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 KIN to ISP?

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

Most accurate provider : When it comes to deals on Kingston-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kingston-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kingston-Islip, New York flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Kingston-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kingston-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

How can I find direct flights from Kingston to Islip?

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

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

Yes. Cheapflights offers flight deals from Kingston 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.

$468+ Flights from Kingston to Islip, NY

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Cheap flight deals from Kingston to Islip

Best flights from Kingston to Islip
Discover carefully curated flight deals from Kingston to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sun 1/251:17 pmKIN - ISP

1 stop22h 16mMultiple Airlines

Sun 2/112:25 pmISP - KIN

1 stop23h 47mMultiple Airlines

Deal found 12/11

$518

Last-minute flights from Kingston to Islip
Discover last-minute flight deals from Kingston to Islip. Data last updated December 12, 2025 and is based on user searches.

Sun 1/251:17 pmKIN - ISP

1 stop22h 16mMultiple Airlines

Sun 2/112:25 pmISP - KIN

1 stop23h 47mMultiple Airlines

Deal found 12/11

$518

One-way flights from Kingston to Islip
Search for one-way flight options from Kingston to Islip. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Wed 12/316:00 amKIN - ISP

1 stop12h 45mJetBlue

Deal found 12/10

$468

Mon 1/56:00 amKIN - ISP

1 stop12h 45mJetBlue

Deal found 12/10

$769

Sat 1/36:00 amKIN - ISP

1 stop12h 55mJetBlue

Deal found 12/10

$1,065

Sun 1/46:00 amKIN - ISP

1 stop12h 45mJetBlue

Deal found 12/10

$1,167

Find flight deals from Kingston to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$518 (Trip.com)
One-way from	$468 (JetBlue)
Popular in	April
Cheapest in	September
Average price	$416

Provider with most accurate pricing for Kingston Norman Manley-Islip Long Island flight deals.

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Provider most trusted by Cheapflights users for Kingston Norman Manley-Islip Long Island flights.

Search Deals

From Kingston Norman Manley to Islip Long Island

Search Deals

One-way flight from Kingston Norman Manley to Islip Long Island

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($23 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

KingstonIslip

KIN - ISP

KINISP

Kingston Norman Manley

Sun 1/25

1:17 pm-11:33 am

1 stop22h 16m

Islip Long Island

Sun 2/1

12:25 pm-12:12 pm

1 stop23h 47m

$518

KingstonIslip

KIN - ISP

KINISP

Kingston Norman Manley

Wed 12/31

6:00 am-6:45 pm

1 stop12h 45m

$468

KingstonIslip

KIN - ISP

KINISP

Kingston Norman Manley

Mon 1/5

6:00 am-6:45 pm

1 stop12h 45m

$769

KingstonIslip

KIN - ISP

KINISP

Kingston Norman Manley

Sat 1/3

6:00 am-6:55 pm

1 stop12h 55m

$1,065

KingstonIslip

KIN - ISP

KINISP

Kingston Norman Manley

Sun 1/4

6:00 am-6:45 pm

1 stop12h 45m

$1,167

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Most accurate provider: When it comes to deals on Kingston-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kingston-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kingston-Islip, New York flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Kingston-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kingston-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kingston to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Kingston 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 Kingston to Islip

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

Currently, March is the cheapest month in which you can book a flight from Kingston to Islip, New York (average of $194). Flying from Kingston to Islip, New York in September is currently the most expensive (average of $335). 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

Can I find deals for flights from Kingston to Islip that include hotel bookings?
Yes. In addition to deals on Kingston to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kingston to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kingston to Islip.
Can I find deals for business class flights from Kingston to Islip?
Yes. Cheapflights offers flight deals from Kingston 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 Kingston to Islip, New York?
Currently, March is the cheapest month in which you can book a flight from Kingston to Islip, New York (average of $194). Flying from Kingston to Islip, New York in September is currently the most expensive (average of $335). 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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$468+ Cheap flights from Kingston (KIN) 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kingston to Islip with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Kingston to Islip

Best flights from Kingston to IslipDiscover carefully curated flight deals from Kingston to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Discover carefully curated flight deals from Kingston to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Find flight deals from Kingston to Islip

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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

Best time to book a flight from Kingston to Islip

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

Cheapflights Insights

Everything you need to know about your flight from Kingston to Islip

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

Related info for your journey

Find useful and relevant information for your journey from Kingston to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Kingston to Islip?

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

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

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Best flights from Kingston to Islip
Discover carefully curated flight deals from Kingston to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.