$122 Cheap Flights from Washington (IAD) to Montreal (YUL)

View $122 flight on Mon, Jul 28, 2025Opens in a new window

Popular airlines from Washington Dulles Intl. Airport (IAD) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Washington to Montreal (IAD-YUL)

Prices were available within the past 7 days and start at $122 for one-way flights and $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, Sep 3 - Tue, Sep 9
IAD
Washington
YUL
Montreal
$267 Roundtrip, found 1 day ago
$267
Roundtrip
found 1 day ago
Select Air Canada flight, departing Wed, Sep 3 from Washington to Montreal, returning Tue, Sep 9, priced at $267 found 1 day ago
Delta
Wed, Nov 5 - Sun, Nov 9
IAD
Washington
YUL
Montreal
$275 Roundtrip, found 2 days ago
$275
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 5 from Washington to Montreal, returning Sun, Nov 9, priced at $275 found 2 days ago
Air Canada
Mon, Oct 6 - Tue, Oct 14
IAD
Washington
YUL
Montreal
$278 Roundtrip, found 3 days ago
$278
Roundtrip
found 3 days ago
Select Air Canada flight, departing Mon, Oct 6 from Washington to Montreal, returning Tue, Oct 14, priced at $278 found 3 days ago
Delta
Thu, Oct 2 - Thu, Oct 9
IAD
Washington
YUL
Montreal
$281 Roundtrip, found 3 days ago
$281
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Oct 2 from Washington to Montreal, returning Thu, Oct 9, priced at $281 found 3 days ago
Porter Airlines
Mon, Aug 25 - Thu, Aug 28
IAD
Washington
YUL
Montreal
$288 Roundtrip, found 1 hour ago
$288
Roundtrip
found 1 hour ago
Select Porter Airlines flight, departing Mon, Aug 25 from Washington to Montreal, returning Thu, Aug 28, priced at $288 found 1 hour ago
Air Canada
Sat, Aug 23 - Tue, Sep 23
IAD
Washington
YUL
Montreal
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select Air Canada flight, departing Sat, Aug 23 from Washington to Montreal, returning Tue, Sep 23, priced at $289 found 5 days ago
Porter Airlines
Thu, Aug 21 - Thu, Aug 28
IAD
Washington
YUL
Montreal
$289 Roundtrip, just found
$289
Roundtrip
just found
Select Porter Airlines flight, departing Thu, Aug 21 from Washington to Montreal, returning Thu, Aug 28, priced at $289 just found
Air Canada
Tue, Jul 15 - Wed, Oct 15
IAD
Washington
YUL
Montreal
$290 Roundtrip, found 5 days ago
$290
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Jul 15 from Washington to Montreal, returning Wed, Oct 15, priced at $290 found 5 days ago
United
Wed, Jul 23 - Tue, Jul 29
IAD
Washington
YUL
Montreal
$293 Roundtrip, found 1 hour ago
$293
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jul 23 from Washington to Montreal, returning Tue, Jul 29, priced at $293 found 1 hour ago
WestJet
Mon, Aug 4 - Fri, Aug 8
IAD
Washington
YUL
Montreal
$398 Roundtrip, found 1 hour ago
$398
Roundtrip
found 1 hour ago
Select WestJet flight, departing Mon, Aug 4 from Washington to Montreal, returning Fri, Aug 8, priced at $398 found 1 hour ago

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

May is typically the cheapest month to fly

From $226 - $446 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 $304
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $304
Flights from Washington (IAD) to Montreal (YUL)
Origin airport
Washington Dulles Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, Porter Airlines, United, WestJet
Roundtrip price
$258
Distance
487 mi
Average flight time
2 hours 2 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 September. 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 $122 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 Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Pick up cheap return tickets starting at $280 from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL). 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 IAD on July 29 2025 and touching down at YUL. The price was last updated on July 4 2025 and has not changed since.
What is the cheapest month to fly from IAD to YUL?
Search for direct flights from IAD to YUL in October to score cheaper tickets. You can find a one-way Air Canada flight for $114 leaving on October 2 2025. This price is based on the cheapest direct flight found on Expedia for this route in the next 330 days. The price was last updated on July 4 2025 and remains unchanged.
Which airlines fly direct from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
You can fly directly from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL) on an Air Canada flight.
What is the cheapest airline that flies from IAD to YUL?
Fly from IAD to YUL with Air Canada. This carrier currently offers the cheapest one-way ticket on this route, starting from $114. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from IAD on September 10 2025. Prices were last updated on July 4 2025 and have not changed since.
How many flights per day from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Every day, an average of 2 direct flights operate from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL). Select the departure date that best fits your schedule.
What are the most popular departure times for flights from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
More passengers fly between IAD and YUL at 8 AM than at any other point in the day. Looking for a quieter experience? Travel outside of rush hours and it's possible you'll save on your ticket as well.
What day of the week has the most flights from IAD to YUL?
Depart on a Friday if you're searching for the largest selection of flights from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL).
What is the earliest flight from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Hop on the earliest flight at around 8:18AM UTC-5, leaving from Washington Dulles Intl. Airport (IAD). You'll be in the air for roughly 2h 2m, coming in to land at Pierre Elliott Trudeau Intl. Airport (YUL) at approximately 10:20AM UTC-5.
How long does it take to fly from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The average flight time from IAD to YUL is 1 hour and 58 minutes, covering a total distance of 490 mi.
What is the best time to fly from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To touch down at Pierre Elliott Trudeau Intl. Airport (YUL) on time, pick a flight that leaves Washington Dulles Intl. Airport (IAD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Washington Dulles Intl. Airport (IAD)?
Pierre Elliott Trudeau Intl. Airport (YUL) is the only airport in Montreal with direct flights from Washington Dulles Intl. Airport (IAD). Explore the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Holding off until right before your break to book a ticket from IAD to YUL often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule for a better chance of getting a bargain.
Is it cheaper to book an IAD to YUL flight and hotel package?
Compared with arranging flights and hotels separately, booking an IAD to YUL flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
If you booked your IAD to YUL flight in the last 24 hours, you may be able to modify or cancel it at no cost. 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, go to our Customer Service portal for more information.

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