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Cheap flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport from C$ 251

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YUL
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Buffalo to Pierre Elliott Trudeau Intl

Enter your travel dates to find the best prices.

Cheapest flights from Buffalo to Pierre Elliott Trudeau Intl
Explore the most affordable flight options available from Buffalo to Pierre Elliott Trudeau Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 January 2026.

Sun 1/36:01 a.m.
BUF
-
YUL
1 stop7h 35m
Delta
Wed 4/32:29 p.m.
YUL
-
BUF
1 stop8h 10m
Delta
Deal found 24/1C$ 664
Tue 24/210:32 a.m.
BUF
-
YUL
1 stop8h 03m
Delta
Tue 3/32:29 p.m.
YUL
-
BUF
1 stop8h 10m
Delta
Deal found 25/1C$ 678
Sun 1/310:47 a.m.
BUF
-
YUL
1 stop13h 43m
Multiple Airlines
Wed 4/35:25 p.m.
YUL
-
BUF
2 stops18h 14m
Multiple Airlines
Deal found 24/1C$ 703
Wed 11/36:02 a.m.
BUF
-
YUL
1 stop7h 35m
Delta
Wed 18/39:20 a.m.
YUL
-
BUF
1 stop7h 31m
Delta
Deal found 25/1C$ 712
Tue 28/46:00 a.m.
BUF
-
YUL
1 stop7h 39m
Delta
Sat 2/56:00 a.m.
YUL
-
BUF
1 stop5h 45m
Delta
Deal found 25/1C$ 768
Thu 7/56:16 a.m.
BUF
-
YUL
1 stop7h 23m
Delta
Mon 11/52:30 p.m.
YUL
-
BUF
1 stop8h 30m
Delta
Deal found 23/1C$ 771
Tue 28/47:17 a.m.
BUF
-
YUL
2 stops14h 20m
American Airlines
Sat 2/512:30 p.m.
YUL
-
BUF
1 stop9h 00m
American Airlines
Deal found 25/1C$ 790
Wed 11/38:00 a.m.
BUF
-
YUL
2 stops14h 56m
American Airlines
Wed 18/33:45 p.m.
YUL
-
BUF
1 stop20h 04m
American Airlines
Deal found 25/1C$ 805
Tue 24/25:24 a.m.
BUF
-
YUL
2 stops17h 32m
American Airlines
Tue 3/33:57 p.m.
YUL
-
BUF
2 stops20h 17m
American Airlines
Deal found 25/1C$ 808
Fri 17/77:35 p.m.
BUF
-
YUL
1 stop27h 59m
WestJet
Tue 21/77:00 a.m.
YUL
-
BUF
1 stop11h 33m
WestJet
Deal found 25/1C$ 848
Mon 25/510:21 a.m.
BUF
-
YUL
1 stop6h 00m
United Airlines
Sun 31/56:30 p.m.
YUL
-
BUF
1 stop5h 22m
United Airlines
Deal found 25/1C$ 852

Find flight deals from Buffalo to Pierre Elliott Trudeau Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buffalo (BUF) to Pierre Elliott Trudeau Intl (YUL). 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 26 January 2026.

Round-trip from

C$ 664

One-way from

C$ 251
Delta
  • Delta
  • 1/3-4/3
  • 2 total stops
  • 15h 45m total
  • Buffalo to Montreal
Search Deals
5/2
  • 5/2
  • 3 total stops
  • 30h 35m total
  • Buffalo to Montreal
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buffalo to Pierre Elliott Trudeau Intl 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 26 January 2026.
Use the filters below to find and compare flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport that are best for you.

Fly from

Buffalo

Fly to

Pierre Elliott Trudeau Intl

Route

Depart

Return

Price

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 1/3

6:01 a.m.-1:36 p.m.

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

2:29 p.m.-10:39 p.m.

1 stop8h 10m

C$ 664

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 24/2

10:32 a.m.-6:35 p.m.

