$137 Cheap Flights from Washington (DCA) to Montreal (YUL)

View $137 flight on Wed, Sep 17, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Washington to Montreal (DCA-YUL)

Prices were available within the past 7 days and start at $137 for one-way flights and $232 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sat, Oct 4 - Sun, Oct 5
DCA
Washington
YUL
Montreal
$232 Roundtrip, found 1 day ago
$232
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Oct 4 from Washington to Montreal, returning Sun, Oct 5, priced at $232 found 1 day ago
Air Canada
Sat, Sep 27 - Sun, Sep 28
DCA
Washington
YUL
Montreal
$277 Roundtrip, found 13 hours ago
$277
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Sat, Sep 27 from Washington to Montreal, returning Sun, Sep 28, priced at $277 found 13 hours ago
United
Fri, Sep 5 - Mon, Sep 8
DCA
Washington
YUL
Montreal
$310 Roundtrip, found 2 hours ago
$310
Roundtrip
found 2 hours ago
Select United flight, departing Fri, Sep 5 from Washington to Montreal, returning Mon, Sep 8, priced at $310 found 2 hours ago
Delta
Fri, Aug 15 - Wed, Aug 20
DCA
Washington
YUL
Montreal
$312 Roundtrip, just found
$312
Roundtrip
just found
Select Delta flight, departing Fri, Aug 15 from Washington to Montreal, returning Wed, Aug 20, priced at $312 just found
United
Sun, Oct 5 - Sat, Nov 1
DCA
Washington
YUL
Montreal
$314 Roundtrip, found 22 hours ago
$314
Roundtrip
found 22 hours ago
Select United flight, departing Sun, Oct 5 from Washington to Montreal, returning Sat, Nov 1, priced at $314 found 22 hours ago
Air Canada
Fri, Sep 12 - Tue, Sep 16
DCA
Washington
YUL
Montreal
$316 Roundtrip, found 3 hours ago
$316
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Fri, Sep 12 from Washington to Montreal, returning Tue, Sep 16, priced at $316 found 3 hours ago
Delta
Thu, Sep 25 - Mon, Sep 29
DCA
Washington
YUL
Montreal
$317 Roundtrip, found 2 hours ago
$317
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Sep 25 from Washington to Montreal, returning Mon, Sep 29, priced at $317 found 2 hours ago
Air Canada
Fri, Aug 15 - Mon, Aug 18
DCA
Washington
YUL
Montreal
$319 Roundtrip, found 2 hours ago
$319
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Fri, Aug 15 from Washington to Montreal, returning Mon, Aug 18, priced at $319 found 2 hours ago
United
Sun, Aug 24 - Sun, Aug 31
DCA
Washington
YUL
Montreal
$321 Roundtrip, found 17 hours ago
$321
Roundtrip
found 17 hours ago
Select United flight, departing Sun, Aug 24 from Washington to Montreal, returning Sun, Aug 31, priced at $321 found 17 hours ago
American Airlines
Wed, Sep 17 - Sun, Sep 21
DCA
Washington
YUL
Montreal
$324 Roundtrip, just found
$324
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 17 from Washington to Montreal, returning Sun, Sep 21, priced at $324 just found

Find the cheapest month to fly from Washington (DCA) to Montreal (YUL)

May is typically the cheapest month to fly

From $241 - $515 per traveler.

Graph displaying average flight prices per month

Alternative airports near Montreal

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

Select flight to Pierre Elliott Trudeau Intl. YUL. Cheapest and Closest option available. Average driving time to city center is 17 minutes. Flights from $337
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $337
Flights from Washington (DCA) to Montreal (YUL)
Origin airport
Ronald Reagan Washington National
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$224
Distance
486 mi
Average flight time
1 hour 52 mins

Washington to Montreal Flights

The cheapest times to fly from Washington to Montreal

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

 

The best time to book a flight from Washington to Montreal

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

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 Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 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 Montreal 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 Montreal 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 Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Cheap return fares from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL) start at $300. 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 15 2025 and touching down at YUL. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DCA to YUL?
The cheapest flights from DCA to YUL 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 Pierre Elliott Trudeau Intl. Airport (YUL)?
When jetting out of Ronald Reagan Washington National Airport (DCA), you can board a direct flight to Pierre Elliott Trudeau Intl. Airport (YUL) with Air Canada.
What is the cheapest airline that flies from DCA to YUL?
Fly from DCA to YUL with Air Canada. This carrier currently offers the lowest one-way fare for this route, starting at $137. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DCA on September 26 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 Pierre Elliott Trudeau Intl. Airport (YUL)?
When jetting out of Ronald Reagan Washington National Airport (DCA), you can take your pick from an average of 2 daily direct flights to Pierre Elliott Trudeau Intl. Airport (YUL).
What are the most popular departure times for flights from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The 6 AM departures from DCA to YUL are the most sought after. Prices can be higher for these popular slots. If you're looking to save, pick a less crowded time to fly.
What day of the week has the most flights from DCA to YUL?
Depart on a Friday if you're searching for the best selection of flights from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the earliest flight from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Ronald Reagan Washington National Airport (DCA)'s earliest flight to Pierre Elliott Trudeau Intl. Airport (YUL) is at approximately 6:00AM UTC-5. With a total journey time of 1h 45m, you'll touch down at around 7:45AM UTC-5.
How long does it take to fly from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The average flight time from DCA to YUL is 1 hour and 42 minutes, covering a distance of 490 mi.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Montreal from Ronald Reagan Washington National Airport (DCA)?
If you're boarding a direct flight from Ronald Reagan Washington National Airport (DCA) to Montreal, Pierre Elliott Trudeau Intl. Airport (YUL) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Booking your plane ticket from DCA to YUL shortly before your trip is generally more expensive. But if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a DCA to YUL flight and hotel package?
You can save money by booking a DCA to YUL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've selected your preferred flights and accommodations, consider other add-ons like car rentals, activities and tours.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you reserved your DCA to YUL flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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