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Islip

$130+ Cheap flights from New Jersey 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
1 adult, Economy
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Cheap flight deals from New Jersey to Islip

Cheapest flights from New Jersey to Islip
Explore the most affordable flight options available from New Jersey to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 22, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2112:55 pm
LGA
-
ISP
1 stop28h 34m
Multiple Airlines
Mon 7/271:00 pm
ISP
-
LGA
2 stops21h 00m
Multiple Airlines
Deal found 3/20$340
This Kiwi.com deal was found by Cheapflights users on 3/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/211:31 pm
EWR
-
ISP
1 stop21h 46m
Multiple Airlines
Mon 7/271:00 pm
ISP
-
EWR
1 stop27h 30m
Multiple Airlines
Deal found 3/20$342
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Mon 5/188:29 pm
LGA
-
ISP
1 stop14h 31m
Frontier
Mon 5/256:43 pm
ISP
-
LGA
2 stops26h 13m
Frontier
Deal found 3/18$384
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Thu 5/219:16 pm
PHL
-
ISP
1 stop12h 49m
Frontier
Tue 8/1810:03 am
ISP
-
PHL
1 stop14h 41m
Frontier
Deal found 3/18$388
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Mon 5/185:58 pm
EWR
-
ISP
1 stop17h 02m
Multiple Airlines
Mon 5/252:28 pm
ISP
-
EWR
1 stop27h 01m
Multiple Airlines
Deal found 3/18$390
This Kiwi.com deal was found by Cheapflights users on 3/22. 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.
Fri 4/103:54 pm
EWR
-
ISP
1 stop19h 16m
Multiple Airlines
Mon 4/138:45 pm
ISP
-
EWR
1 stop17h 14m
Multiple Airlines
Deal found 3/22$393
This Kiwi.com deal was found by Cheapflights users on 3/18. 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.
Thu 5/219:16 pm
PHL
-
ISP
1 stop12h 49m
Multiple Airlines
Tue 8/185:27 pm
ISP
-
PHL
2 stops25h 36m
Multiple Airlines
Deal found 3/18$398
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Tue 5/196:10 pm
PHL
-
ISP
1 stop15h 55m
Multiple Airlines
Sun 6/287:49 pm
ISP
-
PHL
2 stops43h 48m
Multiple Airlines
Deal found 3/19$419
This Kiwi.com deal was found by Cheapflights users on 3/19. 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 4/37:47 pm
PHL
-
ISP
1 stop15h 23m
Multiple Airlines
Tue 4/76:00 am
ISP
-
PHL
2 stops18h 54m
Multiple Airlines
Deal found 3/19$420
This Kiwi.com deal was found by Cheapflights users on 3/19. 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.
Sat 4/188:25 pm
LGA
-
ISP
1 stop12h 48m
Multiple Airlines
Sat 4/2511:50 am
ISP
-
LGA
2 stops10h 25m
Multiple Airlines
Deal found 3/19$444
This Priceline deal was found by Cheapflights users on 3/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:50 am
JFK
-
ISP
1 stop8h 40m
JetBlue
Mon 5/49:04 pm
ISP
-
JFK
1 stop11h 51m
JetBlue
Deal found 3/18$470
This Priceline deal was found by Cheapflights users on 3/18. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:35 am
JFK
-
ISP
1 stop6h 55m
JetBlue
Sun 5/39:04 pm
ISP
-
JFK
1 stop11h 51m
JetBlue
Deal found 3/18$479

Find flight deals from New Jersey to Islip

Keep the following information in mind while searching for New Jersey to Islip flight deals. Data was last updated March 22, 2026.

Round-trip from

$340
(Kiwi.com)

One-way from

$130
(Kiwi.com)
From New Jersey to Islip Long Island
Search Deals
One-way flight from New Jersey to Islip Long Island
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Jersey 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 22, 2026.
Use the filters below to find and compare flights from New Jersey to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Tue 7/21

12:55 pm-5:29 pm

1 stop28h 34m

Islip Long Island

Mon 7/27

1:00 pm-10:00 am

2 stops21h 00m

$340

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 7/21

1:31 pm-11:17 am

1 stop21h 46m

Islip Long Island

Mon 7/27

1:00 pm-4:30 pm

1 stop27h 30m

$342

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 5/18

8:29 pm-11:00 am

1 stop14h 31m

Islip Long Island

Mon 5/25

6:43 pm-8:56 pm

2 stops26h 13m

$384

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Thu 5/21

9:16 pm-10:05 am

1 stop12h 49m

Islip Long Island

Tue 8/18

10:03 am-12:44 am

1 stop14h 41m

$388

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 5/18

5:58 pm-11:00 am

1 stop17h 02m

Islip Long Island

Mon 5/25

2:28 pm-5:29 pm

1 stop27h 01m

$390

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 4/10

3:54 pm-11:10 am

1 stop19h 16m

Islip Long Island

Mon 4/13

8:45 pm-1:59 pm

1 stop17h 14m

$393

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Thu 5/21

9:16 pm-10:05 am

1 stop12h 49m

Islip Long Island

Tue 8/18

5:27 pm-7:03 pm

2 stops25h 36m

$398

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 4/3

7:47 pm-11:10 am

1 stop15h 23m

Islip Long Island

Tue 4/7

6:00 am-12:54 am

2 stops18h 54m

$420

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 4/18

8:25 pm-9:13 am

1 stop12h 48m

Islip Long Island

Sat 4/25

11:50 am-10:15 pm

2 stops10h 25m

$444

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 4/30

9:35 am-4:30 pm

1 stop6h 55m

Islip Long Island

Sun 5/3

9:04 pm-8:55 am

1 stop11h 51m

$479

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 42 resultsSorted by cheapest first
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Best time to book a flight from New Jersey to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from New Jersey 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 New Jersey to Islip
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from New Jersey 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 Jersey?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from New Jersey. Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from New Jersey to Islip, New York?

    Departing from New Jersey to Islip, New York will take you 6h 55m. New Jersey and Islip, New York are separated by a distance of 37 mi. This flight may include one or multiple stops.

  • What are the most popular routes from New Jersey to Islip, New York?

    The most popular route from New Jersey to Islip, New York is New York John F Kennedy Intl - Islip Long Island. You may also consider New York LaGuardia - Islip Long Island or Newark - Islip Long Island.

  • Can I find deals for flights from New Jersey to Islip that include hotel bookings?

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

  • How can I find direct flights from New Jersey to Islip?

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

  • Can I find deals for business class flights from New Jersey to Islip?

    Yes. Cheapflights offers flight deals from New Jersey 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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Alternative routes for New Jersey to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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