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$181+ 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 7/18. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jun 22 — Jun 291
Mon 6/22
Mon 6/29
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 May 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/167:18 pm
ISP
-
PHL
1 stop15h 53m
Multiple Airlines
Tue 6/235:16 pm
PHL
-
ISP
2 stops27h 41m
Multiple Airlines
Deal found 5/19$370
This Kiwi.com deal was found by Cheapflights users on 5/18. 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 7/19:52 pm
ISP
-
PHL
1 stop10h 59m
Multiple Airlines
Thu 7/96:18 pm
PHL
-
ISP
2 stops39h 40m
Multiple Airlines
Deal found 5/18$388
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/26:02 pm
ISP
-
LGA
2 stops25h 28m
Frontier
Fri 6/58:15 pm
LGA
-
ISP
1 stop14h 00m
Frontier
Deal found 5/19$411
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/2011:57 am
ISP
-
PHL
1 stop11h 32m
Multiple Airlines
Sat 6/2710:01 am
PHL
-
ISP
1 stop7h 28m
Multiple Airlines
Deal found 5/22$417
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 9/84:41 pm
ISP
-
PHL
1 stop8h 03m
Frontier
Sat 9/125:57 pm
PHL
-
ISP
1 stop15h 36m
Frontier
Deal found 5/20$420
This Kiwi.com deal was found by Cheapflights users on 5/20. 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 9/82:08 pm
ISP
-
PHL
2 stops11h 08m
Multiple Airlines
Sat 9/125:57 pm
PHL
-
ISP
1 stop15h 36m
Multiple Airlines
Deal found 5/20$425
This Priceline deal was found by Cheapflights users on 5/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/512:25 pm
ISP
-
JFK
1 stop10h 37m
JetBlue
Tue 6/96:00 am
JFK
-
ISP
1 stop7h 39m
JetBlue
Deal found 5/21$443
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Sun 6/219:52 pm
ISP
-
PHL
1 stop25h 51m
Multiple Airlines
Sun 6/286:30 am
PHL
-
ISP
2 stops30h 58m
Multiple Airlines
Deal found 5/21$444
This Kiwi.com deal was found by Cheapflights users on 5/19. 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.
Thu 6/189:52 pm
ISP
-
PHL
1 stop10h 59m
Frontier
Fri 6/198:37 pm
PHL
-
ISP
2 stops24h 20m
Frontier
Deal found 5/19$446
This Kiwi.com deal was found by Cheapflights users on 5/21. 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.
Fri 6/52:28 pm
ISP
-
PHL
1 stop26h 20m
Multiple Airlines
Tue 6/97:20 am
PHL
-
ISP
1 stop11h 18m
Multiple Airlines
Deal found 5/21$457
This Kiwi.com deal was found by Cheapflights users on 5/19. 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 6/311:00 am
ISP
-
LGA
2 stops12h 14m
Frontier
Sun 6/78:15 pm
LGA
-
ISP
1 stop13h 50m
Frontier
Deal found 5/19$459
This Kiwi.com deal was found by Cheapflights users on 5/22. 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 6/611:57 am
ISP
-
PHL
1 stop6h 53m
Multiple Airlines
Wed 6/1011:59 pm
PHL
-
ISP
2 stops20h 58m
Multiple Airlines
Deal found 5/22$464

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 May 23, 2026.

Round-trip from

$370
(Kiwi.com)

One-way from

$181
(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 May 23, 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

Tue 6/16

7:18 pm-11:11 am

1 stop15h 53m

Philadelphia

Tue 6/23

5:16 pm-8:57 pm

2 stops27h 41m

$370

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 6/2

6:02 pm-7:30 pm

2 stops25h 28m

New York LaGuardia

Fri 6/5

8:15 pm-10:15 am

1 stop14h 00m

$411

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 6/20

11:57 am-11:29 pm

1 stop11h 32m

Philadelphia

Sat 6/27

10:01 am-5:29 pm

1 stop7h 28m

$417

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 9/8

2:08 pm-1:16 am

2 stops11h 08m

Philadelphia

Sat 9/12

5:57 pm-9:33 am

1 stop15h 36m

$425

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Wed 7/1

9:52 pm-8:51 am

1 stop10h 59m

Philadelphia

Thu 7/9

7:13 pm-1:28 pm

1 stop18h 15m

$437

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 6/18

9:52 pm-8:51 am

1 stop10h 59m

Philadelphia

Fri 6/19

8:37 pm-8:57 pm

2 stops24h 20m

$446

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 6/5

2:28 pm-4:48 pm

1 stop26h 20m

Philadelphia

Tue 6/9

7:20 am-6:38 pm

1 stop11h 18m

$457

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 6/3

11:00 am-11:14 pm

2 stops12h 14m

New York LaGuardia

Sun 6/7

8:15 pm-10:05 am

1 stop13h 50m

$459

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 6/6

11:57 am-6:50 pm

1 stop6h 53m

Philadelphia

Wed 6/10

11:59 pm-8:57 pm

2 stops20h 58m

$464

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Sat 6/13

2:22 pm-9:52 pm

1 stop7h 30m

New York John F Kennedy Intl

Wed 6/17

6:38 am-2:12 pm

1 stop7h 34m

$478

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/18

Showing 1-10 of 44 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 30m. Your travel time can differ by up to 17h 58m. Airlines will cover a distance of 37 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 - Philadelphia and Islip Long Island - New York LaGuardia.

  • 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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