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Cheap flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport from C$ 319

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YUL
26 Aug — 2 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

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 27 July 2026.

Tue 18/812:16 p.m.
BUF
-
YUL
1 stop11h 36m
WestJet
Thu 20/86:51 p.m.
YUL
-
BUF
1 stop24h 04m
WestJet
Deal found 23/7C$ 711
Wed 9/911:06 a.m.
BUF
-
YUL
2 stops19h 59m
WestJet
Sun 13/96:47 p.m.
YUL
-
BUF
1 stop23h 05m
WestJet
Deal found 26/7C$ 716
Fri 28/87:52 p.m.
BUF
-
YUL
2 stops20h 53m
WestJet
Mon 31/88:00 p.m.
YUL
-
BUF
2 stops15h 08m
WestJet
Deal found 27/7C$ 718
Mon 24/812:16 p.m.
BUF
-
YUL
1 stop11h 36m
WestJet
Mon 31/87:00 a.m.
YUL
-
BUF
1 stop16h 59m
WestJet
Deal found 27/7C$ 726
Wed 19/86:27 a.m.
BUF
-
YUL
1 stop5h 29m
WestJet
Sun 23/86:45 a.m.
YUL
-
BUF
2 stops17h 13m
WestJet
Deal found 23/7C$ 728
Mon 31/85:45 p.m.
BUF
-
YUL
1 stop16h 01m
American Airlines
Wed 2/91:07 p.m.
YUL
-
BUF
1 stop3h 49m
American Airlines
Deal found 27/7C$ 733
Mon 7/93:54 p.m.
BUF
-
YUL
2 stops15h 11m
WestJet
Mon 14/98:00 p.m.
YUL
-
BUF
2 stops15h 10m
WestJet
Deal found 25/7C$ 747
Mon 31/87:00 a.m.
BUF
-
YUL
2 stops16h 52m
Delta
Wed 2/99:30 a.m.
YUL
-
BUF
1 stop4h 17m
Delta
Deal found 27/7C$ 750
Wed 19/82:53 p.m.
BUF
-
YUL
1 stop4h 52m
United Airlines
Sun 23/89:15 a.m.
YUL
-
BUF
1 stop5h 03m
United Airlines
Deal found 25/7C$ 757
Fri 7/86:27 a.m.
BUF
-
YUL
2 stops10h 18m
WestJet
Sun 9/85:45 p.m.
YUL
-
BUF
2 stops30h 14m
WestJet
Deal found 23/7C$ 762

Find 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 27 July 2026.

Round-trip from

C$ 711

One-way from

C$ 319
WestJet
  • WestJet
  • 18/8-20/8
  • 2 total stops
  • 35h 40m total
  • Buffalo to Montreal
Search Deals
19/8
  • 19/8
  • 3 total stops
  • 24h 34m total
  • Buffalo to Montreal
Search Deals

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 27 July 2026.
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

Cheapest round-trip

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 7/9

12:16 p.m.-11:52 p.m.

1 stop11h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

8:00 p.m.-11:10 a.m.

2 stops15h 10m

C$ 716

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 9/9

11:06 a.m.-7:05 a.m.

2 stops19h 59m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

6:47 p.m.-5:52 p.m.

1 stop23h 05m

C$ 716

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 24/8

12:16 p.m.-11:52 p.m.

1 stop11h 36m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

7:00 a.m.-11:59 p.m.

1 stop16h 59m

C$ 726

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 1/9

10:30 a.m.-2:40 p.m.

1 stop4h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

9:45 a.m.-4:56 p.m.

1 stop7h 11m

C$ 728

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 31/8

7:00 a.m.-11:52 p.m.

2 stops16h 52m

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

9:30 a.m.-1:47 p.m.

1 stop4h 17m

C$ 750

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 14/9

5:58 p.m.-9:49 a.m.

1 stop15h 51m

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

10:30 a.m.-5:28 p.m.

1 stop6h 58m

C$ 752
Quickest round-trip

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 9/9

10:33 a.m.-2:40 p.m.

1 stop4h 07m

Montreal Pierre Elliott Trudeau Intl

Sun 13/9

9:15 a.m.-2:18 p.m.

1 stop5h 03m

C$ 757

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 19/8

2:53 p.m.-7:45 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

9:15 a.m.-2:18 p.m.

1 stop5h 03m

C$ 757

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 1/9

10:30 a.m.-5:30 p.m.

1 stop7h 00m

Montreal Pierre Elliott Trudeau Intl

Thu 3/9

9:45 a.m.-4:56 p.m.

1 stop7h 11m

C$ 757

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 24/8

2:53 p.m.-7:45 p.m.

1 stop4h 52m

Montreal Pierre Elliott Trudeau Intl

Mon 31/8

9:45 a.m.-4:56 p.m.

1 stop7h 11m

C$ 767

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 21 resultsSorted by cheapest first
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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?

    WestJet, United Airlines, and Delta can get you from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport in just under 4h 10m. Your travel time can differ by up to 12h 42m. 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.

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

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Yes, we can. To see specific flights from Buffalo to Pierre Elliott Trudeau Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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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