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$153+ Cheap flights from Islip, NY (ISP) to New Jersey

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Aug 10 — Aug 171
Mon 8/10
Mon 8/17
1 adult, Economy
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Cheap flight deals from Islip to New Jersey

Cheapest flights from Islip to New Jersey
Explore the most affordable flight options available from Islip to New Jersey. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:13 pm
ISP
-
PHL
1 stop8h 07m
Frontier
Mon 10/55:57 pm
PHL
-
ISP
1 stop15h 36m
Frontier
Deal found 7/10$244
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/34:13 pm
ISP
-
PHL
1 stop8h 07m
Multiple Airlines
Mon 10/55:28 pm
PHL
-
ISP
2 stops17h 52m
Multiple Airlines
Deal found 7/10$247
This Kiwi.com deal was found by Cheapflights users on 7/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:09 pm
ISP
-
PHL
2 stops25h 19m
Frontier
Thu 8/277:20 am
PHL
-
ISP
1 stop10h 54m
Frontier
Deal found 7/10$255
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/42:22 pm
ISP
-
LGA
2 stops8h 21m
Multiple Airlines
Tue 8/118:29 pm
LGA
-
ISP
1 stop13h 24m
Multiple Airlines
Deal found 7/7$333
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/102:28 pm
ISP
-
PHL
1 stop20h 47m
Multiple Airlines
Sun 7/1211:03 am
PHL
-
ISP
1 stop26h 25m
Multiple Airlines
Deal found 7/6$359
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/710:57 am
ISP
-
PHL
1 stop21h 55m
Frontier
Fri 8/144:40 pm
PHL
-
ISP
2 stops17h 13m
Frontier
Deal found 7/9$361
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/212:28 pm
ISP
-
PHL
2 stops10h 48m
Multiple Airlines
Sun 8/235:32 pm
PHL
-
ISP
1 stop19h 56m
Multiple Airlines
Deal found 7/7$364
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 8/97:49 pm
ISP
-
PHL
2 stops23h 31m
Multiple Airlines
Thu 8/139:16 pm
PHL
-
ISP
1 stop12h 37m
Multiple Airlines
Deal found 7/7$383
This Kiwi.com deal was found by Cheapflights users on 7/7. 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 9/104:13 pm
ISP
-
PHL
1 stop8h 07m
Multiple Airlines
Fri 9/116:06 pm
PHL
-
ISP
2 stops17h 14m
Multiple Airlines
Deal found 7/7$389
This Kiwi.com deal was found by Cheapflights users on 7/9. 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 8/710:57 am
ISP
-
PHL
2 stops21h 42m
Frontier
Thu 8/139:16 pm
PHL
-
ISP
1 stop12h 37m
Frontier
Deal found 7/9$390
This Kiwi.com deal was found by Cheapflights users on 7/6. 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 7/102:28 pm
ISP
-
PHL
1 stop20h 47m
Multiple Airlines
Sat 7/186:33 pm
PHL
-
ISP
2 stops23h 33m
Multiple Airlines
Deal found 7/6$396
This JetBlue deal was found by Cheapflights users on 7/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Wed 9/212:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Deal found 7/10$405

Find flight deals from Islip to New Jersey

Keep the following information in mind while searching for Islip to New Jersey flight deals. Data was last updated July 11, 2026.

Round-trip from

$244
(Kiwi.com)

One-way from

$153
(Kiwi.com)
From Islip Long Island to New Jersey
Search Deals
One-way flight from Islip Long Island to New Jersey
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to New Jersey 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 July 11, 2026.
Use the filters below to find and compare flights from Islip to New Jersey that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 10/3

4:13 pm-12:20 am

1 stop8h 07m

Philadelphia

Mon 10/5

5:57 pm-9:33 am

1 stop15h 36m

$244

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 10/3

4:13 pm-12:20 am

1 stop8h 07m

Philadelphia

Mon 10/5

5:28 pm-11:20 am

2 stops17h 52m

$247

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 8/20

7:09 pm-8:28 pm

2 stops25h 19m

Philadelphia

Thu 8/27

7:20 am-6:14 pm

1 stop10h 54m

$255

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 8/4

2:22 pm-10:43 pm

2 stops8h 21m

New York LaGuardia

Tue 8/11

8:29 pm-9:53 am

1 stop13h 24m

$333

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 8/18

10:57 am-11:59 pm

1 stop13h 02m

Philadelphia

Wed 8/19

5:16 pm-9:53 am

1 stop16h 37m

$361

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 8/21

2:28 pm-1:16 am

2 stops10h 48m

Philadelphia

Sun 8/23

5:32 pm-1:28 pm

1 stop19h 56m

$364

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sun 8/9

7:49 pm-7:20 pm

2 stops23h 31m

Philadelphia

Thu 8/13

9:16 pm-9:53 am

1 stop12h 37m

$383

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 9/10

4:13 pm-12:20 am

1 stop8h 07m

Philadelphia

Fri 9/11

6:06 pm-11:20 am

2 stops17h 14m

$389

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 8/7

10:57 am-8:39 am

2 stops21h 42m

Philadelphia

Thu 8/13

9:16 pm-9:53 am

1 stop12h 37m

$390

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 9/1

6:00 am-1:32 pm

1 stop7h 32m

New York LaGuardia

Wed 9/2

12:00 pm-9:44 pm

1 stop9h 44m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 37 resultsSorted by cheapest first
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Best time to book a flight from Islip to New Jersey

Have a flexible travel schedule? Discover the best time to fly to New Jersey 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to New Jersey
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 Islip to New Jersey. 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 Jersey?

    Islip Long Island (ISP) is the airport you will fly out of if you book a flight from Islip to New Jersey. 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 Jersey?

    Frontier and JetBlue can get you from Islip, New York to New Jersey in just under 7h 32m. Your travel time can differ by up to 35m. Airlines will cover a distance of 41 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Islip, New York to New Jersey are Islip Long Island - New York John F Kennedy Intl, Islip Long Island - New York LaGuardia and Islip Long Island - Philadelphia.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to New Jersey 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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