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

The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 435 Cheap Flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York in 2026/27

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to New York

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6:45 a.m. - 9:37 p.m.YUL Montreal Pierre Elliott Trudeau Intl-ISP Islip Long Island

14h 52m2 stops Toronto Pearson Intl Fort Lauderdale

6:00 a.m. - 7:15 p.m.ISP Islip Long Island-YUL Montreal Pierre Elliott Trudeau Intl

13h 15m2 stops Fort Lauderdale Toronto Pearson Intl

C$ 1,664Multiple Airlines

Mon, 26 Oct - Mon, 2 Nov

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Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York that are best for you.

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MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Mon 26/10

6:45 a.m.-9:37 p.m.

2 stops14h 52m

Islip Long Island

Mon 2/11

6:00 a.m.-7:15 p.m.

2 stops13h 15m

C$ 1,664

Cheapest one-way

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

6:45 a.m.-5:31 p.m.

2 stops34h 46m

C$ 435

Quickest one-way

MontrealIslip

YUL Montreal Pierre Elliott Trudeau Intl - ISP Islip Long Island

YULISP

Montreal Pierre Elliott Trudeau Intl

Wed 28/10

9:45 a.m.-5:31 p.m.

3 stops31h 46m

C$ 486

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport according to our data. Air Canada is the first choice among our users, with 70% of people opting to fly with this airline when travelling to Islip, New York. Keep in mind that there are 7 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 Pierre Elliott Trudeau Intl Airport to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport 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 Pierre Elliott Trudeau Intl Airport to Islip, New York (YUL to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York

Best price found	C$ 435
Fastest flight time	14h 52m
Direct flights	None

The best one-way flight to Islip, New York from Montreal Pierre Elliott Trudeau Intl Airport in the past 72 hours is C$ 435. The best round-trip flight deal from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York found on momondo in the last 72 hours is C$ 1,664.

The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York takes 14h 52m

There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York.

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Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to Islip, New York

How far is Montreal Pierre Elliott Trudeau Intl to Islip Long Island by plane?
Montreal Pierre Elliott Trudeau Intl and Islip Long Island are 527.5 km apart from one another. In terms of flight time, this usually takes a little over 14h 52m.
When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip Long Island Airport?
Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to Islip Long Island Airport were last updated today.
How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to Islip Long Island Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Flights from Montreal to Islip with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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