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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo from C$ 316

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUF
26 Feb — 5 Mar1
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 January 2026.

Fri 13/37:30 p.m.
YUL
-
BUF
1 stop24h 46m
Delta
Fri 20/36:02 a.m.
BUF
-
YUL
1 stop26h 28m
Delta
Deal found 26/1C$ 561
Mon 9/32:29 p.m.
YUL
-
BUF
1 stop8h 44m
Delta
Tue 17/310:23 a.m.
BUF
-
YUL
1 stop8h 12m
Delta
Deal found 26/1C$ 594
Fri 13/39:15 a.m.
YUL
-
BUF
1 stop14h 27m
United Airlines
Fri 20/37:30 p.m.
BUF
-
YUL
2 stops12h 02m
United Airlines
Deal found 27/1C$ 675
Fri 13/31:10 p.m.
YUL
-
BUF
1 stop10h 46m
Multiple Airlines
Fri 20/36:00 a.m.
BUF
-
YUL
1 stop11h 02m
Multiple Airlines
Deal found 27/1C$ 683
Thu 12/32:29 p.m.
YUL
-
BUF
1 stop8h 44m
Delta
Thu 19/36:02 a.m.
BUF
-
YUL
1 stop7h 35m
Delta
Deal found 26/1C$ 686
Thu 12/312:59 p.m.
YUL
-
BUF
1 stop9h 46m
American Airlines
Thu 19/35:30 a.m.
BUF
-
YUL
1 stop9h 50m
American Airlines
Deal found 25/1C$ 687
Fri 13/24:45 p.m.
YUL
-
BUF
1 stop6h 12m
Delta
Tue 17/25:44 p.m.
BUF
-
YUL
1 stop5h 26m
Delta
Deal found 27/1C$ 689
Mon 9/312:59 p.m.
YUL
-
BUF
1 stop9h 46m
American Airlines
Tue 17/34:25 p.m.
BUF
-
YUL
1 stop19h 59m
American Airlines
Deal found 26/1C$ 691

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 January 2026.

Round-trip from

C$ 561

One-way from

C$ 322

Popular in

March

Cheapest in

May

Average price

C$ 535
Delta
  • Delta
  • 13/3-20/3
  • 2 total stops
  • 51h 14m total
  • Montreal to Buffalo
Search Deals
Delta
  • Delta
  • 12/3
  • 1 total stop
  • 8h 44m total
  • Montreal to Buffalo
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 212 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease (C$ 104 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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 January 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

Pierre Elliott Trudeau Intl

Fly to

Buffalo

Route

Depart

Return

Price

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

7:30 p.m.-8:16 p.m.

1 stop24h 46m

Buffalo

Fri 20/3

6:02 a.m.-8:30 a.m.

1 stop26h 28m

C$ 561

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

2:29 p.m.-11:13 p.m.

1 stop8h 44m

Buffalo

Tue 17/3

10:23 a.m.-6:35 p.m.

1 stop8h 12m

C$ 594

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

9:20 a.m.-4:51 p.m.

1 stop7h 31m

Buffalo

Wed 18/3

6:02 a.m.-1:37 p.m.

1 stop7h 35m

C$ 594

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

9:15 a.m.-11:42 p.m.

1 stop14h 27m

Buffalo

Fri 20/3

7:30 p.m.-7:32 a.m.

2 stops12h 02m

C$ 675

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 13/3

1:10 p.m.-11:56 p.m.

1 stop10h 46m

Buffalo

Fri 20/3

6:00 a.m.-5:02 p.m.

1 stop11h 02m

C$ 686

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

2:29 p.m.-11:13 p.m.

1 stop8h 44m

Buffalo

Thu 19/3

6:02 a.m.-1:37 p.m.

1 stop7h 35m

C$ 686

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

12:59 p.m.-10:45 p.m.

1 stop9h 46m

Buffalo

Thu 19/3

5:30 a.m.-3:20 p.m.

1 stop9h 50m

C$ 687

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 13/2

4:45 p.m.-10:57 p.m.

1 stop6h 12m

Buffalo

Tue 17/2

5:44 p.m.-11:10 p.m.

1 stop5h 26m

C$ 689

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

12:59 p.m.-10:45 p.m.

1 stop9h 46m

Buffalo

Tue 17/3

4:25 p.m.-12:24 p.m.

1 stop19h 59m

C$ 691

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

7:30 p.m.-2:19 p.m.

1 stop18h 49m

C$ 316

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 18 results
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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 24h 46m. 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
Williamsville
Amherst

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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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