Cheap flights from Islip, NY to Montreal

Flights starting at $400. Choose between JetBlue Airways, Porter Airlines, or BREEZE to find the best price.

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How much do flights to Montreal cost?

Key info about flying to Montreal

Depart from
Long Island MacArthur
Arrive to
Montréal–Pierre Elliott Trudeau International
Average flights per week
86
Flight distance
Worth visiting
Island of Montreal - Île Jésus

Check-in for a flight from Islip to Montreal

NameCarrier codeIATA CodePassport needed during booking
JetBlue AirwaysJBUB6No
Porter AirlinesPOEPDNo
BREEZE MXNo
Air CanadaACAACYes
Pascan AviationPSCP6No

Weather in Montreal

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January-5°C-13°C
February-3°C-12°C
March2°C-5°C
April10°C1°C
May18°C8°C
June22°C13°C
July26°C17°C
August24°C16°C
September21°C12°C
October13°C6°C
November5°C0°C
December-1°C-6°C
Hottest Month
26°C
July
Coldest month
-13°C
January
Sunny days
223
days per year
Snow days
31
days per year

14 day forecast

Wednesday
11 Dec
80%
3°C1°C
18 Dec
88%
3°C-2°C
Thursday
12 Dec
80%
0°C-6°C
19 Dec
63%
-2°C-4°C
Friday
13 Dec
-3°C-7°C
20 Dec
89%
-4°C-8°C
Saturday
14 Dec
-2°C-9°C
21 Dec
-8°C-10°C
Sunday
15 Dec
0°C-6°C
22 Dec
-7°C-10°C
Monday
16 Dec
63%
1°C0°C
23 Dec
68%
-5°C-10°C
Tuesday
17 Dec
82%
7°C1°C
24 Dec
80%
-2°C-4°C
Book your trip to arrive at Montréal–Pierre Elliott Trudeau International, or Montreal Saint-Hubert Longueuil. The most popular airlines for this route are JetBlue Airways, Porter Airlines, BREEZE, Air Canada, and Pascan Aviation. Islip and Montreal have 86 direct flights per week. When you arrive at Montreal, consider visiting Island of Montreal, and Île Jésus.

Frequently asked questions

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What time do flights between Islip and Montreal depart?
What time do flights between Islip and Montreal arrive?

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