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Pierre Elliott Trudeau Intl

$168+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YUL
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Buffalo to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Pierre Elliott Trudeau Intl (YUL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$386
(Delta)

One-way from

$168
(Kiwi.com)

Popular in

June

Cheapest in

December

Average price

$469
From Buffalo to Montreal Pierre Elliott Trudeau Intl
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One-way flight from Buffalo to Montreal Pierre Elliott Trudeau Intl
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Highest demand for flights based on searches. 42% potential increase in price ($363 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:03 amBUF - YUL
1 stop7h 32mDelta
Fri 11/77:30 pmYUL - BUF
1 stop25h 37mDelta
Deal found 9/10$386
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:20 amBUF - YUL
1 stop9h 06mUnited Airlines
Wed 10/156:15 amYUL - BUF
1 stop14h 58mUnited Airlines
Deal found 9/10$542
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/119:45 pmBUF - YUL
2 stops20h 10mMultiple Airlines
Wed 10/156:40 pmYUL - BUF
1 stop16h 21mMultiple Airlines
Deal found 9/11$565
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:00 amBUF - YUL
1 stop7h 24mAmerican Airlines
Mon 10/205:24 pmYUL - BUF
1 stop17h 18mAmerican Airlines
Deal found 9/10$569
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:00 amBUF - YUL
1 stop8h 57mUnited Airlines
Sun 11/29:25 amYUL - BUF
1 stop24h 38mUnited Airlines
Deal found 9/11$574
This United deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:40 pmBUF - YUL
1 stop22h 17mMultiple Airlines
Wed 11/57:00 amYUL - BUF
1 stop15h 58mMultiple Airlines
Deal found 9/10$588
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:29 pmBUF - YUL
2 stops12h 01mMultiple Airlines
Fri 11/77:00 amYUL - BUF
1 stop6h 47mMultiple Airlines
Deal found 9/10$601
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/98:19 pmBUF - YUL
2 stops42h 01mMultiple Airlines
Thu 10/1612:36 pmYUL - BUF
1 stop5h 49mMultiple Airlines
Deal found 9/11$602
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/258:20 amBUF - YUL
1 stop10h 22mUnited Airlines
Sat 11/16:15 pmYUL - BUF
1 stop16h 48mUnited Airlines
Deal found 9/10$616

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Pierre Elliott Trudeau Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
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

Buffalo

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 10/31

6:03 am-1:35 pm

1 stop7h 32m

Montreal Pierre Elliott Trudeau Intl

Fri 11/7

7:30 pm-9:07 pm

1 stop25h 37m

$386

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 3/3

6:16 am-6:49 pm

1 stop12h 33m

Montreal Pierre Elliott Trudeau Intl

Wed 3/4

7:45 pm-9:45 am

1 stop14h 00m

$492

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 10/11

8:20 am-5:26 pm

1 stop9h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:15 am-9:13 pm

1 stop14h 58m

$542

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 10/11

9:45 pm-5:55 pm

2 stops20h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 10/15

6:40 pm-11:01 am

1 stop16h 21m

$565

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 10/26

7:00 am-3:57 pm

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 11/2

9:25 am-10:03 am

1 stop24h 38m

$574

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 11/3

5:40 pm-3:57 pm

1 stop22h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 11/5

7:00 am-10:58 pm

1 stop15h 58m

$588

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 10/31

12:29 pm-12:30 am

2 stops12h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 11/7

7:00 am-1:47 pm

1 stop6h 47m

$601

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 10/9

8:19 pm-2:20 pm

2 stops42h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 10/16

12:36 pm-6:25 pm

1 stop5h 49m

$602

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 10/25

8:20 am-6:42 pm

1 stop10h 22m

Montreal Pierre Elliott Trudeau Intl

Sat 11/1

6:15 pm-11:03 am

1 stop16h 48m

$616

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 10/25

1:02 pm-4:25 pm

2 stops27h 23m

$168

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
1
2

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

Get insights into the airlines that provide service to Pierre Elliott Trudeau Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Pierre Elliott Trudeau Intl. Reviews last updated September 11, 2025.
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
10,000 reviews

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Food

6.4

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
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Comfort

7.2

Crew

8.0

Overall

7.2

Food

6.4

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

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?

    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 7h 32m. Delta provides one of the quickest options available for as low as $386. The distance between Buffalo and Montreal Pierre Elliott Trudeau Intl Airport is about 302 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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. American Airlines is currently priced 30% below the average price you’ll pay for this route.

  • 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.

  • What is the cheapest month to book a flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport (average of $270). Flying from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport in July is currently the most expensive (average of $409). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Longueuil
Brossard
Sherbrooke
Dorval

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Alternative routes for Buffalo to Pierre Elliott Trudeau Intl

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Top airline flying from Buffalo to Pierre Elliott Trudeau Intl

Discover the top airline that operate flights from Buffalo to Pierre Elliott Trudeau Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$340Average$456FlexibilityNo cancel feeOn-time71%

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