What are the cheapest airlines to fly from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $182. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport for a low price.

In terms of precipitation, rainfall in Montreal Pierre Elliott Trudeau Intl Airport ranges from 2.5 - 4.4 inches per month. August is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Montreal Pierre Elliott Trudeau Intl Airport when rainfall is around 2.5 in.

If weather is an important factor for your trip to Montreal Pierre Elliott Trudeau Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 15.8 F).

What is the cheapest time of day to fly from BUF to YUL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport as you normally would.

Most accurate provider : When it comes to deals on Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Buffalo to Montreal Pierre Elliott Trudeau Intl?

Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Buffalo to Montreal Pierre Elliott Trudeau Intl. 1 airline have flights from Buffalo to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Buffalo to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

How can I find direct flights from Buffalo to Pierre Elliott Trudeau Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Pierre Elliott Trudeau Intl.

Can I find deals for business class flights from Buffalo to Pierre Elliott Trudeau Intl?

Yes. Cheapflights offers flight deals from Buffalo to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$182+ Flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Buffalo to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Buffalo to Pierre Elliott Trudeau Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$407 (Kiwi.com)
One-way from	$182 (American Airlines)

Provider with most accurate pricing for Buffalo-Montreal Pierre Elliott Trudeau Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buffalo-Montreal Pierre Elliott Trudeau Intl flights.

Search Deals

From Buffalo to Montreal Pierre Elliott Trudeau Intl

Search Deals

One-way flight from Buffalo to Montreal Pierre Elliott Trudeau Intl

Search Deals

Find flight deals from Buffalo to Pierre Elliott Trudeau Intl

Cheapest flights from Buffalo to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Buffalo to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Tue 12/231:47 pmBUF - YUL

1 stop10h 43mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/25

$407

Tue 12/231:47 pmBUF - YUL

1 stop10h 43mMultiple Airlines

Sun 12/284:35 pmYUL - BUF

1 stop28h 33mMultiple Airlines

Deal found 10/25

$434

Wed 12/1010:27 amBUF - YUL

1 stop8h 27mDelta

Wed 12/172:37 pmYUL - BUF

1 stop8h 25mDelta

Deal found 10/27

$451

Tue 12/231:47 pmBUF - YUL

1 stop10h 43mMultiple Airlines

Tue 12/304:35 pmYUL - BUF

1 stop28h 05mMultiple Airlines

Deal found 10/25

$473

Fri 12/1212:37 pmBUF - YUL

2 stops31h 07mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/26

$484

Wed 12/245:44 pmBUF - YUL

2 stops22h 39mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/25

$493

Mon 12/225:40 pmBUF - YUL

2 stops22h 43mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/25

$495

Mon 12/2210:43 amBUF - YUL

1 stop13h 47mMultiple Airlines

Sun 12/284:35 pmYUL - BUF

1 stop28h 33mMultiple Airlines

Deal found 10/25

$530

Best flights from Buffalo to Pierre Elliott Trudeau Intl
Discover carefully curated flight deals from Buffalo to Pierre Elliott Trudeau Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 27, 2025.

