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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo from C$ 238

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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUF
27 May — 3 Jun1
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 27 April 2026.

Tue 26/57:44 p.m.
YUL
-
BUF
1 stop18h 23m
Delta
Tue 2/69:45 a.m.
BUF
-
YUL
1 stop22h 54m
Delta
Deal found 26/4C$ 495
Tue 2/69:30 a.m.
YUL
-
BUF
1 stop7h 31m
Delta
Sat 6/66:04 a.m.
BUF
-
YUL
1 stop26h 35m
Delta
Deal found 23/4C$ 538
Sat 23/510:30 a.m.
YUL
-
BUF
1 stop8h 17m
American Airlines
Sat 30/510:38 a.m.
BUF
-
YUL
1 stop11h 00m
American Airlines
Deal found 25/4C$ 581
Sat 9/52:29 p.m.
YUL
-
BUF
1 stop18h 49m
Delta
Sat 16/57:31 p.m.
BUF
-
YUL
1 stop3h 42m
Delta
Deal found 25/4C$ 588
Sun 10/56:00 a.m.
YUL
-
BUF
1 stop5h 24m
Delta
Wed 13/56:04 a.m.
BUF
-
YUL
1 stop7h 35m
Delta
Deal found 26/4C$ 589
Tue 9/66:10 a.m.
YUL
-
BUF
1 stop14h 53m
United Airlines
Tue 16/66:00 a.m.
BUF
-
YUL
1 stop7h 09m
United Airlines
Deal found 25/4C$ 597
Fri 22/510:30 a.m.
YUL
-
BUF
1 stop7h 21m
American Airlines
Sat 30/55:25 a.m.
BUF
-
YUL
1 stop7h 03m
American Airlines
Deal found 24/4C$ 599
Tue 9/610:30 a.m.
YUL
-
BUF
2 stops11h 20m
American Airlines
Tue 16/61:43 p.m.
BUF
-
YUL
1 stop20h 07m
American Airlines
Deal found 25/4C$ 615
Thu 28/510:30 a.m.
YUL
-
BUF
2 stops11h 20m
American Airlines
Mon 1/66:21 p.m.
BUF
-
YUL
1 stop15h 29m
American Airlines
Deal found 26/4C$ 625
Wed 8/710:30 a.m.
YUL
-
BUF
1 stop10h 37m
American Airlines
Thu 16/76:00 a.m.
BUF
-
YUL
1 stop3h 48m
American Airlines
Deal found 27/4C$ 626

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 27 April 2026.

Round-trip from

C$ 495

One-way from

C$ 238
Delta
  • Delta
  • 26/5-2/6
  • 2 total stops
  • 41h 17m total
  • Montreal to Buffalo
Search Deals
9/6
  • 9/6
  • 2 total stops
  • 12h 27m 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 27 April 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 26/5

7:44 p.m.-2:07 p.m.

1 stop18h 23m

Buffalo

Tue 2/6

9:45 a.m.-8:39 a.m.

1 stop22h 54m

C$ 495

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

9:30 a.m.-5:01 p.m.

1 stop7h 31m

Buffalo

Sat 6/6

6:04 a.m.-8:39 a.m.

1 stop26h 35m

C$ 538

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

2:40 p.m.-11:32 p.m.

1 stop8h 52m

Buffalo

Tue 16/6

4:01 p.m.-11:28 p.m.

1 stop7h 27m

C$ 569

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

2:29 p.m.-9:18 a.m.

1 stop18h 49m

Buffalo

Sat 16/5

7:31 p.m.-11:13 p.m.

1 stop3h 42m

C$ 588
Quickest round-trip

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sun 10/5

6:00 a.m.-11:24 a.m.

1 stop5h 24m

Buffalo

Tue 12/5

6:04 a.m.-1:39 p.m.

1 stop7h 35m

C$ 589

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

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

1 stop14h 53m

Buffalo

Tue 16/6

6:00 a.m.-1:09 p.m.

1 stop7h 09m

C$ 597

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 2/6

9:45 a.m.-4:46 p.m.

1 stop7h 01m

Buffalo

Sat 6/6

7:00 a.m.-5:26 p.m.

2 stops10h 26m

C$ 682

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

5:00 p.m.-11:55 p.m.

1 stop6h 55m

Buffalo

Sat 16/5

5:55 p.m.-7:58 a.m.

2 stops14h 03m

C$ 693
Cheapest one-way

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

6:45 a.m.-7:12 p.m.

2 stops12h 27m

C$ 238

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 9/6

7:44 p.m.-9:02 a.m.

1 stop13h 18m

C$ 288

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 19 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 Delta fly from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo in about 18h 23m. The time it takes to get you to your destination can typically vary by up to . There are 486 km between Montreal Pierre Elliott Trudeau Intl Airport and Buffalo.

  • 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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Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Buffalo?

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

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