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$177+ 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

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.
Wed 4/1511:50 am
ISP
-
LGA
2 stops9h 09m
Multiple Airlines
Wed 4/228:25 pm
LGA
-
ISP
1 stop13h 08m
Multiple Airlines
Deal found 3/18$288
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 4/102:31 pm
ISP
-
PHL
1 stop19h 44m
Multiple Airlines
Tue 4/148:13 pm
PHL
-
ISP
2 stops14h 57m
Multiple Airlines
Deal found 3/19$313
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.
Mon 5/112:28 pm
ISP
-
PHL
1 stop8h 59m
Multiple Airlines
Wed 5/135:10 pm
PHL
-
ISP
1 stop16h 55m
Multiple Airlines
Deal found 3/20$319
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 6/511:00 am
ISP
-
LGA
1 stop11h 15m
Multiple Airlines
Mon 6/88:29 pm
LGA
-
ISP
1 stop19h 27m
Multiple Airlines
Deal found 3/21$332
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.
Sun 4/194:07 pm
ISP
-
PHL
2 stops29h 50m
Multiple Airlines
Sun 4/2610:54 am
PHL
-
ISP
1 stop22h 34m
Multiple Airlines
Deal found 3/20$347
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.
Fri 5/292:28 pm
ISP
-
PHL
2 stops18h 26m
Multiple Airlines
Sun 5/319:16 pm
PHL
-
ISP
1 stop12h 49m
Multiple Airlines
Deal found 3/18$358
This Kiwi.com deal was found by Cheapflights users on 3/21. 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 6/511:00 am
ISP
-
LGA
2 stops12h 14m
Frontier
Mon 6/88:29 pm
LGA
-
ISP
1 stop19h 27m
Frontier
Deal found 3/21$369
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 4/1811:50 am
ISP
-
PHL
1 stop4h 46m
Multiple Airlines
Sat 4/2510:24 pm
PHL
-
ISP
1 stop10h 49m
Multiple Airlines
Deal found 3/19$389
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.
Sun 6/711:00 am
ISP
-
PHL
1 stop13h 40m
Frontier
Fri 6/1212:54 pm
PHL
-
ISP
1 stop21h 09m
Frontier
Deal found 3/19$416
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 4/28:36 pm
ISP
-
PHL
1 stop11h 05m
Frontier
Mon 4/65:46 pm
PHL
-
ISP
1 stop24h 47m
Frontier
Deal found 3/18$423
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.
Wed 4/155:25 pm
ISP
-
JFK
1 stop6h 31m
JetBlue
Wed 4/225:59 am
JFK
-
ISP
1 stop10h 30m
JetBlue
Deal found 3/18$443
This JetBlue 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:15 pm
ISP
-
JFK
1 stop6h 41m
JetBlue
Wed 4/226:59 am
JFK
-
ISP
1 stop9h 30m
JetBlue
Deal found 3/20$445

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 March 22, 2026.

Round-trip from

$288
(Kiwi.com)

One-way from

$177
(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 March 22, 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

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Wed 4/15

11:50 am-8:59 pm

2 stops9h 09m

New York LaGuardia

Wed 4/22

8:25 pm-9:33 am

1 stop13h 08m

$288

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 4/10

2:31 pm-10:15 am

1 stop19h 44m

Philadelphia

Tue 4/14

8:13 pm-11:10 am

2 stops14h 57m

$313

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 5/11

2:28 pm-11:27 pm

1 stop8h 59m

Philadelphia

Wed 5/13

5:10 pm-10:05 am

1 stop16h 55m

$319

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 6/5

11:00 am-10:15 pm

1 stop11h 15m

New York LaGuardia

Mon 6/8

8:29 pm-3:56 pm

1 stop19h 27m

$332

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sun 4/19

4:07 pm-9:57 pm

2 stops29h 50m

Philadelphia

Sun 4/26

10:54 am-9:28 am

1 stop22h 34m

$347

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 5/29

2:28 pm-8:54 am

2 stops18h 26m

Philadelphia

Sun 5/31

9:16 pm-10:05 am

1 stop12h 49m

$358

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 6/5

11:00 am-11:14 pm

2 stops12h 14m

New York LaGuardia

Mon 6/8

8:29 pm-3:56 pm

1 stop19h 27m

$369

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 4/18

11:50 am-4:36 pm

1 stop4h 46m

Philadelphia

Sat 4/25

10:24 pm-9:13 am

1 stop10h 49m

$389

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 4/15

5:25 pm-11:56 pm

1 stop6h 31m

New York John F Kennedy Intl

Wed 4/22

5:59 am-4:29 pm

1 stop10h 30m

$443
Quickest round-trip

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Fri 6/5

2:35 pm-10:23 pm

1 stop7h 48m

New York John F Kennedy Intl

Mon 6/8

6:00 am-1:39 pm

1 stop7h 39m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/19

Showing 1-10 of 42 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 6h 31m. Your travel time can differ by up to 5h 43m. 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 - Philadelphia, Islip Long Island - New York John F Kennedy Intl 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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See prices for flight routes from nearby airports that may be better suited for you.
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