$123 Cheap Flights from Washington (IAD) to Montreal (YUL)

View $123 flight on Wed, Nov 12, 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 $123 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Porter Airlines
Mon, Jan 12 - Thu, Jan 22
IAD
Washington
YUL
Montreal
$287 Roundtrip, found 15 hours ago
$287
Roundtrip
found 15 hours ago
Select Porter Airlines flight, departing Mon, Jan 12 from Washington to Montreal, returning Thu, Jan 22, priced at $287 found 15 hours ago
Porter Airlines
Thu, Jan 15 - Sun, Jan 18
IAD
Washington
YUL
Montreal
$289 Roundtrip, found 19 hours ago
$289
Roundtrip
found 19 hours ago
Select Porter Airlines flight, departing Thu, Jan 15 from Washington to Montreal, returning Sun, Jan 18, priced at $289 found 19 hours ago
Porter Airlines
Wed, Dec 10 - Fri, Dec 12
IAD
Washington
YUL
Montreal
$290 Roundtrip, found 2 days ago
$290
Roundtrip
found 2 days ago
Select Porter Airlines flight, departing Wed, Dec 10 from Washington to Montreal, returning Fri, Dec 12, priced at $290 found 2 days ago
Porter Airlines
Wed, Dec 3 - Sun, Jan 18
IAD
Washington
YUL
Montreal
$291 Roundtrip, found 1 day ago
$291
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Wed, Dec 3 from Washington to Montreal, returning Sun, Jan 18, priced at $291 found 1 day ago
Porter Airlines
Sat, Dec 6 - Sat, Dec 13
IAD
Washington
YUL
Montreal
$292 Roundtrip, found 3 days ago
$292
Roundtrip
found 3 days ago
Select Porter Airlines flight, departing Sat, Dec 6 from Washington to Montreal, returning Sat, Dec 13, priced at $292 found 3 days ago
Porter Airlines
Sun, Nov 16 - Sat, Dec 6
IAD
Washington
YUL
Montreal
$292 Roundtrip, found 1 day ago
$292
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Sun, Nov 16 from Washington to Montreal, returning Sat, Dec 6, priced at $292 found 1 day ago
Porter Airlines
Tue, Nov 25 - Tue, Dec 2
IAD
Washington
YUL
Montreal
$294 Roundtrip, found 1 day ago
$294
Roundtrip
found 1 day ago
Select Porter Airlines flight, departing Tue, Nov 25 from Washington to Montreal, returning Tue, Dec 2, priced at $294 found 1 day ago
Air Canada
Sat, Jan 17 - Mon, Jan 19
IAD
Washington
YUL
Montreal
$297 Roundtrip, found 1 day ago
$297
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sat, Jan 17 from Washington to Montreal, returning Mon, Jan 19, priced at $297 found 1 day ago
Delta
Mon, Nov 24 - Fri, Nov 28
IAD
Washington
YUL
Montreal
$310 Roundtrip, found 1 hour ago
$310
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Nov 24 from Washington to Montreal, returning Fri, Nov 28, priced at $310 found 1 hour ago
American Airlines
Fri, Oct 31 - Sun, Nov 2
IAD
Washington
YUL
Montreal
$1,299 Roundtrip, found 2 hours ago
$1,299
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Fri, Oct 31 from Washington to Montreal, returning Sun, Nov 2, priced at $1,299 found 2 hours ago

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

May is typically the cheapest month to fly

From $232 - $478 per traveler.

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 $308
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $308

Frequently asked questions

How much does a flight from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Get a cheap one-way flight from $123 or cheap return flight from $287 from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Flying in January can help you save, as it's the cheapest month for flights between IAD and YUL. You'll typically find the lowest prices during the off-season.
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 Washington Dulles Intl. Airport (IAD) to Pierre Elliott Trudeau Intl. Airport (YUL)?
The cheapest airline to offer flights between Washington Dulles Intl. Airport (IAD) and Pierre Elliott Trudeau Intl. Airport (YUL) will vary based on when you plan to fly. Air Canada and United Airlines are just some good options offering well-priced fares. Use Expedia's filters to compare airlines in one place and find the right IAD to YUL flight that fits your budget.
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.

Travel information

0
Origin airport
Washington Dulles Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, Porter Airlines, United, WestJet
Roundtrip price
$265
Distance
487 mi

Book with confidence

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 January. 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 $123 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.

 

Washington to Montreal Flights

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