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$249 Cheap Flights from Buffalo (BUF) to Montreal (YUL)

View $249 flight on Thu, Oct 8, 2026Opens 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 $249 for one-way flights and $564 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, May 22 - Wed, May 26
BUF
Buffalo
YUL
Montreal
$564 Roundtrip, found 1 day ago
$564
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 22 from Buffalo to Montreal, returning Wed, May 26, priced at $564 found 1 day ago
United
Sat, May 22 - Wed, May 26
BUF
Buffalo
YUL
Montreal
$568 Roundtrip, found 1 day ago
$568
Roundtrip
found 1 day ago
Select United flight, departing Sat, May 22 from Buffalo to Montreal, returning Wed, May 26, priced at $568 found 1 day ago
Delta
Sat, Dec 5 - Mon, Dec 7
BUF
Buffalo
YUL
Montreal
$571 Roundtrip, found 22 hours ago
$571
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Dec 5 from Buffalo to Montreal, returning Mon, Dec 7, priced at $571 found 22 hours ago
American Airlines
Sat, May 22 - Wed, May 26
BUF
Buffalo
YUL
Montreal
$576 Roundtrip, found 1 day ago
$576
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, May 22 from Buffalo to Montreal, returning Wed, May 26, priced at $576 found 1 day ago
Delta
Tue, Nov 17 - Thu, Nov 19
BUF
Buffalo
YUL
Montreal
$576 Roundtrip, found 4 days ago
$576
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Nov 17 from Buffalo to Montreal, returning Thu, Nov 19, priced at $576 found 4 days ago
American Airlines
Sat, May 22 - Wed, May 26
BUF
Buffalo
YUL
Montreal
$578 Roundtrip, found 1 day ago
$578
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, May 22 from Buffalo to Montreal, returning Wed, May 26, priced at $578 found 1 day ago
United
Tue, Apr 6 - Sat, Apr 10
BUF
Buffalo
YUL
Montreal
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select United flight, departing Tue, Apr 6 from Buffalo to Montreal, returning Sat, Apr 10, priced at $579 found 2 days ago
Delta
Sat, Dec 5 - Mon, Dec 7
BUF
Buffalo
YUL
Montreal
$579 Roundtrip, found 22 hours ago
$579
Roundtrip
found 22 hours ago
Select Delta flight, departing Sat, Dec 5 from Buffalo to Montreal, returning Mon, Dec 7, priced at $579 found 22 hours ago
Air Canada
Sat, Oct 3 - Sat, Oct 10
BUF
Buffalo
YUL
Montreal
$740 Roundtrip, just found
$740
Roundtrip
just found
Select Air Canada flight, departing Sat, Oct 3 from Buffalo to Montreal, returning Sat, Oct 10, priced at $740 just found
WestJet
Sat, Oct 3 - Sat, Oct 10
BUF
Buffalo
YUL
Montreal
$743 Roundtrip, just found
$743
Roundtrip
just found
Select WestJet flight, departing Sat, Oct 3 from Buffalo to Montreal, returning Sat, Oct 10, priced at $743 just found

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 $559
YUL
Pierre Elliott Trudeau Intl.
CheapestClosest
Average driving time to city center17 min
Flights from $559

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

February is typically the cheapest month to fly

From $345 - $853 per traveler.

What you need to know for your flight from Buffalo Niagara Intl. to Pierre Elliott Trudeau Intl.

Buffalo (BUF) to Montreal (YUL) at a glance

Travel from Buffalo (BUF) to Montreal (YUL) with multiple airlines offering options on this international short-haul route. Discover a range of flights from Buffalo, including both full-service and low-cost carriers, to help you select the best itinerary based on your budget and schedule. Whether you're planning a quick getaway or an extended stay, you can easily find the details for flights from Buffalo Niagara International Airport (BUF) to Pierre Elliott Trudeau International Airport (YUL) as you prepare to explore the vibrant sights and neighborhoods of Montreal.

  • Fastest flight duration: around 3 hours in-flight, plus roughly 1h 45m layover with one stop
  • Route distance: roughly 300 miles (485 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $135–$515, depending on seasonality and how far ahead you book

Flights from Buffalo Niagara International Airport (BUF) to Pierre Elliott Trudeau International Airport (YUL)

Recent traveler bookings highlight the top airlines flying from Buffalo to Montreal, known for their one-stop services. Popular layovers include LaGuardia Airport (LGA), typically with a 1 hour and 15-minute wait, Detroit Metropolitan Wayne County Airport (DTW) with around a 2 hour and 30-minute layover, and Washington Dulles International Airport (IAD) at about 1 hour and 30 minutes. These choices allow you to customize your itinerary by balancing price, total travel time, and cabin class.

