$156 Cheap Flights from Montreal (YUL) to Buffalo (BUF)

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

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Cheap Flights from Montreal to Buffalo (YUL-BUF)

Prices were available within the past 7 days and start at $156 for one-way flights and $255 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
Delta
Delta
American Airlines
American Airlines
Delta
Air Canada
United
WestJet
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
$248
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 May. 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 $156 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

Is it cheaper to buy a plane ticket from Montreal Airport to Buffalo Niagara International Airport last minute?
Being a spontaneous soul is a rewarding way to travel, but it isn’t necessarily the cleverest way to track down a cheap plane ticket. Consider booking your Montréal–Trudeau to Buffalo Niagara International Airport trip well in advance rather than leaving it until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Save all that spontaneity for when you reach your destination!
What airports do you fly into for Buffalo from Montreal?
From Montreal, you can connect to Buffalo through Buffalo Niagara Intl. Airport (BUF), Billy Bishop Toronto City Airport (YTZ) and Chautauqua County Airport (JHW). Find out which hub is the most convenient for you before you make a decision. If you settle on Buffalo Niagara Intl. Airport (BUF), it’s about 8 mi northeast of downtown. Use the money you save when booking your journey with Expedia to discover the city’s top sights, such as KeyBank Center and Buffalo and Erie County Naval and Military Park.
Can I change the date of my flight from Montréal--Trudeau to Buffalo Niagara International Airport?
We know plans can get upended, so Expedia is here to help make amending your journey easy. First, find your Montreal Airport to Buffalo Niagara International Airport itinerary through the Expedia Trips portal and look up the fare rules and restrictions about what sorts of changes are allowed. If you purchased your airfare in the last 24 hours, some airlines allow you to cancel at no cost and organize new flights. If you bought your fare more than 24 hours ago, contact us via our Customer Service portal to find out what your options are.

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