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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo from C$ 327

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUF
12 Jul — 19 Jul1
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 12 June 2026.

Wed 22/76:30 p.m.
YUL
-
BUF
1 stop15h 30m
Air Canada
Wed 29/710:57 a.m.
BUF
-
YUL
1 stop6h 33m
Air Canada
Deal found 8/6C$ 575
Sat 15/88:40 a.m.
YUL
-
BUF
1 stop8h 16m
United Airlines
Wed 19/86:55 a.m.
BUF
-
YUL
1 stop5h 05m
United Airlines
Deal found 8/6C$ 617
Sat 4/76:10 a.m.
YUL
-
BUF
1 stop10h 31m
United Airlines
Sat 11/710:57 a.m.
BUF
-
YUL
1 stop6h 33m
United Airlines
Deal found 9/6C$ 619
Sat 4/79:45 a.m.
YUL
-
BUF
1 stop6h 56m
Lufthansa
Sat 11/710:57 a.m.
BUF
-
YUL
1 stop6h 33m
Lufthansa
Deal found 8/6C$ 640
Tue 18/87:55 a.m.
YUL
-
BUF
1 stop4h 43m
American Airlines
Sun 23/86:00 a.m.
BUF
-
YUL
1 stop6h 27m
American Airlines
Deal found 7/6C$ 645
Mon 26/106:10 a.m.
YUL
-
BUF
1 stop14h 21m
United Airlines
Tue 27/106:00 a.m.
BUF
-
YUL
1 stop10h 21m
United Airlines
Deal found 11/6C$ 648
Tue 18/82:29 p.m.
YUL
-
BUF
1 stop9h 00m
Delta
Sun 23/88:57 a.m.
BUF
-
YUL
1 stop7h 23m
Delta
Deal found 10/6C$ 651
Tue 21/710:30 a.m.
YUL
-
BUF
1 stop10h 37m
American Airlines
Thu 23/76:00 a.m.
BUF
-
YUL
1 stop3h 48m
American Airlines
Deal found 12/6C$ 656
Tue 18/87:55 a.m.
YUL
-
BUF
1 stop4h 43m
British Airways
Sun 23/86:00 a.m.
BUF
-
YUL
2 stops9h 29m
British Airways
Deal found 7/6C$ 683
Thu 20/84:15 p.m.
YUL
-
BUF
1 stop7h 41m
American Airlines
Mon 24/85:45 p.m.
BUF
-
YUL
1 stop16h 01m
American Airlines
Deal found 7/6C$ 687

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 12 June 2026.

Round-trip from

C$ 575

One-way from

C$ 327
Air Canada
  • Air Canada
  • 22/7-29/7
  • 2 total stops
  • 22h 03m total
  • Montreal to Buffalo
Search Deals
Delta
  • Delta
  • 11/7
  • 1 total stop
  • 23h 44m 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 12 June 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

Sat 15/8

8:40 a.m.-4:56 p.m.

1 stop8h 16m

Buffalo

Wed 19/8

6:55 a.m.-12:00 p.m.

1 stop5h 05m

C$ 617

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

6:10 a.m.-8:31 p.m.

1 stop14h 21m

Buffalo

Tue 27/10

6:00 a.m.-4:21 p.m.

1 stop10h 21m

C$ 648

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 18/8

2:29 p.m.-11:29 p.m.

1 stop9h 00m

Buffalo

Sun 23/8

8:57 a.m.-4:20 p.m.

1 stop7h 23m

C$ 651

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 20/8

4:15 p.m.-11:56 p.m.

1 stop7h 41m

Buffalo

Mon 24/8

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

1 stop16h 01m

C$ 687

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

9:15 a.m.-11:59 p.m.

1 stop14h 44m

Buffalo

Wed 29/7

10:57 a.m.-5:30 p.m.

1 stop6h 33m

C$ 691

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 15/8

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

1 stop9h 14m

Buffalo

Wed 19/8

6:01 a.m.-6:54 p.m.

1 stop12h 53m

C$ 703

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 20/7

6:00 a.m.-3:13 p.m.

1 stop9h 13m

Buffalo

Wed 22/7

6:05 a.m.-1:39 p.m.

1 stop7h 34m

C$ 717

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 29/6

6:10 a.m.-9:03 p.m.

1 stop14h 53m

Buffalo

Mon 6/7

10:34 a.m.-4:10 p.m.

1 stop5h 36m

C$ 735
Quickest round-trip

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 16/7

6:00 a.m.-9:53 a.m.

1 stop3h 53m

Buffalo

Thu 23/7

10:57 a.m.-5:30 p.m.

1 stop6h 33m

C$ 735

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 6/7

7:00 a.m.-11:32 p.m.

2 stops16h 32m

Buffalo

Mon 13/7

10:21 a.m.-8:32 a.m.

1 stop22h 11m

C$ 739

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/6

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 United Airlines, Delta, and American Airlines fly from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo in about 7h 41m. The time it takes to get you to your destination can typically vary by up to 1h 19m. 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
Tonawanda
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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