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Cheap flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport from C$ 233

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YUL
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 535

One-way from

C$ 233

Popular in

June

Cheapest in

December

Average price

C$ 650
Delta
  • Delta
  • 31/10-7/11
  • 2 total stops
  • 33h 09m total
  • Buffalo to Montreal
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25/10
  • 25/10
  • 2 total stops
  • 27h 23m total
  • Buffalo to Montreal
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Highest demand for flights based on searches. 42% potential increase in price (C$ 695 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease (C$ 79 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 11 September 2025.

Fri 24/106:23 p.m.BUF - YUL
1 stop15h 27mAmerican Airlines
Fri 31/1010:30 a.m.YUL - BUF
1 stop7h 17mAmerican Airlines
Deal found 8/9C$ 511
Fri 31/106:03 a.m.BUF - YUL
1 stop7h 32mDelta
Fri 7/117:30 p.m.YUL - BUF
1 stop25h 37mDelta
Deal found 10/9C$ 535
Thu 23/106:23 p.m.BUF - YUL
1 stop15h 27mAmerican Airlines
Sun 26/105:24 p.m.YUL - BUF
1 stop17h 18mAmerican Airlines
Deal found 9/9C$ 560
Sat 11/108:20 a.m.BUF - YUL
1 stop9h 06mUnited Airlines
Wed 15/106:15 a.m.YUL - BUF
1 stop14h 58mUnited Airlines
Deal found 10/9C$ 751
Tue 16/96:00 a.m.BUF - YUL
1 stop27h 58mAmerican Airlines
Tue 23/910:38 a.m.YUL - BUF
2 stops13h 17mAmerican Airlines
Deal found 9/9C$ 758
Sat 11/109:45 p.m.BUF - YUL
2 stops20h 10mMultiple Airlines
Wed 15/106:40 p.m.YUL - BUF
1 stop16h 21mMultiple Airlines
Deal found 10/9C$ 786
Mon 20/108:00 a.m.BUF - YUL
1 stop7h 24mAmerican Airlines
Mon 20/105:24 p.m.YUL - BUF
1 stop17h 18mAmerican Airlines
Deal found 10/9C$ 788
Sun 26/107:00 a.m.BUF - YUL
1 stop8h 57mUnited Airlines
Sun 2/119:25 a.m.YUL - BUF
1 stop24h 38mUnited Airlines
Deal found 11/9C$ 795

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 629,999 searches. Data last updated 11 September 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 31/10

6:03 a.m.-1:35 p.m.

1 stop7h 32m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

7:30 p.m.-9:07 p.m.

1 stop25h 37m

C$ 535

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 3/3

6:16 a.m.-6:49 p.m.

1 stop12h 33m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

7:45 p.m.-9:45 a.m.

1 stop14h 00m

C$ 682

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 11/10

8:20 a.m.-5:26 p.m.

1 stop9h 06m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

6:15 a.m.-9:13 p.m.

1 stop14h 58m

C$ 751

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 11/10

9:45 p.m.-5:55 p.m.

2 stops20h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 15/10

6:40 p.m.-11:01 a.m.

1 stop16h 21m

C$ 783

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 26/10

7:00 a.m.-3:57 p.m.

1 stop8h 57m

Montreal Pierre Elliott Trudeau Intl

Sun 2/11

9:25 a.m.-10:03 a.m.

1 stop24h 38m

C$ 795

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 3/11

5:40 p.m.-3:57 p.m.

1 stop22h 17m

Montreal Pierre Elliott Trudeau Intl

Wed 5/11

7:00 a.m.-10:58 p.m.

1 stop15h 58m

C$ 815

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 31/10

12:29 p.m.-12:30 a.m.

2 stops12h 01m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

7:00 a.m.-1:47 p.m.

1 stop6h 47m

C$ 833

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 9/10

8:19 p.m.-2:20 p.m.

2 stops42h 01m

Montreal Pierre Elliott Trudeau Intl

Thu 16/10

12:36 p.m.-6:25 p.m.

1 stop5h 49m

C$ 834

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 25/10

8:20 a.m.-6:42 p.m.

1 stop10h 22m

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

6:15 p.m.-11:03 a.m.

1 stop16h 48m

C$ 854

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 25/10

1:02 p.m.-4:25 p.m.

2 stops27h 23m

C$ 233

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
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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.

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 13.4 km from the city centre, is the airport you fly out of when you book flights from Buffalo to Montreal Pierre Elliott Trudeau Intl. 0 airlines 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?

    Delta and United Airlines can get you from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport in just under 7h 32m. Your travel time can differ by up to 1h 34m. There are 486 km between Buffalo and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • 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, October is the cheapest month in which you can book a flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport (average of C$ 241). Flying from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport in April is currently the most expensive (average of C$ 317). 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

Travelling 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
Dorval
Sherbrooke
Cornwall
Brossard
Longueuil
Montebello
Trois-Rivières
Drummondville
Saint-Jean-sur-Richelieu
Boucherville
Bromont
North Hatley
Louiseville

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Alternative routes for Buffalo to Pierre Elliott Trudeau Intl

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Can Cheapflights notify me if prices for flights from Buffalo to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Buffalo today and book when prices fit your budget.

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