$186 Cheap Flights from Washington (DCA) to Ottawa (YOW)

View $186 flight on Wed, Feb 18, 2026Opens in a new window

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

Cheap Flights from Washington to Ottawa (DCA-YOW)

Prices were available within the past 7 days and start at $186 for one-way flights and $359 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Nov 19 - Wed, Nov 26
DCA
Washington
YOW
Ottawa
$359 Roundtrip, found 3 days ago
$359
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Nov 19 from Washington to Ottawa, returning Wed, Nov 26, priced at $359 found 3 days ago
Air Canada
Wed, Nov 19 - Wed, Nov 26
DCA
Washington
YOW
Ottawa
$364 Roundtrip, found 3 days ago
$364
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Nov 19 from Washington to Ottawa, returning Wed, Nov 26, priced at $364 found 3 days ago
Air Canada
Wed, Nov 19 - Wed, Nov 26
DCA
Washington
YOW
Ottawa
$371 Roundtrip, found 3 days ago
$371
Roundtrip
found 3 days ago
Select Air Canada flight, departing Wed, Nov 19 from Washington to Ottawa, returning Wed, Nov 26, priced at $371 found 3 days ago
Air Canada
Tue, Nov 11 - Tue, Nov 18
DCA
Washington
YOW
Ottawa
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Nov 11 from Washington to Ottawa, returning Tue, Nov 18, priced at $375 found 3 days ago
Air Canada
Sun, Dec 7 - Wed, Dec 10
DCA
Washington
YOW
Ottawa
$377 Roundtrip, found 2 days ago
$377
Roundtrip
found 2 days ago
Select Air Canada flight, departing Sun, Dec 7 from Washington to Ottawa, returning Wed, Dec 10, priced at $377 found 2 days ago
Air Canada
Tue, Nov 11 - Tue, Nov 18
DCA
Washington
YOW
Ottawa
$380 Roundtrip, found 3 days ago
$380
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Nov 11 from Washington to Ottawa, returning Tue, Nov 18, priced at $380 found 3 days ago
Air Canada
Tue, Nov 11 - Tue, Nov 18
DCA
Washington
YOW
Ottawa
$381 Roundtrip, found 3 days ago
$381
Roundtrip
found 3 days ago
Select Air Canada flight, departing Tue, Nov 11 from Washington to Ottawa, returning Tue, Nov 18, priced at $381 found 3 days ago
United
Sun, Dec 7 - Wed, Dec 10
DCA
Washington
YOW
Ottawa
$404 Roundtrip, found 2 days ago
$404
Roundtrip
found 2 days ago
Select United flight, departing Sun, Dec 7 from Washington to Ottawa, returning Wed, Dec 10, priced at $404 found 2 days ago
Porter Airlines
Fri, Jan 16 - Tue, Jan 20
DCA
Washington
YOW
Ottawa
$572 Roundtrip, found 1 day ago
$572
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Fri, Jan 16 from Washington to Ottawa, returning Tue, Jan 20, priced at $572 found 1 day ago
WestJet
Tue, Mar 17 - Wed, Mar 18
DCA
Washington
YOW
Ottawa
$1,231 Roundtrip, found 1 day ago
$1,231
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Mar 17 from Washington to Ottawa, returning Wed, Mar 18, priced at $1,231 found 1 day ago

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

May is typically the cheapest month to fly

From $258 - $810 per traveler.

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW) cost?
Snag a cheap one-way flight from $186 or cheap return flight from $359 from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
November is the cheapest month to fly from DCA to YOW. Timing your trip outside of the busy season is often the key to finding better deals on flights.
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 Ronald Reagan Washington National Airport (DCA) to Macdonald-Cartier Intl. Airport (YOW)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest DCA to YOW flight.
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.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Macdonald-Cartier Intl.
Airlines serving
Air Canada, Porter Airlines, United, WestJet
Roundtrip price
$342
Distance
452 mi
Average flight time
1 hour 35 mins

Book with confidence

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 November. 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 $186 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.

 

Washington to Ottawa Flights

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*Available to One Key members.