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Cheap flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport from C$ 226

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YUL
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 510

One-way from

C$ 226

Popular in

June

Cheapest in

December

Average price

C$ 715
12/9-19/9
  • 12/9-19/9
  • 3 total stops
  • 30h 50m total
  • Buffalo to Montreal
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12/9
  • 12/9
  • 1 total stop
  • 19h 21m total
  • Buffalo to Montreal
Search Deals
Highest demand for flights based on searches. 33% potential increase in price (C$ 471 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease (C$ 70 potential savings vs. average RT price).
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Average for round-trip flights in July 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 29 July 2025.

Fri 12/96:59 p.m.BUF - YUL
1 stop19h 21mMultiple Airlines
Fri 19/96:45 a.m.YUL - BUF
2 stops11h 29mMultiple Airlines
Deal found 28/7C$ 510
Tue 26/86:25 a.m.BUF - YUL
1 stop10h 17mAmerican Airlines
Tue 2/95:29 p.m.YUL - BUF
1 stop19h 01mAmerican Airlines
Deal found 27/7C$ 576
Thu 2/102:30 p.m.BUF - YUL
1 stop7h 27mDelta
Sun 5/104:55 p.m.YUL - BUF
1 stop6h 21mDelta
Deal found 27/7C$ 819
Wed 10/910:55 a.m.BUF - YUL
1 stop10h 34mUnited Airlines
Wed 17/98:20 a.m.YUL - BUF
1 stop8h 32mUnited Airlines
Deal found 27/7C$ 826
Tue 26/86:20 a.m.BUF - YUL
1 stop5h 38mWestJet
Tue 2/96:45 a.m.YUL - BUF
2 stops17h 12mWestJet
Deal found 27/7C$ 1,033
Thu 25/95:55 p.m.BUF - YUL
2 stops7h 55mAir Canada
Wed 8/109:15 a.m.YUL - BUF
2 stops11h 58mAir Canada
Deal found 27/7C$ 1,482

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 29 July 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 12/9

6:59 p.m.-2:20 p.m.

1 stop19h 21m

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

6:45 a.m.-6:14 p.m.

2 stops11h 29m

C$ 510

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 26/8

6:25 a.m.-4:42 p.m.

1 stop10h 17m

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

5:29 p.m.-12:30 p.m.

1 stop19h 01m

C$ 576

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 2/10

2:30 p.m.-9:57 p.m.

1 stop7h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

4:55 p.m.-11:16 p.m.

1 stop6h 21m

C$ 819

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 10/9

10:55 a.m.-9:29 p.m.

1 stop10h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 17/9

8:20 a.m.-4:52 p.m.

1 stop8h 32m

C$ 826

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 26/8

6:20 a.m.-11:58 a.m.

1 stop5h 38m

Montreal Pierre Elliott Trudeau Intl

Tue 2/9

6:45 a.m.-11:57 p.m.

2 stops17h 12m

C$ 1,033

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 25/9

5:55 p.m.-1:50 a.m.

2 stops7h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 8/10

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

2 stops11h 58m

C$ 1,482

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 12/9

6:59 p.m.-2:20 p.m.

1 stop19h 21m

C$ 226

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 13/9

6:03 a.m.-7:25 p.m.

1 stop13h 22m

C$ 241

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 20/9

6:50 p.m.-11:46 a.m.

2 stops16h 56m

C$ 306

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 13/9

8:00 p.m.-10:09 a.m.

2 stops14h 09m

C$ 364

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 11 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 29 July 2025.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Delta
8.0
Very good
7,979 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
WestJet
7.2
Good
2,972 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.
Air Canada
7.1
Good
9,826 reviews
Delta
8.0
Very good
7,979 reviews
Check prices

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kymberlee,Oct 2024

JFK - ATL

Overall it was good on the flight. Before the flight with checking the bag at JFK was a nightmare. It took way too long and the Delta concierge was very rude to everyone. But other than that it was fine.

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.

  • What are the cheapest airlines flying from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport round-trip?

    Flying on American Airlines is currently your cheapest option to Montreal Pierre Elliott Trudeau Intl Airport, with prices starting at C$ 576. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at C$ 819 and C$ 826, respectively. Users have found that American Airlines is 14% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as C$ 241. Users have also found prices from C$ 306 and C$ 364 on American Airlines and United Airlines, respectively.

  • 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$ 316). 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
Longueuil
Sherbrooke
Cornwall
Brossard
Dorval
Montebello
Drummondville
Trois-Rivières
Saint-Jean-sur-Richelieu
Boucherville
Saint-Sauveur
Bromont
North Hatley
Louiseville

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Alternative routes for Buffalo to Pierre Elliott Trudeau Intl

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