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Cheap flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport from C$ 260

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
BUF — YUL
26 May — 2 Jun1
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 April 2026.

Sat 23/56:04 a.m.
BUF
-
YUL
1 stop26h 35m
Delta
Sat 30/59:30 a.m.
YUL
-
BUF
1 stop23h 48m
Delta
Deal found 25/4C$ 599
Sat 23/511:22 a.m.
BUF
-
YUL
1 stop22h 34m
American Airlines
Fri 29/510:30 a.m.
YUL
-
BUF
1 stop10h 53m
American Airlines
Deal found 23/4C$ 600
Thu 16/711:10 a.m.
BUF
-
YUL
1 stop22h 38m
American Airlines
Sat 18/710:30 a.m.
YUL
-
BUF
1 stop8h 18m
American Airlines
Deal found 25/4C$ 653
Sat 23/510:38 a.m.
BUF
-
YUL
1 stop11h 00m
American Airlines
Sat 30/510:30 a.m.
YUL
-
BUF
1 stop8h 17m
American Airlines
Deal found 25/4C$ 671
Tue 2/69:45 a.m.
BUF
-
YUL
1 stop9h 08m
Delta
Sun 7/66:00 a.m.
YUL
-
BUF
1 stop5h 24m
Delta
Deal found 25/4C$ 672
Sat 6/65:25 a.m.
BUF
-
YUL
1 stop7h 03m
American Airlines
Sat 13/610:30 a.m.
YUL
-
BUF
1 stop8h 17m
American Airlines
Deal found 22/4C$ 683
Sat 9/56:04 a.m.
BUF
-
YUL
1 stop7h 35m
Delta
Mon 11/52:29 p.m.
YUL
-
BUF
1 stop9h 03m
Delta
Deal found 21/4C$ 689
Sat 9/56:25 a.m.
BUF
-
YUL
1 stop5h 34m
Delta
Tue 12/52:29 p.m.
YUL
-
BUF
1 stop9h 03m
Delta
Deal found 23/4C$ 693
Fri 17/76:22 p.m.
BUF
-
YUL
1 stop15h 26m
American Airlines
Tue 21/710:30 a.m.
YUL
-
BUF
2 stops11h 25m
American Airlines
Deal found 23/4C$ 696
Wed 24/68:58 a.m.
BUF
-
YUL
1 stop7h 19m
Delta
Tue 7/79:30 a.m.
YUL
-
BUF
1 stop8h 00m
Delta
Deal found 23/4C$ 700

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 April 2026.

Round-trip from

C$ 599

One-way from

C$ 260
Delta
  • Delta
  • 23/5-30/5
  • 2 total stops
  • 50h 23m total
  • Buffalo to Montreal
Search Deals
Delta
  • Delta
  • 8/6
  • 1 total stop
  • 12h 51m 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 April 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 29/5

9:45 a.m.-6:53 p.m.

1 stop9h 08m

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

2:29 p.m.-11:32 p.m.

1 stop9h 03m

C$ 600

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 2/6

9:45 a.m.-6:53 p.m.

1 stop9h 08m

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

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

1 stop5h 24m

C$ 672

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 9/5

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

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 11/5

2:29 p.m.-11:32 p.m.

1 stop9h 03m

C$ 689

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sun 21/6

6:07 a.m.-11:57 a.m.

1 stop5h 50m

Montreal Pierre Elliott Trudeau Intl

Fri 26/6

2:29 p.m.-11:32 p.m.

1 stop9h 03m

C$ 700

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 23/5

7:00 a.m.-11:57 p.m.

2 stops16h 57m

Montreal Pierre Elliott Trudeau Intl

Sat 30/5

9:30 a.m.-9:18 a.m.

1 stop23h 48m

C$ 701

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 9/5

3:55 p.m.-9:37 p.m.

1 stop5h 42m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

7:45 a.m.-9:20 p.m.

2 stops13h 35m

C$ 739

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 12/5

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

1 stop7h 35m

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

5:06 p.m.-11:59 p.m.

1 stop6h 53m

C$ 741
Quickest round-trip

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Fri 5/6

10:34 a.m.-4:10 p.m.

1 stop5h 36m

Montreal Pierre Elliott Trudeau Intl

Fri 12/6

6:00 a.m.-9:53 a.m.

1 stop3h 53m

C$ 745

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 6/6

7:00 a.m.-9:26 p.m.

1 stop14h 26m

Montreal Pierre Elliott Trudeau Intl

Wed 10/6

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

1 stop7h 01m

C$ 745

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 9/5

10:44 a.m.-9:37 p.m.

1 stop10h 53m

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

7:45 a.m.-11:49 p.m.

1 stop16h 04m

C$ 745

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 22 resultsSorted by cheapest first
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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 9h 08m. 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
Montebello
Cornwall
Longueuil
Brossard
Boucherville
Magog
Saint-Jean-sur-Richelieu
Bromont
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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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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