn-time69%

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