Cheap Flights from Buffalo (BUF) to Montreal (YMX)

Popular airlines from Buffalo Niagara Intl. Airport (BUF) to Montreal, QC (YMX-Mirabel Intl.)

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Frequently asked questions

How much does a flight from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX) cost?
Snag a cheap one-way flight or cheap return flight from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX)?
Flying in may help you find better deals, as it's the cheapest month for flights between BUF and YMX. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX)?
To find the cheapest airline that'll fly you from BUF to YMX, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX)?
You'll need to book a flight with a layover if you're traveling from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from BUF to YMX?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, carrier and other factors.*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 Mirabel Intl. Airport (YMX)?
To touch down at Mirabel Intl. Airport (YMX) without delays, opt for a flight that leaves from Buffalo Niagara Intl. Airport (BUF) before 3 PM. The likelihood 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.
Is it cheaper to buy a plane ticket from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX) last-minute?
Booking your flight from BUF to YMX shortly before your trip is usually more expensive. But if there's some wiggle room with your departure dates and times, you could grab a cheap last-minute fare.
Can I cancel or change the date of my flight from Buffalo Niagara Intl. Airport (BUF) to Mirabel Intl. Airport (YMX)?
Usually, it's possible to cancel or reschedule your BUF to YMX flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Mirabel Intl.
Distance
300 mi

Book with confidence

Book with confidence

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 . 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 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.

 

Buffalo to Montreal Flights

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*Available to One Key members.