$207 Cheap Flights from Montreal (YUL) to Buffalo (BUF)

View $207 flight on Wed, Oct 15, 2025Opens in a new window

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 $207 for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Oct 21 - Sat, Oct 25
YUL
Montreal
BUF
Buffalo
$355 Roundtrip, found 5 days ago
$355
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from Montreal to Buffalo, returning Sat, Oct 25, priced at $355 found 5 days ago
Delta
Tue, Oct 21 - Thu, Oct 30
YUL
Montreal
BUF
Buffalo
$364 Roundtrip, found 5 days ago
$364
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Oct 21 from Montreal to Buffalo, returning Thu, Oct 30, priced at $364 found 5 days ago
Delta
Thu, Sep 4 - Tue, Sep 16
YUL
Montreal
BUF
Buffalo
$365 Roundtrip, found 6 days ago
$365
Roundtrip
found 6 days ago
Select Delta flight, departing Thu, Sep 4 from Montreal to Buffalo, returning Tue, Sep 16, priced at $365 found 6 days ago
Delta
Tue, Sep 9 - Wed, Sep 17
YUL
Montreal
BUF
Buffalo
$369 Roundtrip, just found
$369
Roundtrip
just found
Select Delta flight, departing Tue, Sep 9 from Montreal to Buffalo, returning Wed, Sep 17, priced at $369 just found
Delta
Tue, Sep 2 - Tue, Sep 16
YUL
Montreal
BUF
Buffalo
$371 Roundtrip, found 6 days ago
$371
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Sep 2 from Montreal to Buffalo, returning Tue, Sep 16, priced at $371 found 6 days ago
Delta
Tue, Sep 9 - Sat, Sep 27
YUL
Montreal
BUF
Buffalo
$371 Roundtrip, found 2 days ago
$371
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Sep 9 from Montreal to Buffalo, returning Sat, Sep 27, priced at $371 found 2 days ago
American Airlines
Sat, Aug 23 - Sat, Sep 6
YUL
Montreal
BUF
Buffalo
$406 Roundtrip, found 6 days ago
$406
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Aug 23 from Montreal to Buffalo, returning Sat, Sep 6, priced at $406 found 6 days ago
United
Mon, Oct 6 - Wed, Oct 8
YUL
Montreal
BUF
Buffalo
$465 Roundtrip, found 6 days ago
$465
Roundtrip
found 6 days ago
Select United flight, departing Mon, Oct 6 from Montreal to Buffalo, returning Wed, Oct 8, priced at $465 found 6 days ago
WestJet
Wed, Sep 10 - Wed, Sep 17
YUL
Montreal
BUF
Buffalo
$597 Roundtrip, found 3 days ago
$597
Roundtrip
found 3 days ago
Select WestJet flight, departing Wed, Sep 10 from Montreal to Buffalo, returning Wed, Sep 17, priced at $597 found 3 days ago
Air Canada
Fri, Aug 15 - Wed, Aug 20
YUL
Montreal
BUF
Buffalo
$708 Roundtrip, found 8 hours ago
$708
Roundtrip
found 8 hours ago
Select Air Canada flight, departing Fri, Aug 15 from Montreal to Buffalo, returning Wed, Aug 20, priced at $708 found 8 hours ago

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

November is typically the cheapest month to fly

From $249 - $570 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 $469
BUF
Buffalo Niagara Intl.
CheapestClosest
Average driving time to city center16 min
Flights from $469
Flights from Montreal (YUL) to Buffalo (BUF)
Origin airport
Pierre Elliott Trudeau Intl.
Destination airport
Buffalo Niagara Intl.
Airlines serving
WestJet
Roundtrip price
$355
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 October. 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 $207 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?
Discover the latest flight deals from YUL to BUF 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 YUL to BUF?
The cheapest flights from YUL to BUF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from YUL to BUF?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from YUL to BUF. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.