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Cheap flights from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport from C$ 346

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.
BUF — YUL
12 Jul — 19 Jul1
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 12 June 2026.

Mon 10/810:20 a.m.
BUF
-
YUL
1 stop8h 34m
Delta
Wed 12/82:29 p.m.
YUL
-
BUF
1 stop9h 00m
Delta
Deal found 9/6C$ 703
Sat 4/76:10 a.m.
BUF
-
YUL
1 stop7h 40m
Delta
Fri 10/72:29 p.m.
YUL
-
BUF
1 stop9h 09m
Delta
Deal found 9/6C$ 704
Sat 8/86:00 a.m.
BUF
-
YUL
1 stop6h 27m
American Airlines
Wed 12/810:31 a.m.
YUL
-
BUF
1 stop11h 00m
American Airlines
Deal found 9/6C$ 737
Tue 20/106:16 a.m.
BUF
-
YUL
2 stops16h 54m
Delta
Thu 22/106:00 a.m.
YUL
-
BUF
2 stops12h 54m
Delta
Deal found 10/6C$ 750
Wed 8/73:00 p.m.
BUF
-
YUL
1 stop4h 45m
United Airlines
Wed 15/711:23 a.m.
YUL
-
BUF
1 stop6h 42m
United Airlines
Deal found 9/6C$ 764
Thu 9/710:34 a.m.
BUF
-
YUL
1 stop5h 36m
United Airlines
Wed 15/73:25 p.m.
YUL
-
BUF
1 stop7h 06m
United Airlines
Deal found 12/6C$ 778
Wed 8/77:15 a.m.
BUF
-
YUL
2 stops8h 04m
American Airlines
Wed 15/710:30 a.m.
YUL
-
BUF
2 stops11h 25m
American Airlines
Deal found 9/6C$ 782
Wed 19/86:00 a.m.
BUF
-
YUL
1 stop6h 27m
American Airlines
Sun 23/84:15 p.m.
YUL
-
BUF
1 stop18h 03m
American Airlines
Deal found 10/6C$ 784

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 12 June 2026.

Round-trip from

C$ 703

One-way from

C$ 346
Delta
  • Delta
  • 10/8-12/8
  • 2 total stops
  • 17h 34m total
  • Buffalo to Montreal
Search Deals
Delta
  • Delta
  • 19/9
  • 1 total stop
  • 7h 31m 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 12 June 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

Mon 10/8

10:20 a.m.-6:54 p.m.

1 stop8h 34m

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

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

1 stop9h 00m

C$ 703

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Sat 4/7

6:10 a.m.-1:50 p.m.

1 stop7h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 10/7

2:29 p.m.-11:38 p.m.

1 stop9h 09m

C$ 704

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Mon 10/8

5:45 p.m.-9:46 a.m.

1 stop16h 01m

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

10:31 a.m.-9:31 p.m.

1 stop11h 00m

C$ 737

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 20/10

2:30 p.m.-6:50 p.m.

1 stop4h 20m

Montreal Pierre Elliott Trudeau Intl

Thu 22/10

6:00 a.m.-6:54 p.m.

2 stops12h 54m

C$ 757

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 16/9

10:00 a.m.-6:53 p.m.

1 stop8h 53m

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

9:30 a.m.-5:32 p.m.

1 stop8h 02m

C$ 775
Quickest round-trip

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Thu 9/7

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

1 stop5h 36m

Montreal Pierre Elliott Trudeau Intl

Wed 15/7

3:25 p.m.-10:31 p.m.

1 stop7h 06m

C$ 778

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 11/8

6:00 a.m.-1:09 p.m.

1 stop7h 09m

Montreal Pierre Elliott Trudeau Intl

Thu 13/8

9:45 a.m.-4:56 p.m.

1 stop7h 11m

C$ 784

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 19/8

6:00 a.m.-12:27 p.m.

1 stop6h 27m

Montreal Pierre Elliott Trudeau Intl

Sun 23/8

4:15 p.m.-10:18 a.m.

1 stop18h 03m

C$ 784

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Tue 7/7

1:54 p.m.-9:26 p.m.

1 stop7h 32m

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

4:30 p.m.-10:31 p.m.

1 stop6h 01m

C$ 784

BuffaloMontreal

BUF - YUL

BUFYUL

Buffalo

Wed 1/7

6:00 a.m.-4:10 p.m.

1 stop10h 10m

Montreal Pierre Elliott Trudeau Intl

Wed 8/7

3:25 p.m.-10:31 p.m.

1 stop7h 06m

C$ 784

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 23 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 and American Airlines can get you from Buffalo to Montreal Pierre Elliott Trudeau Intl Airport in just under 6h 27m. Your travel time can differ by up to 2h 07m. There are 486 km between Buffalo and Montreal Pierre Elliott Trudeau Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • 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
Brossard
Sherbrooke
Cornwall
Longueuil
Montebello
Magog
Boucherville
Bromont
Saint-Jean-sur-Richelieu
Drummondville
North Hatley
Saint-Sauveur
Louiseville

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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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