$167 Cheap Flights from Ottawa (YOW) to Washington (DCA)

View $167 flight on Thu, Aug 28, 2025Opens in a new window

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

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Cheap Flights from Ottawa to Washington (YOW-DCA)

Prices were available within the past 7 days and start at $167 for one-way flights and $261 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Sep 13 - Mon, Sep 15
YOW
Ottawa
DCA
Washington
$261 Roundtrip, found 1 day ago
$261
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Sep 13 from Ottawa to Washington, returning Mon, Sep 15, priced at $261 found 1 day ago
Air Canada
Wed, Aug 27 - Tue, Sep 9
YOW
Ottawa
DCA
Washington
$268 Roundtrip, found 1 day ago
$268
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Aug 27 from Ottawa to Washington, returning Tue, Sep 9, priced at $268 found 1 day ago
Air Canada
Tue, Aug 26 - Tue, Sep 9
YOW
Ottawa
DCA
Washington
$273 Roundtrip, found 1 day ago
$273
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 26 from Ottawa to Washington, returning Tue, Sep 9, priced at $273 found 1 day ago
Air Canada
Sat, Sep 13 - Mon, Sep 15
YOW
Ottawa
DCA
Washington
$275 Roundtrip, found 1 day ago
$275
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Sep 13 from Ottawa to Washington, returning Mon, Sep 15, priced at $275 found 1 day ago
Air Canada
Sat, Sep 13 - Mon, Sep 15
YOW
Ottawa
DCA
Washington
$276 Roundtrip, found 1 day ago
$276
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Sep 13 from Ottawa to Washington, returning Mon, Sep 15, priced at $276 found 1 day ago
Air Canada
Tue, Aug 26 - Fri, Sep 12
YOW
Ottawa
DCA
Washington
$278 Roundtrip, found 1 day ago
$278
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Aug 26 from Ottawa to Washington, returning Fri, Sep 12, priced at $278 found 1 day ago
Air Canada
Sat, Sep 13 - Mon, Sep 15
YOW
Ottawa
DCA
Washington
$282 Roundtrip, found 1 day ago
$282
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Sep 13 from Ottawa to Washington, returning Mon, Sep 15, priced at $282 found 1 day ago
Air Canada
Wed, Aug 27 - Tue, Sep 2
YOW
Ottawa
DCA
Washington
$285 Roundtrip, found 1 day ago
$285
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Aug 27 from Ottawa to Washington, returning Tue, Sep 2, priced at $285 found 1 day ago
United
Sat, Sep 13 - Sun, Sep 14
YOW
Ottawa
DCA
Washington
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select United flight, departing Sat, Sep 13 from Ottawa to Washington, returning Sun, Sep 14, priced at $329 found 2 days ago
WestJet
Fri, Sep 26 - Tue, Sep 30
YOW
Ottawa
DCA
Washington
$989 Roundtrip, found 10 hours ago
$989
Roundtrip
found 10 hours ago
Select WestJet flight, departing Fri, Sep 26 from Ottawa to Washington, returning Tue, Sep 30, priced at $989 found 10 hours ago

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

May is typically the cheapest month to fly

From $237 - $632 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

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

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Average driving time to city center is 40 minutes. Flights from $662
BWI
Baltimore Washington Intl. Thurgood Marshall
Average driving time to city center40 min
Flights from $662
Select flight to Washington Dulles Intl. IAD. Cheapest option available. Average driving time to city center is 36 minutes. Flights from $344
IAD
Washington Dulles Intl.
Cheapest
Average driving time to city center36 min
Flights from $344
Flights from Ottawa (YOW) to Washington (DCA)
Origin airport
Macdonald-Cartier Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, United, WestJet
Roundtrip price
$261
Distance
452 mi
Average flight time
1 hour 38 mins

Ottawa to Washington Flights

The cheapest times to fly from Ottawa to Washington

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 Ottawa to Washington are during the month of September. You can find some of the cheapest flights from Ottawa to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Ottawa to Washington

Sunday is one of the best days to book for cheap flights from Ottawa to Washington: 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 Ottawa to Washington

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 Ottawa to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $167 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 Ottawa to Washington 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 Ottawa to Washington 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 Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA) cost?
Cheap round-trip fares from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA) start from $392. 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 flight leaving YOW on August 1 2025 and touching down at DCA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from YOW to DCA?
The cheapest flights from YOW to DCA 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 Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
You can travel nonstop from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA) on an Air Canada flight.
What is the cheapest airline that flies from YOW to DCA?
Currently, the cheapest carrier offering one-way flights from YOW to DCA is Air Canada. You can jet off on this route from $177. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from YOW on September 15 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
On average, there's only 1 nonstop flight operating from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA) per day. If this doesn't fit your travel plans, check out flights with a layover. Just filter your search on Expedia to include one stop or more to find a better alternative.
What are the most popular departure times for flights from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
The 10 AM departures from YOW to DCA see the highest demand. These flights can come with a higher price due to their popularity. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from YOW to DCA?
Friday has the most flights from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA). Consider leaving on this day and you'll have a greater chance of finding a departure that fits your schedule.
What is the earliest flight from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
Hop on the earliest flight at around 10:30AM UTC-5, departing from Macdonald-Cartier Intl. Airport (YOW). You'll be flying for approximately 1h 50m, arriving at Ronald Reagan Washington National Airport (DCA) at approximately 12:20PM UTC-5.
How long does it take to fly from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
Flights from YOW to DCA have an average travel time of 1 hour and 50 minutes. The distance between these two airports is 450 mi.
What is the best time to fly from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
Select a flight from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**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 Washington from Macdonald-Cartier Intl. Airport (YOW)?
You'll arrive at Washington Dulles Intl. Airport (IAD) or Ronald Reagan Washington National Airport (DCA) when traveling to Washington on a direct flight from Macdonald-Cartier Intl. Airport (YOW).
Is it cheaper to buy a plane ticket from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA) last-minute?
Last-minute fares from YOW to DCA are generally more expensive. To secure the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book a YOW to DCA flight and hotel package?
You'll typically save money by booking a YOW to DCA flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Macdonald-Cartier Intl. Airport (YOW) to Ronald Reagan Washington National Airport (DCA)?
It's generally possible to reschedule or cancel your YOW to DCA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

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