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$178+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Jul 30 — Aug 61
Thu 7/30
Thu 8/6
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 June 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/25. 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 9/1512:00 pm
ISP
-
PHL
2 stops11h 11m
Multiple Airlines
Fri 9/188:48 am
PHL
-
ISP
1 stop11h 11m
Multiple Airlines
Deal found 6/25$269
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/511:57 am
ISP
-
PHL
2 stops10h 36m
Multiple Airlines
Sun 9/610:01 am
PHL
-
ISP
1 stop5h 15m
Multiple Airlines
Deal found 6/27$351
This Expedia deal was found by Cheapflights users on 6/27. 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.
Thu 8/204:58 pm
ISP
-
JFK
1 stop8h 20m
JetBlue
Tue 8/2511:30 am
JFK
-
ISP
1 stop10h 19m
JetBlue
Deal found 6/27$358
This Kiwi.com deal was found by Cheapflights users on 6/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/207:09 pm
ISP
-
LGA
1 stop22h 36m
Multiple Airlines
Tue 8/254:55 pm
LGA
-
ISP
2 stops18h 22m
Multiple Airlines
Deal found 6/27$370
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 7/2910:57 am
ISP
-
PHL
1 stop12h 47m
Multiple Airlines
Wed 8/54:30 pm
PHL
-
ISP
2 stops26h 39m
Multiple Airlines
Deal found 6/29$372
This JetBlue deal was found by Cheapflights users on 6/25. 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 7/146:00 am
ISP
-
LGA
1 stop8h 59m
JetBlue
Wed 7/1512:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Deal found 6/25$385
This JetBlue deal was found by Cheapflights users on 6/28. 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.
Tue 9/16:00 am
ISP
-
LGA
1 stop8h 59m
JetBlue
Wed 9/22:29 pm
LGA
-
ISP
1 stop8h 59m
JetBlue
Deal found 6/28$403
This Expedia deal was found by Cheapflights users on 6/25. 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 7/234:58 pm
ISP
-
JFK
1 stop8h 20m
JetBlue
Thu 7/306:00 am
JFK
-
ISP
1 stop13h 33m
JetBlue
Deal found 6/25$405
This Expedia deal was found by Cheapflights users on 6/26. 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 8/136:00 am
ISP
-
LGA
1 stop8h 45m
JetBlue
Wed 8/198:59 pm
LGA
-
ISP
1 stop12h 06m
JetBlue
Deal found 6/26$408
This Expedia deal was found by Cheapflights users on 6/29. 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 8/136:00 am
ISP
-
JFK
1 stop8h 54m
JetBlue
Wed 8/199:29 pm
JFK
-
ISP
1 stop13h 14m
JetBlue
Deal found 6/29$418
This Kiwi.com deal was found by Cheapflights users on 6/25. 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 8/1511:57 am
ISP
-
LGA
2 stops32h 47m
Multiple Airlines
Sat 8/228:29 pm
LGA
-
ISP
1 stop13h 24m
Multiple Airlines
Deal found 6/25$421
This Priceline deal was found by Cheapflights users on 6/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:00 pm
ISP
-
JFK
1 stop7h 41m
JetBlue
Thu 9/244:30 pm
JFK
-
ISP
1 stop6h 52m
JetBlue
Deal found 6/28$443

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 June 30, 2026.

Round-trip from

$269
(Kiwi.com)

One-way from

$178
(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 June 30, 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 9/15

12:00 pm-10:02 am

1 stop22h 02m

Philadelphia

Fri 9/18

8:48 am-7:59 pm

1 stop11h 11m

$278

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Sat 9/5

11:57 am-10:33 pm

2 stops10h 36m

Philadelphia

Sun 9/6

10:01 am-3:16 pm

1 stop5h 15m

$351

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 8/20

4:58 pm-1:18 am

1 stop8h 20m

New York John F Kennedy Intl

Tue 8/25

11:30 am-9:49 pm

1 stop10h 19m

$358

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 8/20

7:09 pm-5:45 pm

1 stop22h 36m

New York LaGuardia

Tue 8/25

4:55 pm-11:17 am

2 stops18h 22m

$370

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 7/14

6:00 am-2:59 pm

1 stop8h 59m

New York LaGuardia

Wed 7/15

12:00 pm-9:44 pm

1 stop9h 44m

$385

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Tue 9/1

6:00 am-2:59 pm

1 stop8h 59m

New York LaGuardia

Wed 9/2

2:29 pm-11:28 pm

1 stop8h 59m

$403

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 7/23

4:58 pm-1:18 am

1 stop8h 20m

New York John F Kennedy Intl

Thu 7/30

6:00 am-7:33 pm

1 stop13h 33m

$405

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 8/13

6:00 am-2:45 pm

1 stop8h 45m

New York LaGuardia

Wed 8/19

8:59 pm-9:05 am

1 stop12h 06m

$408

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 8/13

6:00 am-2:54 pm

1 stop8h 54m

New York John F Kennedy Intl

Wed 8/19

9:29 pm-10:43 am

1 stop13h 14m

$418

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Sat 8/15

11:57 am-8:44 pm

2 stops32h 47m

New York LaGuardia

Sat 8/22

8:29 pm-9:53 am

1 stop13h 24m

$421

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

Showing 1-10 of 33 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?

    JetBlue can get you from Islip, New York to New Jersey in just under 8h 20m. Your travel time can differ by up to . Airlines will cover a distance of 37 mi.

  • 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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