Tue 12/231:47 pmBUF - YUL

1 stop10h 43mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/25

$407

Wed 12/1010:27 amBUF - YUL

1 stop8h 27mDelta

Wed 12/172:37 pmYUL - BUF

1 stop8h 25mDelta

Deal found 10/26

$451

Fri 2/277:00 amBUF - YUL

2 stops14h 16mUnited Airlines

Mon 3/26:15 pmYUL - BUF

1 stop26h 46mUnited Airlines

Deal found 10/26

$582

Tue 12/231:47 pmBUF - YUL

1 stop10h 43mMultiple Airlines

Sun 12/284:35 pmYUL - BUF

1 stop28h 33mMultiple Airlines

Deal found 10/25

$434

Mon 12/225:40 pmBUF - YUL

2 stops22h 43mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/25

$495

Thu 12/252:07 pmBUF - YUL

1 stop10h 23mMultiple Airlines

Mon 12/294:35 pmYUL - BUF

1 stop20h 17mMultiple Airlines

Deal found 10/25

$547

Tue 12/231:47 pmBUF - YUL

1 stop10h 43mMultiple Airlines

Fri 12/264:35 pmYUL - BUF

1 stop28h 15mMultiple Airlines

Deal found 10/25

$552

Wed 12/245:44 pmBUF - YUL

2 stops22h 39mMultiple Airlines

Tue 12/304:35 pmYUL - BUF

1 stop28h 05mMultiple Airlines

Deal found 10/25

$558

Thu 12/252:07 pmBUF - YUL

1 stop10h 23mMultiple Airlines

Sun 12/284:35 pmYUL - BUF

1 stop28h 33mMultiple Airlines

Deal found 10/25

$574

Wed 12/1012:10 pmBUF - YUL

2 stops18h 55mMultiple Airlines

Wed 12/174:35 pmYUL - BUF

1 stop20h 37mMultiple Airlines

Deal found 10/26

$576

Last-minute flights from Buffalo to Pierre Elliott Trudeau Intl
Discover last-minute flight deals from Buffalo to Pierre Elliott Trudeau Intl. Data last updated October 27, 2025 and is based on user searches.

Mon 11/106:00 amBUF - YUL

1 stop7h 28mMultiple Airlines

Thu 11/133:00 pmYUL - BUF

1 stop7h 58mMultiple Airlines

Deal found 10/27

$620

Tue 11/117:22 pmBUF - YUL

2 stops16h 08mMultiple Airlines

Wed 11/123:00 pmYUL - BUF

1 stop7h 58mMultiple Airlines

Deal found 10/27

$603

Tue 11/116:00 amBUF - YUL

1 stop7h 39mDelta

Wed 11/122:29 pmYUL - BUF

1 stop8h 32mDelta

Deal found 10/27

$606

Thu 11/132:50 pmBUF - YUL

1 stop17h 46mDelta

Sat 11/152:29 pmYUL - BUF

1 stop6h 21mDelta

Deal found 10/25

$632

Sat 11/2211:47 amBUF - YUL

2 stops28h 38mMultiple Airlines

Sat 11/294:35 pmYUL - BUF

1 stop18h 50mMultiple Airlines

Deal found 10/25

$651

Sat 11/2210:36 amBUF - YUL

1 stop24h 54mUnited Airlines

Sat 11/296:00 amYUL - BUF

1 stop10h 48mUnited Airlines

Deal found 10/25

$716

Fri 11/2811:52 amBUF - YUL

2 stops12h 51mMultiple Airlines

Sun 11/304:35 pmYUL - BUF

1 stop23h 45mMultiple Airlines

Deal found 10/26

$596

Fri 11/2812:05 pmBUF - YUL

1 stop11h 54mWestJet

Sun 11/306:26 pmYUL - BUF

1 stop16h 34mWestJet

Deal found 10/26

$693

One-way flights from Buffalo to Pierre Elliott Trudeau Intl
Search for one-way flight options from Buffalo to Pierre Elliott Trudeau Intl. Find affordable one-way fares based on user searches. Data last updated October 27, 2025.

