$162 Cheap Flights from Buffalo (BUF) to Montreal (YUL)

View $162 flight on Tue, Sep 23, 2025Opens in a new window

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Montreal–Trudeau Intl. Airport (YUL)

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Cheap Flights from Buffalo to Montreal (BUF-YUL)

Prices were available within the past 7 days and start at $162 for one-way flights and $372 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Oct 12 - Wed, Oct 15
BUF
Buffalo
YUL
Montreal
$372 Roundtrip, found 10 hours ago
$372
Roundtrip
found 10 hours ago
Select Delta flight, departing Sun, Oct 12 from Buffalo to Montreal, returning Wed, Oct 15, priced at $372 found 10 hours ago
Delta
Wed, Oct 8 - Tue, Oct 28
BUF
Buffalo
YUL
Montreal
$391 Roundtrip, found 2 days ago
$391
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 8 from Buffalo to Montreal, returning Tue, Oct 28, priced at $391 found 2 days ago
Delta
Sat, Aug 30 - Thu, Sep 4
BUF
Buffalo
YUL
Montreal
$396 Roundtrip, found 10 hours ago
$396
Roundtrip
found 10 hours ago
Select Delta flight, departing Sat, Aug 30 from Buffalo to Montreal, returning Thu, Sep 4, priced at $396 found 10 hours ago
Delta
Wed, Oct 22 - Sat, Nov 8
BUF
Buffalo
YUL
Montreal
$400 Roundtrip, found 5 days ago
$400
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Oct 22 from Buffalo to Montreal, returning Sat, Nov 8, priced at $400 found 5 days ago
American Airlines
Sat, Oct 25 - Wed, Oct 29
BUF
Buffalo
YUL
Montreal
$401 Roundtrip, found 4 days ago
$401
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Oct 25 from Buffalo to Montreal, returning Wed, Oct 29, priced at $401 found 4 days ago
American Airlines
Wed, Sep 3 - Thu, Sep 4
BUF
Buffalo
YUL
Montreal
$405 Roundtrip, found 6 days ago
$405
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Sep 3 from Buffalo to Montreal, returning Thu, Sep 4, priced at $405 found 6 days ago
Delta
Tue, Oct 14 - Wed, Oct 15
BUF
Buffalo
YUL
Montreal
$406 Roundtrip, found 10 hours ago
$406
Roundtrip
found 10 hours ago
Select Delta flight, departing Tue, Oct 14 from Buffalo to Montreal, returning Wed, Oct 15, priced at $406 found 10 hours ago
United
Thu, Oct 23 - Thu, Nov 6
BUF
Buffalo
YUL
Montreal
$521 Roundtrip, found 5 days ago
$521
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 23 from Buffalo to Montreal, returning Thu, Nov 6, priced at $521 found 5 days ago
Air Canada
Fri, Sep 19 - Sun, Sep 21
BUF
Buffalo
YUL
Montreal
$742 Roundtrip, just found
$742
Roundtrip
just found
Select Air Canada flight, departing Fri, Sep 19 from Buffalo to Montreal, returning Sun, Sep 21, priced at $742 just found
WestJet
Sun, Oct 12 - Wed, Oct 15
BUF
Buffalo
YUL
Montreal
$766 Roundtrip, found 10 hours ago
$766
Roundtrip
found 10 hours ago
Select WestJet flight, departing Sun, Oct 12 from Buffalo to Montreal, returning Wed, Oct 15, priced at $766 found 10 hours ago

Find the cheapest month to fly from Buffalo (BUF) to Montreal (YUL)

October is typically the cheapest month to fly

From $269 - $720 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 $454
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $454
Flights from Buffalo (BUF) to Montreal (YUL)
Origin airport
Buffalo Niagara Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$372
Distance
302 mi

Buffalo to Montreal Flights

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

 

The best time to book a flight from Buffalo to Montreal

Sunday is one of the best days to book for cheap flights from Buffalo 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 Buffalo 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 Buffalo to Montreal in 2025. You can also book with separate airlines for your outbound and return journeys, from $162 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 Buffalo 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 Buffalo 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 Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL) cost?
Discover the latest flight deals from BUF to YUL by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BUF to YUL?
The cheapest flights from BUF 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 Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
Although Buffalo, NY (BUF-Buffalo Niagara Intl.) has no direct flights to Pierre Elliott Trudeau Intl. Airport (YUL), other airports have nonstop options. Traveling from Billy Bishop Toronto City Airport (YTZ) will get you to Montreal without any detours.
What is the cheapest airline that flies from BUF to YUL?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from BUF to YUL. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
You'll have to take a flight with a layover when traveling from Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from BUF to YUL?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
To avoid possible delays on the Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL) route, aim to travel before 3 PM. Flights after this time 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.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL) last-minute?
Waiting until right before your break to book a flight from BUF to YUL generally means paying more. While you may come across some last-minute deals, there's no guarantee. Keep your travel schedule open to boost your chances of landing a bargain.
Is it cheaper to book a BUF to YUL flight and hotel package?
Securing a BUF to YUL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our wide range of accommodations and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Pierre Elliott Trudeau Intl. Airport (YUL)?
In most cases, you can modify or cancel your BUF to YUL flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, visit our Customer Service portal.

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*Available to One Key members.