  • Delta: This full-service airline provides one-stop options, commanding about 50% of all departures on this route. One-way ticket prices generally fall between $135 and $520, with an in-flight duration of 3 hours and an overall travel time of approximately 4 hours and 45 minutes, including layovers.
  • American Airlines: Another full-service option, American Airlines accounts for roughly 24% of flights on this route. One-way fares typically range from $135 to $440, featuring a flight time of 3 hours and a total journey time of around 4 hours and 45 minutes, factoring in layovers.
  • United: Offering one-stop services, United represents about 22% of departures. One-way fares generally span from $235 to $545, with an in-flight time of 3 hours and a complete travel duration of about 4 hours and 45 minutes, including any layover.

Alternative route from Buffalo (BUF) to Montreal (YUL)

  • Niagara Falls to Montreal (IAG-YUL): Located roughly 16 miles from Buffalo Niagara International Airport (BUF), Niagara Falls International Airport (IAG) offers convenient access to Montreal.

How to find the best prices for flights from Buffalo (BUF) to Montreal (YUL)

Getting some of the best deals on flights from Buffalo to Montreal is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Afternoon departures from 12pm to 6pm often offer lower prices, while morning flights from 5am to 12pm are the most popular. Additionally, flying on Friday typically provides cheaper rates, although Monday remains the most traveled day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Pierre Elliott Trudeau International Airport from Buffalo Niagara International Airport

Montreal welcomes travelers from Buffalo with a range of transport options based on price, convenience, and proximity. Montreal city center is approximately a 20-minute drive (covering about 13 miles) from Pierre Elliott Trudeau International Airport, depending on traffic. Here's how to reach Montreal efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Montreal, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Pierre Elliott Trudeau International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Pierre Elliott Trudeau International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Pierre Elliott Trudeau International Airport, several transport options are conveniently located nearby. Dorval Station, a train station, is about 0.9 miles from the airport by car, while Du Canal Station, a metro station, is approximately 5.9 miles away by car. For those heading to the waterfront, Dorval Seaport, a seaport, is situated around 5 miles from the airport by car.

Frequently asked questions

How much does a flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) cost?
You can find cheap one-way flights from $249 and cheap return flights from $564 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) with Expedia. One-way flights typically cost between $294 and $737, and return flights often range between $626 and $1874. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The cheapest month to fly from BUF to YUL is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Enter BUF to YUL and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
American Airlines is one of the cheapest airlines offering connecting flights from Buffalo, NY (BUF) to Montreal, QC (YUL), with round-trip tickets starting from around $445 with a layover in Ronald Reagan Washington National (DCA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
To find a cheap flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The earliest flight from Buffalo Niagara International Airport (BUF) to Pierre Elliott Trudeau International Airport (YUL) typically leaves at around 5:00 AM, operated by American Airlines. This seasonal service is active in November, allowing you to maximize your time in Montreal. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
The most popular departure times for flights from Buffalo, NY (BUF) to Montreal, QC (YUL) are in the early morning, from 6am to 9am. About 37% of passengers prefer this time window. Many major carriers, including Delta Air Lines, United Airlines, and Air Canada, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Montreal with plenty of time to explore.
How long does it take to fly from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Flying from BUF to YUL with a connection usually takes about 5 hours 50 minutes, traveling roughly 302 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
Business class seats are offered on the BUF to YUL route with United Airlines.First class is available with United Airlines and Delta Air Lines.
How do I earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight with Expedia?
It's easy to earn miles on a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Montreal from Buffalo Niagara Intl. (BUF)?
If you're planning to travel to Montreal from Buffalo Niagara Intl. (BUF), you can fly into Pierre Elliott Trudeau Intl. (YUL) Some flights may connect through major hubs like O'Hare Intl. (ORD), Washington Dulles Intl. (IAD), Liberty Intl. (EWR) before reaching Montreal. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) at the last minute?
Typically, booking a last minute flight from Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight and hotel package?
Securing a Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) Montreal Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.)?
If you booked your Buffalo, NY (BUF-Buffalo Niagara Intl.) to Montreal, QC (YUL-Pierre Elliott Trudeau Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Buffalo Niagara Intl.
Destination airport
Pierre Elliott Trudeau Intl.
Airlines serving
Air Canada, American Airlines, Delta, United, WestJet
Roundtrip price
$563
Distance
302 mi

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $249 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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