Tue 1/206:00 amBUF - YUL

1 stop9h 08mAmerican Airlines

Deal found 10/27

$182

Tue 12/96:00 amBUF - YUL

1 stop7h 47mDelta

Deal found 10/24

$187

Tue 1/201:59 pmBUF - YUL

2 stops22h 07mUnited Airlines

Deal found 10/27

$247

Tue 12/95:40 pmBUF - YUL

2 stops24h 01mUnited Airlines

Deal found 10/24

$273

Wed 12/105:40 pmBUF - YUL

2 stops13h 52mUnited Airlines

Deal found 10/26

$294

Tue 12/912:10 pmBUF - YUL

3 stops42h 55mMultiple Airlines

Deal found 10/24

$345

Sun 11/236:10 amBUF - YUL

1 stop11h 11mWestJet

Deal found 10/24

$363

Sat 11/86:03 amBUF - YUL

1 stop7h 32mDelta

Deal found 10/26

$398

Sat 11/85:40 pmBUF - YUL

2 stops19h 06mUnited Airlines

Deal found 10/26

$601

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 12/23

1:47 pm-12:30 am

1 stop10h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 12/29

4:35 pm-12:52 pm

1 stop20h 17m

$407

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 12/23

1:47 pm-12:30 am

1 stop10h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 12/28

4:35 pm-9:08 pm

1 stop28h 33m

$434

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 12/10

10:27 am-6:54 pm

1 stop8h 27m

Montreal Pierre Elliott Trudeau Intl

Wed 12/17

2:37 pm-11:02 pm

1 stop8h 25m

$451

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 12/22

5:40 pm-4:23 pm

2 stops22h 43m

Montreal Pierre Elliott Trudeau Intl

Mon 12/29

4:35 pm-12:52 pm

1 stop20h 17m

$495

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 12/25

2:07 pm-12:30 am

1 stop10h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 12/29

4:35 pm-12:52 pm

1 stop20h 17m

$547

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 12/23

1:47 pm-12:30 am

1 stop10h 43m

Montreal Pierre Elliott Trudeau Intl

Fri 12/26

4:35 pm-8:50 pm

1 stop28h 15m

$552

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 12/24

5:44 pm-4:23 pm

2 stops22h 39m

Montreal Pierre Elliott Trudeau Intl

Tue 12/30

4:35 pm-8:40 pm

1 stop28h 05m

$558

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 12/25

2:07 pm-12:30 am

1 stop10h 23m

Montreal Pierre Elliott Trudeau Intl

Sun 12/28

4:35 pm-9:08 pm

1 stop28h 33m

$574

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 12/10

12:10 pm-7:05 am

2 stops18h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 12/17

4:35 pm-1:12 pm

1 stop20h 37m

$576

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 2/27

7:00 am-9:16 pm

2 stops14h 16m

Montreal Pierre Elliott Trudeau Intl

Mon 3/2

6:15 pm-9:01 pm

1 stop26h 46m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 18 results

Compare providers for flights from Buffalo to Pierre Elliott Trudeau Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Pierre Elliott Trudeau Intl in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buffalo-Montreal Pierre Elliott Trudeau Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buffalo to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Buffalo with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

See what other customers who have flown with American Airlines from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

American Airlines

7.2

Good

11,033 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

American Airlines

7.2

Good

11,033 reviews

American Airlines

7.2

Good

11,033 reviews

Reviews

1 / 20

2.0

Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

What airport do you fly from for flights from Buffalo to Montreal Pierre Elliott Trudeau Intl?
Buffalo (BUF), located 8.3 mi from the city center, is the airport you fly out of when you book flights from Buffalo to Montreal Pierre Elliott Trudeau Intl. 1 airline have flights from Buffalo to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Buffalo to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.
How long is the flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport?
A quick flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport can take about 8h 27m. Delta provides one of the quickest options available for as low as $451. The distance between Buffalo and Montreal Pierre Elliott Trudeau Intl Airport is about 302 mi.
What is the cheapest airline to fly from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport round-trip?
Cheapflights users have booked flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport round-trip from $340.
What are the cheapest airlines to fly from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport one-way?
The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $182. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport for a low price.
Can I find deals for flights from Buffalo to Pierre Elliott Trudeau Intl that include hotel bookings?
Yes. In addition to deals on Buffalo to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buffalo to Pierre Elliott Trudeau Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Pierre Elliott Trudeau Intl.
Can I find deals for business class flights from Buffalo to Pierre Elliott Trudeau Intl?
Yes. Cheapflights offers flight deals from Buffalo to Pierre Elliott Trudeau Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Laval

Longueuil

Brossard

Dorval

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Buffalo to Pierre Elliott Trudeau Intl

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$340	Average$456	FlexibilityNo cancel fee	On-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$182+ Cheap flights from Buffalo (BUF) to Pierre Elliott Trudeau Intl (YUL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buffalo to Pierre Elliott Trudeau Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Buffalo to Pierre Elliott Trudeau Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Find flight deals from Buffalo to Pierre Elliott Trudeau Intl

Cheapest flights from Buffalo to Pierre Elliott Trudeau IntlExplore the most affordable flight options available from Buffalo to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Explore the most affordable flight options available from Buffalo to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Compare providers for flights from Buffalo to Pierre Elliott Trudeau Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buffalo to Pierre Elliott Trudeau Intl in October.

Best time to book a flight from Buffalo to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Buffalo with our price prediction graph.

Reviews of airlines servicing Pierre Elliott Trudeau Intl

See what other customers who have flown with American Airlines from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Buffalo to Pierre Elliott Trudeau Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Buffalo to Montreal Pierre Elliott Trudeau Intl?

How long is the flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport?

What is the cheapest airline to fly from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

What are the cheapest airlines to fly from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport one-way?

Can I find deals for flights from Buffalo to Pierre Elliott Trudeau Intl that include hotel bookings?

How can I find direct flights from Buffalo to Pierre Elliott Trudeau Intl?

Can I find deals for business class flights from Buffalo to Pierre Elliott Trudeau Intl?

Traveling to a place near Montreal Pierre Elliott Trudeau Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Buffalo to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Buffalo to Pierre Elliott Trudeau Intl

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Buffalo to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Buffalo to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.