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$183+ Cheap flights from John F Kennedy Intl, NY (JFK) to Islip (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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — ISP
Oct 13 — Oct 201
Mon 10/13
Mon 10/20
1 adult, Economy
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Cheap flight deals from John F Kennedy Intl to Islip

Discover tips and strategies to find the most affordable flight options for your journey from John F Kennedy Intl (JFK) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 13, 2025.

Round-trip from

$294
(Trip.com)

One-way from

$183
(Kiwi.com)
From New York John F Kennedy Intl to Islip Long Island
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One-way flight from New York John F Kennedy Intl to Islip Long Island
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Find flight deals from John F Kennedy Intl to Islip

Cheapest flights from John F Kennedy Intl to Islip
Explore the most affordable flight options available from John F Kennedy Intl to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 13, 2025.

This Trip.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:59 amJFK - ISP
1 stop13h 43mFrontier
Thu 10/169:37 pmISP - JFK
1 stop12h 47mFrontier
Deal found 9/11$294
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:30 amJFK - ISP
2 stops35h 26mMultiple Airlines
Thu 11/2010:02 amISP - JFK
1 stop24h 00mMultiple Airlines
Deal found 9/13$455
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:00 amJFK - ISP
1 stop25h 02mFrontier
Sun 11/308:25 pmISP - JFK
1 stop13h 37mFrontier
Deal found 9/11$529
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2111:55 amJFK - ISP
2 stops8h 06mMultiple Airlines
Sun 11/308:25 pmISP - JFK
1 stop13h 37mMultiple Airlines
Deal found 9/11$1,150
This JetBlue deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:17 pmJFK - ISP
1 stop7h 15mJetBlue
Sun 11/3010:45 amISP - JFK
1 stop7h 13mJetBlue
Deal found 9/11$1,557

Cheapflights Fare Finder

 
Customize your flight search to find flights from John F Kennedy Intl to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 13, 2025.
Use the filters below to find and compare flights from New York John F Kennedy Intl Airport to Islip that are best for you.

Fly from

John F Kennedy Intl

Fly to

Islip

Route

Depart

Return

Price

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 10/9

6:59 am-8:42 pm

1 stop13h 43m

Islip Long Island

Thu 10/16

9:37 pm-10:24 am

1 stop12h 47m

$294

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Wed 10/29

7:30 am-6:56 pm

2 stops35h 26m

Islip Long Island

Thu 11/20

10:02 am-10:02 am

1 stop24h 00m

$455

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 11/21

7:00 am-8:02 am

1 stop25h 02m

Islip Long Island

Sun 11/30

8:25 pm-10:02 am

1 stop13h 37m

$529

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 1/30

6:20 am-5:37 pm

1 stop11h 17m

Islip Long Island

Sun 2/1

12:05 pm-9:54 pm

1 stop9h 49m

$594

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 11/21

11:55 am-8:01 pm

2 stops8h 06m

Islip Long Island

Sun 11/30

8:25 pm-10:02 am

1 stop13h 37m

$1,150

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sat 2/14

7:00 am-5:37 pm

1 stop10h 37m

Islip Long Island

Sat 2/21

11:15 am-9:47 pm

1 stop10h 32m

$1,218

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Wed 11/26

12:17 pm-7:32 pm

1 stop7h 15m

Islip Long Island

Sun 11/30

10:45 am-5:58 pm

1 stop7h 13m

$1,557

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 9/23

6:59 am-10:40 am

1 stop27h 41m

$183

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 9/23

11:50 pm-10:40 am

3 stops58h 50m

$977

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from John F Kennedy Intl to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from John F Kennedy Intl 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.

Related info for your journey

Find useful and relevant information for your journey from John F Kennedy Intl 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 New York John F Kennedy Intl?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from New York John F Kennedy Intl. On average, Long Island has 0 inbound flights from New York John F Kennedy Intl per day from 0 airlines. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from New York John F Kennedy Intl Airport to Islip?

    A quick flight from New York John F Kennedy Intl Airport to Islip can take about 11h 17m. Frontier provides one of the quickest options available for as low as $594. New York John F Kennedy Intl Airport and Islip are separated by a distance of 37 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from John F Kennedy Intl to Islip that include hotel bookings?

    Yes. In addition to deals on John F Kennedy Intl to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from John F Kennedy Intl to Islip?

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

  • Can I find deals for business class flights from John F Kennedy Intl to Islip?

    Yes. Cheapflights offers flight deals from John F Kennedy Intl 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 New York John F Kennedy Intl Airport to Islip?

    Currently, January is the cheapest month in which you can book a flight from New York John F Kennedy Intl Airport to Islip (average of $108). Flying from New York John F Kennedy Intl Airport to Islip in November is currently the most expensive (average of $213). 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.

See more FAQs

Traveling to a place near Islip?

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Alternative routes for John F Kennedy Intl to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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Stewart to White Plains flights
Stewart to Binghamton flights
Newark to Rutland flights
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LaGuardia to Saranac Lake flights
Stewart to Albany flights

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