1 stop8h 03m

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

2:29 p.m.-10:39 p.m.

1 stop8h 10m

C$ 678

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 25/2

10:32 a.m.-6:35 p.m.

1 stop8h 03m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

2:29 p.m.-10:39 p.m.

1 stop8h 10m

C$ 678

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 1/3

10:47 a.m.-12:30 a.m.

1 stop13h 43m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

5:25 p.m.-11:39 a.m.

2 stops18h 14m

C$ 703

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 28/4

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

1 stop7h 39m

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

6:00 a.m.-11:45 a.m.

1 stop5h 45m

C$ 768

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 7/5

6:16 a.m.-1:39 p.m.

1 stop7h 23m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

2:30 p.m.-11:00 p.m.

1 stop8h 30m

C$ 771

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 25/2

5:24 a.m.-10:56 p.m.

2 stops17h 32m

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

7:30 a.m.-11:31 p.m.

2 stops16h 01m

C$ 778

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 11/3

8:00 a.m.-10:56 p.m.

2 stops14h 56m

Montreal Pierre Elliott Trudeau Intl

Wed 18/3

3:45 p.m.-11:49 a.m.

1 stop20h 04m

C$ 805

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 24/2

5:24 a.m.-10:56 p.m.

2 stops17h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

3:57 p.m.-12:14 p.m.

2 stops20h 17m

C$ 808

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 25/5

10:21 a.m.-4:21 p.m.

1 stop6h 00m

Montreal Pierre Elliott Trudeau Intl

Sun 31/5

6:30 p.m.-11:52 p.m.

1 stop5h 22m

C$ 852

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 18 results
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Best time to book a flight from Buffalo to Pierre Elliott Trudeau Intl

Have a flexible travel schedule? Discover the best time to fly to Pierre Elliott Trudeau Intl from Buffalo 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 Buffalo to Pierre Elliott Trudeau Intl. 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 from for flights from Buffalo to Montreal Pierre Elliott Trudeau Intl?

    Buffalo (BUF), located 13.4 km from the city centre, is the airport you fly out of when you book flights from Buffalo to Montreal Pierre Elliott Trudeau Intl. 0 airlines have flights from Buffalo to Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Buffalo to Montreal Pierre Elliott Trudeau Intl should not be difficult; the airport handles an average of 0 outbound flights to Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport?

    Delta can get you from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport in just under 7h 35m. Your travel time can differ by up to . There are 486 km between Buffalo and Montreal Pierre Elliott Trudeau Intl Airport.

  • Can I find deals for flights from Buffalo to Pierre Elliott Trudeau Intl that include hotel bookings?

    Yes. In addition to deals on Buffalo to Pierre Elliott Trudeau Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Buffalo to Pierre Elliott Trudeau Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buffalo to Pierre Elliott Trudeau Intl.

  • Can I find deals for business class flights from Buffalo to Pierre Elliott Trudeau Intl?

    Yes. Cheapflights offers flight deals from Buffalo to Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl Airport?

Book flights to Montreal Pierre Elliott Trudeau Intl Airport if you plan to visit one of these locations
Laval
Dorval
Trois-Rivières
Sherbrooke
Cornwall
Brossard
Montebello
Boucherville
Longueuil
Drummondville
Magog
Saint-Jean-sur-Richelieu
Bromont
North Hatley
Saint-Sauveur
Louiseville

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Alternative routes for Buffalo to Pierre Elliott Trudeau Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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How does Cheapflights help users find flights from Buffalo to Pierre Elliott Trudeau Intl?

When you search for this flight from Buffalo to Pierre Elliott Trudeau Intl, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Buffalo to Pierre Elliott Trudeau Intl.

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

Yes, we can. To see specific flights from Buffalo to Pierre Elliott Trudeau Intl with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Buffalo to Pierre Elliott Trudeau Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Pierre Elliott Trudeau Intl from Buffalo today and book when prices fit your budget.

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