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$137+ Cheap flights from John F Kennedy Intl, NY (JFK) 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
JFK — ISP
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap 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 March 13, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/8. 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 4/511:00 am
JFK
-
ISP
1 stop8h 04m
Frontier
Sun 4/127:59 pm
ISP
-
JFK
2 stops39h 51m
Frontier
Deal found 3/8$323
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/248:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Tue 3/316:00 am
ISP
-
JFK
1 stop10h 59m
JetBlue
Deal found 3/11$523
This Expedia deal was found by Cheapflights users on 3/8. 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.
Sun 3/158:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Sun 5/312:35 pm
ISP
-
JFK
1 stop9h 17m
JetBlue
Deal found 3/8$533
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 3/151:01 pm
JFK
-
ISP
1 stop23h 32m
Frontier
Sun 5/3110:03 am
ISP
-
JFK
2 stops25h 47m
Frontier
Deal found 3/8$553
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Sat 3/141:11 pm
JFK
-
ISP
1 stop26h 38m
Frontier
Mon 3/161:22 pm
ISP
-
JFK
2 stops19h 41m
Frontier
Deal found 3/11$665
This Expedia deal was found by Cheapflights users on 3/10. 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.
Fri 3/202:00 pm
JFK
-
ISP
1 stop9h 46m
JetBlue
Sun 3/228:25 pm
ISP
-
JFK
1 stop12h 30m
JetBlue
Deal found 3/10$698
This Expedia deal was found by Cheapflights users on 3/10. 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 3/168:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Thu 3/198:25 pm
ISP
-
JFK
1 stop12h 30m
JetBlue
Deal found 3/10$763
This Expedia deal was found by Cheapflights users on 3/12. 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.
Sun 6/76:40 am
JFK
-
ISP
1 stop4h 25m
Multiple Airlines
Sun 6/1412:25 pm
ISP
-
JFK
1 stop10h 26m
Multiple Airlines
Deal found 3/12$814
This Expedia deal was found by Cheapflights users on 3/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/158:00 pm
JFK
-
ISP
1 stop12h 55m
JetBlue
Tue 3/179:45 am
ISP
-
JFK
1 stop12h 05m
JetBlue
Deal found 3/11$823
This Kiwi.com deal was found by Cheapflights users on 3/8. 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 3/81:11 pm
JFK
-
ISP
1 stop23h 22m
Multiple Airlines
Tue 3/1011:59 am
ISP
-
JFK
2 stops27h 30m
Multiple Airlines
Deal found 3/8$870

Find 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$323
(Kiwi.com)

One-way from

$137
(Kiwi.com)
Provider with most accurate pricing for New York John F Kennedy Intl-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York John F Kennedy Intl-Islip Long Island flights.
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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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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 March 13, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 4/5

11:00 am-7:04 pm

1 stop8h 04m

Islip Long Island

Sun 4/12

7:59 pm-11:50 am

2 stops39h 51m

$323

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 3/24

8:00 pm-8:55 am

1 stop12h 55m

Islip Long Island

Tue 3/31

6:00 am-4:59 pm

1 stop10h 59m

$523
Quickest round-trip

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 4/5

1:30 pm-6:44 pm

1 stop5h 14m

Islip Long Island

Sun 4/12

1:05 pm-12:16 am

1 stop11h 11m

$971

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 4/10

8:55 pm-9:08 am

1 stop12h 13m

Islip Long Island

Fri 4/17

5:15 pm-11:56 pm

1 stop6h 41m

$1,039

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 4/10

11:00 am-6:49 pm

1 stop7h 49m

Islip Long Island

Fri 4/17

8:31 pm-11:50 am

2 stops15h 19m

$1,281

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Sun 6/7

11:55 am-7:45 pm

2 stops7h 50m

Islip Long Island

Sun 6/14

12:25 pm-9:35 pm

1 stop9h 10m

$1,301
Cheapest one-way

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 3/26

6:00 am-12:47 pm

2 stops30h 47m

$137

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Fri 5/15

11:30 am-11:17 am

3 stops23h 47m

$180
Quickest one-way

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Tue 8/11

6:50 am-2:11 pm

1 stop7h 21m

$212

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 3/26

6:00 am-1:31 pm

3 stops31h 31m

$219

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from John F Kennedy Intl to Islip

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 John F Kennedy Intl to Islip in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 New York John F Kennedy Intl Airport-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 New York John F Kennedy Intl Airport-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from New York John F Kennedy Intl Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New York John F Kennedy Intl Airport-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 New York John F Kennedy Intl Airport-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 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, New York?

    Airlines like Frontier and JetBlue fly from New York John F Kennedy Intl Airport to Islip, New York in about 8h 04m. The time it takes to get you to your destination can typically vary by up to 4h 51m. The distance from New York John F Kennedy Intl Airport to Islip, New York is about 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.

See more FAQs

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