$164 Cheap Flights from Washington (DCA) to Ottawa (YOW)

View $164 flight on Wed, Sep 10, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Ottawa International Airport (YOW)

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Cheap Flights from Washington to Ottawa (DCA-YOW)

Prices were available within the past 7 days and start at $164 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Sep 19 - Sun, Sep 21
DCA
Washington
YOW
Ottawa
$319 Roundtrip, found 20 hours ago
$319
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Fri, Sep 19 from Washington to Ottawa, returning Sun, Sep 21, priced at $319 found 20 hours ago
Air Canada
Wed, Sep 3 - Mon, Sep 8
DCA
Washington
YOW
Ottawa
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Sep 3 from Washington to Ottawa, returning Mon, Sep 8, priced at $323 found 1 day ago
Air Canada
Fri, Sep 19 - Sun, Sep 21
DCA
Washington
YOW
Ottawa
$324 Roundtrip, found 20 hours ago
$324
Roundtrip
found 20 hours ago
Select Air Canada flight, departing Fri, Sep 19 from Washington to Ottawa, returning Sun, Sep 21, priced at $324 found 20 hours ago
United
Wed, Sep 3 - Mon, Sep 8
DCA
Washington
YOW
Ottawa
$326 Roundtrip, found 1 day ago
$326
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from Washington to Ottawa, returning Mon, Sep 8, priced at $326 found 1 day ago
Air Canada
Wed, Sep 3 - Mon, Sep 8
DCA
Washington
YOW
Ottawa
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Sep 3 from Washington to Ottawa, returning Mon, Sep 8, priced at $335 found 1 day ago
Air Canada
Wed, Sep 10 - Thu, Sep 11
DCA
Washington
YOW
Ottawa
$340 Roundtrip, found 2 hours ago
$340
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Wed, Sep 10 from Washington to Ottawa, returning Thu, Sep 11, priced at $340 found 2 hours ago
United
Wed, Sep 3 - Mon, Sep 8
DCA
Washington
YOW
Ottawa
$343 Roundtrip, found 1 day ago
$343
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 3 from Washington to Ottawa, returning Mon, Sep 8, priced at $343 found 1 day ago
Air Canada
Wed, Sep 3 - Mon, Sep 8
DCA
Washington
YOW
Ottawa
$349 Roundtrip, found 1 day ago
$349
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Sep 3 from Washington to Ottawa, returning Mon, Sep 8, priced at $349 found 1 day ago
United
Tue, Sep 9 - Sat, Sep 13
DCA
Washington
YOW
Ottawa
$356 Roundtrip, found 2 hours ago
$356
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 9 from Washington to Ottawa, returning Sat, Sep 13, priced at $356 found 2 hours ago
WestJet
Fri, Sep 5 - Fri, Sep 12
DCA
Washington
YOW
Ottawa
$1,259 Roundtrip, found 15 hours ago
$1,259
Roundtrip
found 15 hours ago
Select WestJet flight, departing Fri, Sep 5 from Washington to Ottawa, returning Fri, Sep 12, priced at $1,259 found 15 hours ago

Find the cheapest month to fly from Washington (DCA) to Ottawa (YOW)

May is typically the cheapest month to fly

From $258 - $783 per traveler.

Graph displaying average flight prices per month

Alternative airports near Ottawa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Macdonald-Cartier Intl. YOW. Cheapest option available. Average driving time to city center is 15 minutes. Flights from $437
YOW
Macdonald-Cartier Intl.
Cheapest
Average driving time to city center15 min
Flights from $437
Flights from Washington (DCA) to Ottawa (YOW)
Origin airport
Ronald Reagan Washington National
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada, United, WestJet
Roundtrip price
$226
Distance
452 mi
Average flight time
1 hour 32 mins

Washington to Ottawa Flights

The cheapest times to fly from Washington to Ottawa

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Ottawa are during the month of September. You can find some of the cheapest flights from Washington to Ottawa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Ottawa

Sunday is one of the best days to book for cheap flights from Washington to Ottawa: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Ottawa

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Ottawa in 2025. You can also book with separate airlines for your outbound and return journeys, from $164 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Ottawa flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Ottawa airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW) cost?
Cheap round-trip fares from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW) start from $361. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Air Canada and United flight leaving DCA on August 14 2025 and touching down at YOW. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to YOW?
The cheapest flights from DCA to YOW are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
If you're departing from Ronald Reagan Washington National Airport (DCA), you can take a nonstop flight to Macdonald-Cartier Intl. Airport (YOW) with Air Canada.
What is the cheapest airline that flies from DCA to YOW?
Journey from DCA to YOW with Air Canada. This airline currently offers the cheapest one-way fare on this route, starting at $164. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on August 22 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
On average, only 1 direct flight departs daily from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW). Want additional options? Use Expedia's filters to find flights with layovers and squeeze in a visit to another city along the way.
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
The 12 PM departures from DCA to YOW see the highest demand. Prices can be higher for these popular slots. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from DCA to YOW?
Friday offers the most flights from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW). Consider leaving on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
The earliest flight leaving Ronald Reagan Washington National Airport (DCA) is at around 12:55PM UTC-5. Board this plane and you'll reach Macdonald-Cartier Intl. Airport (YOW) at approximately 2:35PM UTC-5. The total travel time is 1h 40m.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
Flights from DCA to YOW have an average travel time of 1 hour and 40 minutes. The total distance between the two airports is 450 mi.
What airline has the least delays from DCA to YOW?
With 80% of journeys typically landing on schedule, Air Canada has the best on-time performance for direct flights from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW). To keep track of your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
To arrive at Macdonald-Cartier Intl. Airport (YOW) on time, opt for a flight that leaves Ronald Reagan Washington National Airport (DCA) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Ottawa from Ronald Reagan Washington National Airport (DCA)?
Macdonald-Cartier Intl. Airport (YOW) is the only airport in Ottawa with direct flights from Ronald Reagan Washington National Airport (DCA). Compare your options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW) last-minute?
Booking your plane ticket from DCA to YOW just before your journey is generally more expensive. But if you're flexible with your itinerary, you could score a cheap last-minute fare.
Is it cheaper to book a DCA to YOW flight and hotel package?
Booking a DCA to YOW flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Choose from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
Typically, it's possible to reschedule or cancel your DCA to YOW flight. However, if it's been more than 24 hours since booking, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

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Washington nearby Airports

Washington

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$621.35
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