HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
John F Kennedy Intl

$151+ Cheap flights from Islip, NY (ISP) to John F Kennedy Intl, NY (JFK)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — JFK
Dec 23 — Dec 301
Tue 12/23
Tue 12/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to John F Kennedy Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$151
(Kiwi.com)
Provider with most accurate pricing for Islip Long Island-New York John F Kennedy Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-New York John F Kennedy Intl flights.
Search Deals
From Islip Long Island to New York John F Kennedy Intl
Search Deals

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 November 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/22. 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.
Mon 12/810:19 amISP - JFK
2 stops14h 40mMultiple Airlines
Fri 12/126:59 amJFK - ISP
1 stop12h 35mMultiple Airlines
Deal found 11/22$275
This Kiwi.com deal was found by Cheapflights users on 11/21. 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 11/2611:03 amISP - JFK
1 stop22h 59mFrontier
Wed 12/36:59 amJFK - ISP
1 stop26h 14mFrontier
Deal found 11/21$293
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 12/711:15 amISP - JFK
1 stop22h 45mFrontier
Thu 12/111:00 pmJFK - ISP
2 stops30h 34mFrontier
Deal found 11/22$341
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
Thu 12/252:19 pmISP - JFK
2 stops19h 41mMultiple Airlines
Fri 1/21:24 pmJFK - ISP
1 stop10h 35mMultiple Airlines
Deal found 11/21$370
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 12/216:15 amISP - JFK
1 stop30h 14mFrontier
Sun 12/281:24 pmJFK - ISP
1 stop10h 35mFrontier
Deal found 11/23$421
This eDestinos deal was found by Cheapflights users on 11/21. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:40 pmISP - JFK
1 stop15h 20mFrontier
Sat 12/276:00 amJFK - ISP
1 stop18h 55mFrontier
Deal found 11/21$438
This Kiwi.com deal was found by Cheapflights users on 11/23. 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 12/2111:40 amISP - JFK
2 stops24h 49mMultiple Airlines
Sun 12/281:24 pmJFK - ISP
1 stop10h 35mMultiple Airlines
Deal found 11/23$462
This Expedia deal was found by Cheapflights users on 11/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2910:46 amISP - JFK
1 stop11h 26mJetBlue
Tue 12/308:47 pmJFK - ISP
1 stop13h 14mJetBlue
Deal found 11/21$498
This Kiwi.com deal was found by Cheapflights users on 11/22. 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 12/206:00 amISP - JFK
1 stop30h 29mMultiple Airlines
Sat 12/271:24 pmJFK - ISP
2 stops21h 36mMultiple Airlines
Deal found 11/22$512

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 November 23, 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

Sun 1/11

8:40 pm-10:00 am

1 stop13h 20m

New York John F Kennedy Intl

Tue 1/13

6:30 am-10:46 pm

1 stop16h 16m

$151

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 1/10

7:56 pm-10:00 am

1 stop14h 04m

New York John F Kennedy Intl

Tue 1/13

6:30 am-10:46 pm

1 stop16h 16m

$167

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 1/10

7:56 pm-10:00 am

1 stop14h 04m

New York John F Kennedy Intl

Mon 1/12

6:30 am-7:51 pm

1 stop13h 21m

$207

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 12/8

10:19 am-12:59 am

2 stops14h 40m

New York John F Kennedy Intl

Fri 12/12

6:59 am-7:34 pm

1 stop12h 35m

$275

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 1/10

7:56 pm-10:00 am

1 stop14h 04m

New York John F Kennedy Intl

Mon 1/12

6:25 am-6:40 pm

2 stops12h 15m

$293

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sun 12/7

11:15 am-10:00 am

1 stop22h 45m

New York John F Kennedy Intl

Thu 12/11

1:00 pm-7:34 pm

2 stops30h 34m

$341

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 12/25

2:19 pm-10:00 am

2 stops19h 41m

New York John F Kennedy Intl

Fri 1/2

1:24 pm-11:59 pm

1 stop10h 35m

$370

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sun 12/21

6:15 am-12:29 pm

1 stop30h 14m

New York John F Kennedy Intl

Sun 12/28

1:24 pm-11:59 pm

1 stop10h 35m

$421

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 12/20

6:40 pm-10:00 am

1 stop15h 20m

New York John F Kennedy Intl

Sat 12/27

6:00 am-12:55 am

1 stop18h 55m

$438

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 12/29

10:46 am-10:12 pm

1 stop11h 26m

New York John F Kennedy Intl

Tue 12/30

8:47 pm-10:01 am

1 stop13h 14m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 13 results
1
2

Compare providers for flights from Islip to John F Kennedy Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to John F Kennedy Intl in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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

    Frontier can get you from Islip, New York to New York John F Kennedy Intl Airport in just under 13h 20m. Your travel time can differ by up to . The distance from Islip, New York to New York John F Kennedy Intl Airport is about 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.

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
Mahwah
Yonkers
Ronkonkoma
Secaucus
North Bergen
Elizabeth
Stamford
East Rutherford
Staten Island
Edgewater
New Brunswick
Seaside Heights
Absecon
Carle Place
Parsippany
Shelton
Avenel
Paterson

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Islip to John F Kennedy Intl

See prices for flight routes from nearby airports that may be better suited for you.
Buffalo to John F Kennedy Intl flights
Buffalo to LaGuardia flights
Rochester to John F Kennedy Intl flights
Rochester to LaGuardia flights
Buffalo to Newark flights
Rochester to Newark flights
Syracuse to John F Kennedy Intl flights
Syracuse to Newark flights
Syracuse to LaGuardia flights
Albany to John F Kennedy Intl flights
Albany to LaGuardia flights
Albany to Newark flights
Rochester to Stewart flights
White Plains to LaGuardia flights
Ithaca to John F Kennedy Intl flights
Saranac Lake to John F Kennedy Intl flights
Ithaca to LaGuardia flights
Ithaca to Newark flights
White Plains to Newark flights
Syracuse to Stewart flights
Watertown to John F Kennedy Intl flights
Elmira to Newark flights
Buffalo to Stewart flights
Watertown to LaGuardia flights
Binghamton to John F Kennedy Intl flights
Plattsburgh to Newark flights
Islip to Stewart flights
Binghamton to Newark flights
Plattsburgh to LaGuardia flights
Binghamton to LaGuardia flights
White Plains to Stewart flights
Ithaca to Stewart flights
Elmira to Stewart flights
Niagara Falls to LaGuardia flights
Albany to Stewart flights
Plattsburgh to Stewart flights
Ogdensburg to Newark flights
Saranac Lake to Newark flights
Watertown to Stewart flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.