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$120+ 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 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — YOW
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$299
(Gotogate)

One-way from

$120
(Mytrip)

Popular in

May

Cheapest in

March

Average price

$404

Good round-trip deal

$335 or less

Good one-way deal

$182 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. 29% potential increase in price ($142 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/10. 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.
vie. 7/2512:55 pmDCA - YOW
Nonstop1h 32mAir Canada
vie. 8/110:25 amYOW - DCA
Nonstop1h 38mAir Canada
Deal found 6/10$299
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 7/312:55 pmDCA - YOW
Nonstop1h 32mUnited Airlines
jue. 7/35:25 pmYOW - DCA
1 stop5h 17mUnited Airlines
Deal found 6/11$454
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/256:00 amDCA - YOW
2 stops18h 22mMultiple Airlines
vie. 8/15:55 amYOW - DCA
1 stop13h 47mMultiple Airlines
Deal found 6/10$460
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/37:40 pmDCA - YOW
2 stops28h 42mWestJet
sáb. 7/55:55 amYOW - DCA
2 stops17h 02mWestJet
Deal found 6/11$695
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 7/238:45 amDCA - YOW
2 stops15h 37mDelta
mié. 7/305:55 amYOW - DCA
2 stops13h 00mDelta
Deal found 6/9$761

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 junio 12, 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

vie. 7/25

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

vie. 8/1

10:25 am-12:03 pm

Nonstop1h 38m

$299

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jue. 7/3

12:55 pm-2:27 pm

Nonstop1h 32m

Ottawa

jue. 7/3

5:25 pm-10:42 pm

1 stop5h 17m

$454

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

vie. 7/25

6:00 am-12:22 am

2 stops18h 22m

Ottawa

vie. 8/1

5:55 am-7:42 pm

1 stop13h 47m

$460

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jue. 7/3

7:40 pm-12:22 am

2 stops28h 42m

Ottawa

sáb. 7/5

5:55 am-10:57 pm

2 stops17h 02m

$695

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

mié. 7/23

8:45 am-12:22 am

2 stops15h 37m

Ottawa

mié. 7/30

5:55 am-6:55 pm

2 stops13h 00m

$761

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

jue. 9/25

12:55 pm-2:26 pm

Nonstop1h 31m

$120

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

mié. 7/9

8:30 am-2:04 pm

1 stop5h 34m

$192

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dom. 7/13

9:05 am-4:43 pm

1 stop7h 38m

$244

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

sáb. 7/26

10:15 am-12:22 am

2 stops14h 07m

$305

Washington, D.C.Ottawa

DCA - YOW

DCAYOW

Washington, D.C. Reagan-National

dom. 7/13

6:40 am-12:22 am

2 stops17h 42m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 junio 12, 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 7% on the flight price compared to flying in the morning, which is usually more expensive.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

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 junio 12, 2025.
Get a feel of what it's like to fly with Delta, United Airlines and WestJet from Washington, D.C. to Ottawa by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
WestJet
7.2
Good
2,868 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air Canada
7.1
Good
9,537 reviews
Delta
8.0
Very good
7,946 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 $299. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at $454 and $695, respectively. These flights start at 11% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Ottawa one-way?

    $120 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on United Airlines and WestJet, with prices starting from $192 and $311, respectively.

  • 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 (86%), Jazz (86%), United Airlines (86%).

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

    On average you can expect to pay $371 for a flight from Washington, D.C. Reagan-National Airport to Ottawa. The cheapest flight overall is $132 while the most popular route, (Washington, D.C. Reagan-National - Ottawa) is currently priced at $357.

  • 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport 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
Baltimore to Toronto Island flights
Reagan-National to Toronto Island flights
Dulles Intl to Ottawa flights
Baltimore to Ottawa flights
Dulles Intl to Hamilton flights
Dulles Intl to Sault Ste Marie flights
Reagan-National to Hamilton flights
Reagan-National to London flights
Dulles Intl to London flights
Reagan-National to Sault Ste Marie flights
Baltimore to London flights
Dulles Intl to Sudbury flights
Dulles Intl to Thunder Bay flights
Reagan-National to Thunder Bay flights
Baltimore to Windsor flights
Baltimore to Sault Ste Marie flights
Dulles Intl to Timmins flights
Baltimore to Thunder Bay flights
Baltimore to North Bay flights
Reagan-National 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$155Average$382FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$176Average$464FlexibilityNo cancel feeOn-time69%

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