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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo from C$ 318

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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUF
24 Aug — 31 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Buffalo

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Buffalo
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Buffalo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 July 2026.

Tue 11/87:55 a.m.
YUL
-
BUF
1 stop16h 01m
American Airlines
Fri 14/85:45 p.m.
BUF
-
YUL
1 stop16h 01m
American Airlines
Deal found 20/7C$ 568
Sat 29/89:15 a.m.
YUL
-
BUF
1 stop5h 03m
United Airlines
Wed 2/910:30 a.m.
BUF
-
YUL
1 stop7h 00m
United Airlines
Deal found 24/7C$ 575
Fri 16/108:00 p.m.
YUL
-
BUF
2 stops15h 16m
WestJet
Sun 18/1012:00 p.m.
BUF
-
YUL
1 stop11h 27m
WestJet
Deal found 24/7C$ 581
Wed 26/87:15 a.m.
YUL
-
BUF
2 stops16h 44m
WestJet
Fri 28/812:16 p.m.
BUF
-
YUL
1 stop11h 36m
WestJet
Deal found 21/7C$ 583
Sat 22/87:00 a.m.
YUL
-
BUF
1 stop28h 08m
WestJet
Mon 31/86:40 a.m.
BUF
-
YUL
1 stop16h 50m
WestJet
Deal found 22/7C$ 585
Tue 8/96:45 a.m.
YUL
-
BUF
2 stops15h 50m
WestJet
Tue 15/96:20 a.m.
BUF
-
YUL
1 stop17h 07m
WestJet
Deal found 25/7C$ 590
Fri 7/85:10 p.m.
YUL
-
BUF
1 stop6h 48m
WestJet
Tue 11/812:16 p.m.
BUF
-
YUL
1 stop5h 30m
WestJet
Deal found 23/7C$ 596
Sat 5/98:00 p.m.
YUL
-
BUF
2 stops15h 08m
WestJet
Sat 12/912:02 p.m.
BUF
-
YUL
1 stop11h 25m
WestJet
Deal found 22/7C$ 597
Thu 20/88:00 p.m.
YUL
-
BUF
2 stops15h 08m
WestJet
Wed 26/87:52 p.m.
BUF
-
YUL
1 stop27h 48m
WestJet
Deal found 22/7C$ 600

Find flight deals from Pierre Elliott Trudeau Intl to Buffalo

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Buffalo (BUF). 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 25 July 2026.

Round-trip from

C$ 564

One-way from

C$ 318
Lufthansa
  • Lufthansa
  • 22/8-29/8
  • 2 total stops
  • 9h 32m total
  • Montreal to Buffalo
Search Deals
Delta
  • Delta
  • 12/8
  • 1 total stop
  • 4h 17m total
  • Montreal to Buffalo
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Buffalo 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 25 July 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

7:55 a.m.-11:56 p.m.

1 stop16h 01m

Buffalo

Fri 14/8

5:45 p.m.-9:46 a.m.

1 stop16h 01m

C$ 568

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

9:45 a.m.-4:55 p.m.

1 stop7h 10m

Buffalo

Tue 15/9

7:00 a.m.-5:30 p.m.

1 stop10h 30m

C$ 575

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

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

1 stop5h 03m

Buffalo

Wed 2/9

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

1 stop7h 00m

C$ 575

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

6:45 a.m.-10:35 p.m.

2 stops15h 50m

Buffalo

Tue 15/9

6:20 a.m.-11:27 p.m.

1 stop17h 07m

C$ 590

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 4/9

7:00 a.m.-6:55 p.m.

1 stop11h 55m

Buffalo

Fri 11/9

12:17 p.m.-11:50 p.m.

1 stop11h 33m

C$ 630

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 29/8

6:00 a.m.-3:14 p.m.

1 stop9h 14m

Buffalo

Wed 2/9

2:27 p.m.-6:54 p.m.

1 stop4h 27m

C$ 634
Quickest round-trip

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Wed 2/9

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

1 stop4h 17m

Buffalo

Sat 5/9

3:54 p.m.-11:30 p.m.

1 stop7h 36m

C$ 634

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 11/8

6:45 a.m.-11:58 p.m.

2 stops17h 13m

Buffalo

Fri 14/8

12:02 p.m.-4:45 p.m.

2 stops28h 43m

C$ 652

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

6:51 p.m.-11:59 p.m.

1 stop29h 08m

Buffalo

Sun 16/8

7:52 p.m.-11:40 p.m.

1 stop27h 48m

C$ 657

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 19/9

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

1 stop5h 03m

Buffalo

Mon 21/9

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

1 stop7h 00m

C$ 661

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Pierre Elliott Trudeau Intl to Buffalo

Have a flexible travel schedule? Discover the best time to fly to Buffalo from Pierre Elliott Trudeau Intl 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 Pierre Elliott Trudeau Intl to Buffalo. 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 into for flights to Buffalo from Montreal Pierre Elliott Trudeau Intl?

    Most people fly into Buffalo (BUF) if they book a flight to Buffalo from Montreal Pierre Elliott Trudeau Intl. On average, Buffalo has 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day from 0 airlines. Buffalo is conveniently located just 13.4 km from Buffalo’s city centre.

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

    Airlines like American Airlines, United Airlines, and WestJet fly from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo in about 7h 10m. The time it takes to get you to your destination can typically vary by up to 8h 51m. There are 486 km between Montreal Pierre Elliott Trudeau Intl Airport and Buffalo. Both multi-stop and direct flights can be found to your destination and back.

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

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Buffalo flights, Cheapflights offers vacation packages that include both flights and hotel.

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

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

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Buffalo 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 Buffalo?

Book flights to Buffalo if you plan to visit one of these locations
Batavia
Cheektowaga
Amherst
Williamsville

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Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Buffalo with no change fees?

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