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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo from C$ 304

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUF
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Pierre Elliott Trudeau Intl to Buffalo

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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 28 October 2025.

Thu 4/122:37 p.m.YUL - BUF
1 stop8h 25mDelta
Wed 10/1210:27 a.m.BUF - YUL
1 stop8h 27mDelta
Deal found 27/10C$ 512
Thu 11/126:45 a.m.YUL - BUF
2 stops29h 06mMultiple Airlines
Thu 18/122:07 p.m.BUF - YUL
1 stop10h 23mMultiple Airlines
Deal found 27/10C$ 526
Thu 11/129:35 a.m.YUL - BUF
1 stop7h 27mDelta
Thu 18/126:00 a.m.BUF - YUL
1 stop7h 47mDelta
Deal found 27/10C$ 572
Fri 21/112:29 p.m.YUL - BUF
1 stop8h 32mDelta
Sun 23/116:00 a.m.BUF - YUL
1 stop7h 39mDelta
Deal found 25/10C$ 586
Sat 6/122:37 p.m.YUL - BUF
1 stop6h 22mDelta
Wed 10/1210:27 a.m.BUF - YUL
1 stop8h 27mDelta
Deal found 26/10C$ 642
Fri 12/125:25 p.m.YUL - BUF
2 stops20h 50mMultiple Airlines
Fri 19/129:42 a.m.BUF - YUL
1 stop14h 48mMultiple Airlines
Deal found 28/10C$ 648
Thu 27/117:00 p.m.YUL - BUF
1 stop19h 20mUnited Airlines
Sun 30/117:30 p.m.BUF - YUL
2 stops16h 37mUnited Airlines
Deal found 28/10C$ 690
Thu 13/111:10 p.m.YUL - BUF
1 stop9h 48mMultiple Airlines
Thu 20/116:00 a.m.BUF - YUL
1 stop7h 28mMultiple Airlines
Deal found 25/10C$ 723
Sat 6/124:35 p.m.YUL - BUF
1 stop21h 48mMultiple Airlines
Wed 10/1212:10 p.m.BUF - YUL
2 stops18h 55mMultiple Airlines
Deal found 26/10C$ 783
Sat 6/128:00 p.m.YUL - BUF
1 stop18h 22mUnited Airlines
Wed 10/1211:35 a.m.BUF - YUL
1 stop5h 32mUnited Airlines
Deal found 26/10C$ 786
Fri 21/117:00 a.m.YUL - BUF
1 stop4h 06mUnited Airlines
Sun 23/112:55 p.m.BUF - YUL
1 stop4h 53mUnited Airlines
Deal found 25/10C$ 793

Cheap 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 28 October 2025.

Round-trip from

C$ 512

One-way from

C$ 304

Popular in

March

Cheapest in

January

Average price

C$ 769
Delta
  • Delta
  • 4/12-10/12
  • 2 total stops
  • 16h 52m total
  • Montreal to Buffalo
Search Deals
Delta
  • Delta
  • 3/12
  • 1 total stop
  • 8h 25m total
  • Montreal to Buffalo
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (C$ 154 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 28 October 2025.
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

Thu 4/12

2:37 p.m.-11:02 p.m.

1 stop8h 25m

Buffalo

Wed 10/12

10:27 a.m.-6:54 p.m.

1 stop8h 27m

C$ 512

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

9:35 a.m.-5:02 p.m.

1 stop7h 27m

Buffalo

Thu 18/12

6:00 a.m.-1:47 p.m.

1 stop7h 47m

C$ 572

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 21/11

2:29 p.m.-11:01 p.m.

1 stop8h 32m

Buffalo

Sun 23/11

6:00 a.m.-1:39 p.m.

1 stop7h 39m

C$ 586

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sat 6/12

2:37 p.m.-8:59 p.m.

1 stop6h 22m

Buffalo

Wed 10/12

10:27 a.m.-6:54 p.m.

1 stop8h 27m

C$ 642

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

7:45 p.m.-9:45 a.m.

1 stop14h 00m

Buffalo

Sat 28/2

7:15 p.m.-5:04 p.m.

2 stops21h 49m

C$ 656

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

7:00 p.m.-2:20 p.m.

1 stop19h 20m

Buffalo

Sun 30/11

7:30 p.m.-12:07 p.m.

2 stops16h 37m

C$ 690

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

9:34 a.m.-5:04 p.m.

1 stop7h 30m

Buffalo

Sun 1/2

10:33 a.m.-3:57 p.m.

1 stop5h 24m

C$ 697

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

6:15 p.m.-1:24 p.m.

1 stop19h 09m

Buffalo

Sun 1/2

9:55 a.m.-9:16 p.m.

2 stops11h 21m

C$ 702

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 12/1

8:05 a.m.-5:40 p.m.

1 stop9h 35m

Buffalo

Tue 13/1

6:20 p.m.-8:32 a.m.

1 stop14h 12m

C$ 704

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Wed 3/12

2:37 p.m.-11:02 p.m.

1 stop8h 25m

C$ 304

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

Showing 1-10 of 21 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.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo

What is the cheapest time of day to fly from YUL to BUF?

Find hourly flight availability from Pierre Elliott Trudeau Intl to Buffalo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 28 October 2025.

A simple way to save on the total cost of your ticket is to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo in the afternoon. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the evening.

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 8h 25m. 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
Cheektowaga
Tonawanda
Batavia
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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Pierre Elliott Trudeau Intl to Buffalo, users can toggle the no change fees filter when performing a flight search.

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