$225 Cheap Flights from Montreal (YUL) to Buffalo (BUF)

View $225 flight on Tue, Oct 28, 2025Opens in a new window

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

Cheap Flights from Montreal to Buffalo (YUL-BUF)

Prices were available within the past 7 days and start at $225 for one-way flights and $373 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep 20 - Sat, Sep 27
YUL
Montreal
BUF
Buffalo
$373 Roundtrip, found 6 days ago
$373
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep 20 from Montreal to Buffalo, returning Sat, Sep 27, priced at $373 found 6 days ago
Delta
Wed, Oct 15 - Tue, Oct 21
YUL
Montreal
BUF
Buffalo
$377 Roundtrip, found 1 day ago
$377
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Oct 15 from Montreal to Buffalo, returning Tue, Oct 21, priced at $377 found 1 day ago
Delta
Thu, Sep 18 - Sun, Sep 28
YUL
Montreal
BUF
Buffalo
$387 Roundtrip, found 6 days ago
$387
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 18 from Montreal to Buffalo, returning Sun, Sep 28, priced at $387 found 6 days ago
Delta
Sun, Sep 21 - Wed, Sep 24
YUL
Montreal
BUF
Buffalo
$398 Roundtrip, found 6 days ago
$398
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Sep 21 from Montreal to Buffalo, returning Wed, Sep 24, priced at $398 found 6 days ago
Delta
Tue, Sep 16 - Wed, Sep 17
YUL
Montreal
BUF
Buffalo
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Sep 16 from Montreal to Buffalo, returning Wed, Sep 17, priced at $399 found 1 day ago
American Airlines
Sat, Sep 13 - Wed, Sep 17
YUL
Montreal
BUF
Buffalo
$402 Roundtrip, found 1 day ago
$402
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Sep 13 from Montreal to Buffalo, returning Wed, Sep 17, priced at $402 found 1 day ago
Delta
Sun, Sep 21 - Sun, Sep 28
YUL
Montreal
BUF
Buffalo
$403 Roundtrip, found 6 days ago
$403
Roundtrip
found 6 days ago
Select Delta flight, departing Sun, Sep 21 from Montreal to Buffalo, returning Sun, Sep 28, priced at $403 found 6 days ago
Air Canada
Sat, Sep 20 - Sat, Sep 27
YUL
Montreal
BUF
Buffalo
$426 Roundtrip, found 6 days ago
$426
Roundtrip
found 6 days ago
Select Air Canada flight, departing Sat, Sep 20 from Montreal to Buffalo, returning Sat, Sep 27, priced at $426 found 6 days ago
United
Fri, Oct 17 - Mon, Oct 20
YUL
Montreal
BUF
Buffalo
$524 Roundtrip, found 1 day ago
$524
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 17 from Montreal to Buffalo, returning Mon, Oct 20, priced at $524 found 1 day ago
WestJet
Tue, Sep 9 - Tue, Sep 16
YUL
Montreal
BUF
Buffalo
$620 Roundtrip, found 1 day ago
$620
Roundtrip
found 1 day ago
Select WestJet flight, departing Tue, Sep 9 from Montreal to Buffalo, returning Tue, Sep 16, priced at $620 found 1 day ago

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

November is typically the cheapest month to fly

From $249 - $574 per traveler.

Graph displaying average flight prices per month

Alternative airports near Buffalo

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

Select flight to Buffalo Niagara Intl. BUF. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $510
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $510
Flights from Montreal (YUL) to Buffalo (BUF)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$373
Distance
302 mi

Montreal to Buffalo Flights

The cheapest times to fly from Montreal to Buffalo

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

 

The best time to book a flight from Montreal to Buffalo

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

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 Montreal to Buffalo in 2025. You can also book with separate airlines for your outbound and return journeys, from $225 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 Montreal to Buffalo 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 Montreal to Buffalo 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF) cost?
Grab a cheap one-way flight from $225 or cheap return flight from $373 from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF) 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 Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF)?
Flying in September can help you save, as it's the cheapest month for flights between YUL and BUF. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF)?
To find the cheapest airline that'll fly you from YUL to BUF, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF)?
There aren't any daily direct flights departing from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from YUL to BUF?
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 public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF)?
To arrive at Buffalo Niagara Intl. Airport (BUF) on time, choose a flight that leaves Pierre Elliott Trudeau Intl. Airport (YUL) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Buffalo from Pierre Elliott Trudeau Intl. Airport (YUL)?
Check out your flight options from Pierre Elliott Trudeau Intl. Airport (YUL) to Billy Bishop Toronto City Airport (YTZ). This is the only airport in Buffalo you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF) last-minute?
Holding off until just before your departure to book a flight from YUL to BUF often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Keep your travel schedule open to maximize your chances of getting a bargain.
Is it cheaper to book a YUL to BUF flight and hotel package?
Booking a YUL to BUF flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pierre Elliott Trudeau Intl. Airport (YUL) to Buffalo Niagara Intl. Airport (BUF)?
It's usually possible to reschedule or cancel your YUL to BUF flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.