When did momondo last update prices for flights from Montreal to Islip Long Island Airport?

Prices for flights from Montreal to Islip Long Island Airport were last updated today.

How old do you have to be to fly from Montreal to Islip Long Island Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Islip Long Island Airport.

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 396 Cheap Flights from Montreal to Islip, New York in 2026

Find the cheapest flights from Montreal to New York

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

YUL

ISP

27h 08m

2 stops

3:05 p.m. - 6:15 p.m.

ISP

YUL

27h 10m

1 stop

C$ 1,015Multiple Airlines

Fri, 31 Jul - Fri, 7 Aug

7:20 p.m. - 12:30 p.m.

YUL

ISP

17h 10m

1 stop

6:09 p.m. - 11:52 p.m.

ISP

YUL

29h 43m

2 stops

C$ 1,084Multiple Airlines

Sat, 1 Aug - Sat, 8 Aug

7:20 p.m. - 12:30 p.m.

YUL

ISP

17h 10m

1 stop

9:00 a.m. - 6:15 p.m.

ISP

YUL

9h 15m

1 stop

C$ 1,087Multiple Airlines

Sat, 1 Aug - Sat, 8 Aug

7:20 p.m. - 10:30 a.m.

YUL

ISP

15h 10m

1 stop

3:05 p.m. - 6:15 p.m.

ISP

YUL

27h 10m

1 stop

C$ 1,115Multiple Airlines

Fri, 31 Jul - Fri, 7 Aug

4:40 p.m. - 10:30 a.m.

YUL

ISP

17h 50m

2 stops

4:45 p.m. - 7:15 a.m.

ISP

YUL

14h 30m

1 stop

C$ 1,134Multiple Airlines

Sat, 11 Jul - Thu, 16 Jul

7:20 p.m. - 10:30 a.m.

YUL

ISP

15h 10m

1 stop

4:45 p.m. - 6:15 p.m.

ISP

YUL

25h 30m

1 stop

C$ 1,144Multiple Airlines

Sat, 11 Jul - Thu, 16 Jul

4:40 p.m. - 10:30 a.m.

YUL

ISP

17h 50m

2 stops

4:45 p.m. - 7:15 a.m.

ISP

YUL

14h 30m

1 stop

C$ 1,171Multiple Airlines

Sat, 11 Jul - Thu, 16 Jul

4:40 p.m. - 10:30 a.m.

YUL

ISP

17h 50m

2 stops

2:11 p.m. - 10:10 p.m.

ISP

YUL

7h 59m

2 stops

C$ 1,366Multiple Airlines

Sat, 11 Jul - Thu, 16 Jul

4:40 p.m. - 10:30 a.m.

YUL

ISP

17h 50m

2 stops

2:11 p.m. - 10:10 p.m.

ISP

YUL

7h 59m

2 stops

C$ 1,393Multiple Airlines

Sat, 11 Jul - Thu, 16 Jul

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 31/7

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

2 stops27h 08m

Islip Long Island

Fri 7/8

3:05 p.m.-6:15 p.m.

1 stop27h 10m

C$ 1,015

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

7:20 p.m.-12:30 p.m.

1 stop17h 10m

Islip Long Island

Sat 8/8

6:09 p.m.-11:52 p.m.

2 stops29h 43m

C$ 1,084

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 1/8

7:20 p.m.-12:30 p.m.

1 stop17h 10m

Islip Long Island

Sat 8/8

9:00 a.m.-6:15 p.m.

1 stop9h 15m

C$ 1,087

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Fri 31/7

7:20 p.m.-10:30 a.m.

1 stop15h 10m

Islip Long Island

Fri 7/8

3:05 p.m.-6:15 p.m.

1 stop27h 10m

C$ 1,115

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

4:40 p.m.-10:30 a.m.

2 stops17h 50m

Islip Long Island

Thu 16/7

4:45 p.m.-7:15 a.m.

1 stop14h 30m

C$ 1,134

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

7:20 p.m.-10:30 a.m.

1 stop15h 10m

Islip Long Island

Thu 16/7

4:45 p.m.-6:15 p.m.

1 stop25h 30m

C$ 1,144

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

4:40 p.m.-10:30 a.m.

2 stops17h 50m

Islip Long Island

Thu 16/7

4:45 p.m.-7:15 a.m.

1 stop14h 30m

C$ 1,171

Quickest round-trip

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

4:40 p.m.-10:30 a.m.

2 stops17h 50m

Islip Long Island

Thu 16/7

2:11 p.m.-10:10 p.m.

2 stops7h 59m

C$ 1,366

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

4:40 p.m.-10:30 a.m.

2 stops17h 50m

Islip Long Island

Thu 16/7

2:11 p.m.-10:10 p.m.

2 stops7h 59m

C$ 1,393

Cheapest one-way

MontrealIslip

YUL - ISP

YULISP

Montreal Pierre Elliott Trudeau Intl

Sat 11/7

6:45 a.m.-9:44 p.m.

2 stops14h 59m

C$ 396

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Montreal to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to Islip, New York?

Air Canada, Porter Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Montreal according to our data. Air Canada is the first choice among our users, with 64% of people opting to fly with this airline when travelling to Islip, New York. Keep in mind that there are 6 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

When to book flights from Montreal to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Montreal to Islip, New York (YMQ to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal to Islip, New York

Fastest flight time	17h 10m
Direct flights	None

The fastest flight from Montreal to Islip, New York takes 17h 10m

There are no direct flights from Montreal to Islip, New York. There are no popular flight routes from Montreal to Islip, New York.

Search flight deals

Frequently asked questions about flying from Montreal to Islip, New York

How far is Montreal to Islip Long Island by plane?
Islip Long Island is 530.7 km away from Montreal. In terms of flight time, this usually takes a little over 17h 10m.
When did momondo last update prices for flights from Montreal to Islip Long Island Airport?
Prices for flights from Montreal to Islip Long Island Airport were last updated today.
How old do you have to be to fly from Montreal to Islip Long Island Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Montreal to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Riverhead

Amagansett

Montauk

Why use momondo?

Why should I use momondo to find a flight deal from Montreal to Islip?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Montreal to Islip. momondo saves you time and could save you money on your trip.

Can I find flights from Montreal to Islip with flexible booking policies on momondo?

Yes. All flights to Islip from Montreal on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Montreal to Islip?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Montreal to Islip.

I’m not ready to book a flight from Montreal to Islip right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Islip from Montreal. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.