In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest time of day to fly from LAW to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Grand Cayman to Islip, New York as you normally would.

What airport do you fly into for flights to Islip from Grand Cayman?

Islip Long Island (ISP) is the airport you will fly into if you book a flight from Grand Cayman to Islip. It is only a 7.2 mi journey from Long Island (ISP) to Islip’s city center.

Can I find deals for flights from Grand Cayman to Islip that include hotel bookings?

Yes. In addition to deals on Grand Cayman to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Grand Cayman to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Cayman to Islip.

Can I find deals for business class flights from Grand Cayman to Islip?

Yes. Cheapflights offers flight deals from Grand Cayman to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$389+ Flights from Grand Cayman to Islip, NY

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One-way flights from Grand Cayman to Islip
Search for one-way flight options from Grand Cayman to Islip. Find affordable one-way fares based on user searches. Data last updated January 20, 2026.

Sat 4/42:20 pm

GCM

ISP

1 stop7h 26m

JetBlue

Deal found 1/19

$389

Find flight deals from Grand Cayman to Islip

Most accurate provider	Mytrip 3 stars
Most trusted provider	Mytrip 3 stars
Popular in	July
Cheapest in	March
Average price	$363

Provider with most accurate pricing for George Town Owen Roberts Intl-New York (NYC) flight deals.

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Provider most trusted by Cheapflights users for George Town Owen Roberts Intl-New York (NYC) flights.

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Highest demand for flights based on searches. 15% potential increase in price ($69 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in January 2026

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George TownIslip

GCM - ISP

GCMISP

George Town Owen Roberts Intl

Sat 4/4

2:20 pm-10:46 pm

1 stop7h 26m

$389

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Best time to book a flight from Grand Cayman to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Grand Cayman 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.

Cheapflights Insights

Everything you need to know about your flight from Grand Cayman to Islip

What is the cheapest month to book a flight from Grand Cayman to Islip, New York?

Currently, November is the cheapest month in which you can book a flight from Grand Cayman to Islip, New York (average of $91). Flying from Grand Cayman to Islip, New York in June is currently the most expensive (average of $493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Islip from Grand Cayman?
Islip Long Island (ISP) is the airport you will fly into if you book a flight from Grand Cayman to Islip. It is only a 7.2 mi journey from Long Island (ISP) to Islip’s city center.
Can I find deals for flights from Grand Cayman to Islip that include hotel bookings?
Yes. In addition to deals on Grand Cayman to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Grand Cayman to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Grand Cayman to Islip.
Can I find deals for business class flights from Grand Cayman to Islip?
Yes. Cheapflights offers flight deals from Grand Cayman to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Grand Cayman to Islip, New York?
Currently, November is the cheapest month in which you can book a flight from Grand Cayman to Islip, New York (average of $91). Flying from Grand Cayman to Islip, New York in June is currently the most expensive (average of $493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$389+ Cheap flights from Grand Cayman to Islip, NY (ISP)

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Grand Cayman to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Grand Cayman to Islip

One-way flights from Grand Cayman to IslipSearch for one-way flight options from Grand Cayman to Islip. Find affordable one-way fares based on user searches. Data last updated January 20, 2026.

Search for one-way flight options from Grand Cayman to Islip. Find affordable one-way fares based on user searches. Data last updated January 20, 2026.

Find flight deals from Grand Cayman to Islip

Keep the following information in mind while searching for Grand Cayman to Islip flight deals. Data was last updated January 20, 2026.

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Popular in

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Use the filters below to find and compare flights from Grand Cayman to Islip that are best for you.

Best time to book a flight from Grand Cayman to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Grand Cayman with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Grand Cayman to Islip

What is the cheapest month to book a flight from Grand Cayman to Islip, New York?

Related info for your journey

Find useful and relevant information for your journey from Grand Cayman to Islip. 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 into for flights to Islip from Grand Cayman?

Can I find deals for flights from Grand Cayman to Islip that include hotel bookings?

How can I find direct flights from Grand Cayman to Islip?

Can I find deals for business class flights from Grand Cayman to Islip?

What is the cheapest month to book a flight from Grand Cayman to Islip, New York?

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One-way flights from Grand Cayman to Islip
Search for one-way flight options from Grand Cayman to Islip. Find affordable one-way fares based on user searches. Data last updated January 20, 2026.