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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo from C$ 274

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 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BUF
3 Aug — 10 Aug1
1 adult

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 29 July 2025.

Round-trip from

C$ 484

One-way from

C$ 274

Popular in

March

Cheapest in

September

Average price

C$ 739
Delta
  • Delta
  • 5/9-7/9
  • 2 total stops
  • 22h 27m total
  • Montreal to Buffalo
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19/9
  • 19/9
  • 2 total stops
  • 11h 29m total
  • Montreal to Buffalo
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 179 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
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Find flight deals from Pierre Elliott Trudeau Intl to Buffalo

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 29 July 2025.

Fri 5/911:00 a.m.YUL - BUF
1 stop12h 24mDelta
Sun 7/96:04 a.m.BUF - YUL
1 stop10h 03mDelta
Deal found 29/7C$ 484
Fri 12/96:45 a.m.YUL - BUF
2 stops11h 29mMultiple Airlines
Fri 19/96:59 p.m.BUF - YUL
1 stop19h 21mMultiple Airlines
Deal found 28/7C$ 554
Fri 19/95:15 p.m.YUL - BUF
1 stop17h 51mAmerican Airlines
Sat 27/911:46 a.m.BUF - YUL
1 stop24h 00mAmerican Airlines
Deal found 27/7C$ 564
Mon 8/910:45 a.m.YUL - BUF
3 stops12h 49mPorter Airlines
Tue 16/98:00 p.m.BUF - YUL
3 stops16h 30mPorter Airlines
Deal found 29/7C$ 635
Fri 12/98:20 a.m.YUL - BUF
1 stop25h 33mUnited Airlines
Fri 19/97:05 a.m.BUF - YUL
1 stop11h 45mUnited Airlines
Deal found 29/7C$ 701
Sun 7/91:20 p.m.YUL - BUF
1 stop7h 56mAir Canada
Tue 16/98:00 p.m.BUF - YUL
2 stops12h 28mAir Canada
Deal found 28/7C$ 731
Thu 9/106:45 a.m.YUL - BUF
2 stops16h 55mWestJet
Sat 11/106:20 a.m.BUF - YUL
1 stop5h 42mWestJet
Deal found 27/7C$ 792

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 29 July 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

Fri 5/9

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

1 stop12h 24m

Buffalo

Sun 7/9

6:04 a.m.-4:07 p.m.

1 stop10h 03m

C$ 484

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

6:45 a.m.-6:14 p.m.

2 stops11h 29m

Buffalo

Fri 19/9

6:59 p.m.-2:20 p.m.

1 stop19h 21m

C$ 554

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

5:15 p.m.-11:06 a.m.

1 stop17h 51m

Buffalo

Sat 27/9

11:46 a.m.-11:46 a.m.

1 stop24h 00m

C$ 564

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

10:45 a.m.-11:34 p.m.

3 stops12h 49m

Buffalo

Tue 16/9

8:00 p.m.-12:30 p.m.

3 stops16h 30m

C$ 635

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

8:20 a.m.-9:53 a.m.

1 stop25h 33m

Buffalo

Fri 19/9

7:05 a.m.-6:50 p.m.

1 stop11h 45m

C$ 701

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

1:20 p.m.-9:16 p.m.

1 stop7h 56m

Buffalo

Tue 16/9

8:00 p.m.-8:28 a.m.

2 stops12h 28m

C$ 731

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Thu 9/10

6:45 a.m.-11:40 p.m.

2 stops16h 55m

Buffalo

Sat 11/10

6:20 a.m.-12:02 p.m.

1 stop5h 42m

C$ 792

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

6:45 a.m.-6:14 p.m.

2 stops11h 29m

C$ 274

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

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

1 stop17h 24m

C$ 296

MontrealBuffalo

YUL - BUF

YULBUF

Montreal Pierre Elliott Trudeau Intl

Fri 12/9

1:20 p.m.-9:53 a.m.

1 stop20h 33m

C$ 368

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 12 results
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.

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 29 July 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 at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the morning.

What’s the top layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo?

Share of one-stop round-trip flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo chosen by Cheapflights users in the past 12 months, using the same layover each way.

Atlanta (ATL) – chosen by Cheapflights users on 67% of one-stop itineraries from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo on Cheapflights.

What’s the cheapest layover airport for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo?

Average round-trip fare for 1-stop flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Atlanta (ATL) is the most affordable 1-stop option, with an average round-trip price of C$ 592.

What’s the fastest layover option from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo?

Shortest average travel time for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 2h 18m.

Which airport typically offers the quickest layover for flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo?

Average layover duration for 1-stop one-way flights from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 1h 42m.

Reviews of airlines servicing Buffalo

Get insights into the airlines that provide service to Buffalo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buffalo. Reviews last updated 29 July 2025.
Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
317 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
317 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Delta
8.0
Very good
7,979 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,896 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,972 reviews
Porter Airlines
8.0
Very good
317 reviews
Check prices

Overall

8.0

Food

7.6

Crew

8.7

Boarding

8.2

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

  • What are the cheapest airlines flying from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo round-trip?

    Delta, at C$ 484, was found to be the cheapest airline from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo.Alternate airlines to your destination round-trip include American Airlines and Porter Airlines. Users have found that Delta is 23% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as C$ 296. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Montreal Pierre Elliott Trudeau Intl Airport to Buffalo for a low price.

  • 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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