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John F Kennedy Intl

$90+ Cheap flights from Islip (ISP) to John F Kennedy Intl, NY (JFK)

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — JFK
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Islip to John F Kennedy Intl

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to John F Kennedy Intl (JFK). 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 August 20, 2025.

Round-trip from

$179
(Kiwi.com)

One-way from

$163
(Kiwi.com)
From Islip Long Island to New York John F Kennedy Intl
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One-way flight from Islip Long Island to New York John F Kennedy Intl
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Find flight deals from Islip to John F Kennedy Intl

Cheapest flights from Islip to John F Kennedy Intl
Explore the most affordable flight options available from Islip to John F Kennedy Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/19. 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 9/38:00 amISP - JFK
1 stop26h 24mFrontier
Sun 9/76:59 amJFK - ISP
1 stop27h 41mFrontier
Deal found 8/19$179
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/265:05 pmISP - JFK
1 stop17h 21mFrontier
Tue 9/306:59 amJFK - ISP
1 stop27h 41mFrontier
Deal found 8/18$195
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 10/45:05 pmISP - JFK
1 stop17h 21mFrontier
Tue 10/76:59 amJFK - ISP
1 stop13h 43mFrontier
Deal found 8/18$212
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/265:05 pmISP - JFK
2 stops18h 53mMultiple Airlines
Tue 9/306:59 amJFK - ISP
1 stop27h 41mMultiple Airlines
Deal found 8/18$256
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/84:58 pmISP - JFK
1 stop17h 26mFrontier
Sun 10/126:59 amJFK - ISP
1 stop13h 53mFrontier
Deal found 8/18$286
This Priceline deal was found by Cheapflights users on 8/20. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/44:19 pmISP - JFK
1 stop6h 40mJetBlue
Mon 9/86:30 amJFK - ISP
1 stop8h 53mJetBlue
Deal found 8/20$293
This JetBlue deal was found by Cheapflights users on 8/18. 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.
Thu 9/44:19 pmISP - JFK
1 stop6h 40mJetBlue
Wed 9/108:20 amJFK - ISP
1 stop7h 03mJetBlue
Deal found 8/18$373
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sun 8/247:43 pmISP - JFK
2 stops35h 46mFrontier
Sun 8/316:59 amJFK - ISP
1 stop17h 00mFrontier
Deal found 8/18$453
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 8/299:58 amISP - JFK
2 stops15h 35mFrontier
Sun 8/316:59 amJFK - ISP
1 stop17h 00mFrontier
Deal found 8/19$546

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to John F Kennedy Intl 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 August 20, 2025.
Use the filters below to find and compare flights from Islip to New York John F Kennedy Intl Airport that are best for you.

Fly from

Islip

Fly to

John F Kennedy Intl

Route

Depart

Return

Price

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 9/3

8:00 am-10:24 am

1 stop26h 24m

New York John F Kennedy Intl

Sun 9/7

6:59 am-10:40 am

1 stop27h 41m

$179

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 9/26

5:05 pm-10:26 am

1 stop17h 21m

New York John F Kennedy Intl

Tue 9/30

6:59 am-10:40 am

1 stop27h 41m

$195

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 10/4

5:05 pm-10:26 am

1 stop17h 21m

New York John F Kennedy Intl

Tue 10/7

6:59 am-8:42 pm

1 stop13h 43m

$212

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 9/26

5:05 pm-11:58 am

2 stops18h 53m

New York John F Kennedy Intl

Tue 9/30

6:59 am-10:40 am

1 stop27h 41m

$256

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 10/8

4:58 pm-10:24 am

1 stop17h 26m

New York John F Kennedy Intl

Sun 10/12

6:59 am-8:52 pm

1 stop13h 53m

$286

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 9/4

4:19 pm-10:59 pm

1 stop6h 40m

New York John F Kennedy Intl

Mon 9/8

6:30 am-3:23 pm

1 stop8h 53m

$293

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 9/4

4:19 pm-10:59 pm

1 stop6h 40m

New York John F Kennedy Intl

Wed 9/10

8:20 am-3:23 pm

1 stop7h 03m

$373

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 9/1

1:21 pm-4:37 pm

1 stop27h 16m

New York John F Kennedy Intl

Fri 9/5

6:30 am-3:23 pm

1 stop8h 53m

$721

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 12/24

9:21 am-7:59 pm

1 stop10h 38m

New York John F Kennedy Intl

Sun 12/28

11:00 am-6:44 pm

1 stop7h 44m

$1,012

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 12/24

9:21 am-7:59 pm

1 stop10h 38m

New York John F Kennedy Intl

Sat 12/27

11:00 am-6:44 pm

1 stop7h 44m

$1,168

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Showing 1-10 of 15 results
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Best time to book a flight from Islip to John F Kennedy Intl

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

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to New York John F Kennedy Intl. You should not have trouble finding flights to New York John F Kennedy Intl from Long Island; the airport handles an average of 0 outbound flights to New York John F Kennedy Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Islip airport to New York John F Kennedy Intl. It is only a 7.2 mi journey to Long Island (ISP) from Islip’s city center.

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

    Frontier can get you from Islip to New York John F Kennedy Intl Airport in just under 26h 24m. Your travel time can differ by up to . Airlines will cover a distance of 37 mi.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Islip to New York John F Kennedy Intl Airport (average of $236). Flying from Islip to New York John F Kennedy Intl Airport in June is currently the most expensive (average of $313). 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 New York John F Kennedy Intl Airport?

Book flights to New York John F Kennedy Intl Airport if you plan to visit one of these locations
Queens
Bronx
Elizabeth
Secaucus
Yonkers
Ronkonkoma
Mahwah
Absecon
East Rutherford
North Bergen
Staten Island
Parsippany
New Brunswick
Stamford
Carle Place
Westbury
Hoboken
East Brunswick
Avenel
Paterson

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