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$212+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jun 30 — Jul 71
Tue 6/30
Tue 7/7
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 31, 2026.

This Kiwi.com deal was found by Cheapflights users on 5/28. 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 6/129:52 pm
ISP
-
PHL
1 stop10h 59m
Multiple Airlines
Tue 6/167:20 am
PHL
-
ISP
1 stop11h 18m
Multiple Airlines
Deal found 5/28$430
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 6/305:27 pm
ISP
-
PHL
1 stop17h 44m
Multiple Airlines
Tue 7/77:20 am
PHL
-
ISP
1 stop9h 27m
Multiple Airlines
Deal found 5/31$441
This Kiwi.com deal was found by Cheapflights users on 5/31. 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 6/152:28 pm
ISP
-
PHL
1 stop9h 01m
Multiple Airlines
Fri 6/1911:26 am
PHL
-
ISP
2 stops33h 31m
Multiple Airlines
Deal found 5/31$455
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 6/159:52 pm
ISP
-
LGA
1 stop18h 09m
Frontier
Fri 6/198:29 pm
LGA
-
ISP
1 stop24h 28m
Frontier
Deal found 5/30$459
This JetBlue deal was found by Cheapflights users on 5/28. 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.
Sat 9/126:00 am
ISP
-
LGA
1 stop8h 58m
JetBlue
Wed 9/1612:00 pm
LGA
-
ISP
1 stop9h 35m
JetBlue
Deal found 5/28$473
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 7/1111:57 am
ISP
-
PHL
1 stop11h 32m
Multiple Airlines
Sat 7/186:33 pm
PHL
-
ISP
2 stops23h 33m
Multiple Airlines
Deal found 5/30$487
This Expedia deal was found by Cheapflights users on 5/27. 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 7/73:07 pm
ISP
-
LGA
1 stop7h 57m
JetBlue
Tue 7/216:00 am
LGA
-
ISP
1 stop13h 33m
JetBlue
Deal found 5/27$488
This Priceline deal was found by Cheapflights users on 5/30. 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.
Sat 6/273:39 pm
ISP
-
JFK
1 stop8h 25m
JetBlue
Sat 7/41:00 pm
JFK
-
ISP
1 stop8h 01m
JetBlue
Deal found 5/30$488
This JetBlue deal was found by Cheapflights users on 5/27. 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.
Thu 7/96:00 am
ISP
-
LGA
1 stop17h 14m
JetBlue
Wed 7/1512:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Deal found 5/27$489
This Priceline deal was found by Cheapflights users on 5/30. 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 9/26:00 am
ISP
-
LGA
1 stop8h 56m
JetBlue
Fri 9/42:29 pm
LGA
-
ISP
1 stop8h 48m
JetBlue
Deal found 5/30$503
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 6/159:52 pm
ISP
-
LGA
1 stop18h 09m
Multiple Airlines
Fri 6/198:29 pm
LGA
-
ISP
2 stops17h 04m
Multiple Airlines
Deal found 5/30$504
This Expedia deal was found by Cheapflights users on 5/28. 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.
Thu 7/94:58 pm
ISP
-
JFK
1 stop8h 20m
JetBlue
Wed 7/1510:55 am
JFK
-
ISP
1 stop12h 51m
JetBlue
Deal found 5/28$508

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 31, 2026.

Round-trip from

$430
(Kiwi.com)

One-way from

$212
(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 31, 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

Fri 6/12

9:52 pm-7:23 pm

1 stop21h 31m

Philadelphia

Tue 6/16

8:00 am-6:38 pm

2 stops10h 38m

$445

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 6/15

2:28 pm-11:29 pm

1 stop9h 01m

Philadelphia

Fri 6/19

11:26 am-8:57 pm

2 stops33h 31m

$455

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 6/15

9:52 pm-4:01 pm

1 stop18h 09m

New York LaGuardia

Fri 6/19

8:29 pm-8:57 pm

1 stop24h 28m

$459

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Tue 6/30

5:27 pm-8:56 am

2 stops15h 29m

Philadelphia

Tue 7/7

7:20 am-4:47 pm

1 stop9h 27m

$459

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 7/7

3:07 pm-11:04 pm

1 stop7h 57m

New York LaGuardia

Tue 7/21

6:00 am-7:33 pm

1 stop13h 33m

$488

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 7/9

6:00 am-1:32 pm

1 stop7h 32m

New York LaGuardia

Wed 7/15

12:00 pm-9:44 pm

1 stop9h 44m

$488

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Tue 7/7

4:58 pm-11:59 pm

1 stop7h 01m

New York John F Kennedy Intl

Tue 7/21

9:00 pm-10:41 am

1 stop13h 41m

$488

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Mon 6/15

9:52 pm-4:01 pm

1 stop18h 09m

New York LaGuardia

Fri 6/19

8:29 pm-1:33 pm

2 stops17h 04m

$504

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 7/9

4:58 pm-1:18 am

1 stop8h 20m

New York John F Kennedy Intl

Wed 7/15

10:55 am-11:46 pm

1 stop12h 51m

$508

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 6/13

11:57 am-11:29 pm

1 stop11h 32m

Philadelphia

Wed 6/17

8:10 am-8:57 pm

1 stop12h 47m

$551

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/28

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 57m. Your travel time can differ by up to 10h 12m. 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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