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Islip

$179+ Cheap flights from New Jersey to Islip, NY (ISP)

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Jun 5 — Jun 121
Fri 6/5
Fri 6/12
1 adult, Economy
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Cheap flight deals from New Jersey to Islip

Cheapest flights from New Jersey to Islip
Explore the most affordable flight options available from New Jersey to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 6, 2026.

This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/68:15 pm
LGA
-
ISP
1 stop13h 50m
Frontier
Sat 6/139:52 pm
ISP
-
LGA
2 stops25h 22m
Frontier
Deal found 5/1$313
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 5/158:15 pm
LGA
-
ISP
1 stop13h 50m
Frontier
Mon 5/1811:00 am
ISP
-
LGA
1 stop29h 11m
Frontier
Deal found 5/2$314
This Trip.com deal was found by Cheapflights users on 5/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/611:30 am
EWR
-
ISP
1 stop22h 35m
Frontier
Sat 6/139:52 pm
ISP
-
EWR
2 stops27h 13m
Frontier
Deal found 5/1$318
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/110:29 pm
EWR
-
ISP
2 stops18h 18m
Multiple Airlines
Mon 6/811:00 am
ISP
-
EWR
1 stop23h 31m
Multiple Airlines
Deal found 5/4$338
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 6/18:29 pm
LGA
-
ISP
1 stop20h 48m
Frontier
Mon 6/811:00 am
ISP
-
LGA
2 stops32h 44m
Frontier
Deal found 5/4$342
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 6/174:56 pm
LGA
-
ISP
2 stops28h 01m
Frontier
Wed 6/249:52 pm
ISP
-
LGA
1 stop18h 09m
Frontier
Deal found 5/2$351
This Kiwi.com deal was found by Cheapflights users on 5/5. 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 6/410:29 pm
EWR
-
ISP
2 stops35h 46m
Frontier
Thu 6/119:52 pm
ISP
-
EWR
1 stop12h 38m
Frontier
Deal found 5/5$379
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 5/318:15 pm
LGA
-
ISP
1 stop13h 50m
Frontier
Sun 6/711:00 am
ISP
-
LGA
1 stop29h 11m
Frontier
Deal found 5/3$409
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 5/199:20 am
PHL
-
ISP
2 stops24h 45m
Multiple Airlines
Sat 5/2311:57 am
ISP
-
PHL
1 stop4h 41m
Multiple Airlines
Deal found 5/4$409
This JetBlue deal was found by Cheapflights users on 5/3. 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 6/26:00 am
EWR
-
ISP
1 stop7h 39m
JetBlue
Fri 6/52:35 pm
ISP
-
EWR
1 stop9h 24m
JetBlue
Deal found 5/3$418
This lol.travel deal was found by Cheapflights users on 5/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/66:00 am
EWR
-
ISP
1 stop6h 28m
JetBlue
Sat 6/132:22 pm
ISP
-
EWR
1 stop7h 36m
JetBlue
Deal found 5/1$419
This Trip.com deal was found by Cheapflights users on 5/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:45 am
PHL
-
ISP
2 stops26h 20m
Frontier
Thu 5/2111:12 am
ISP
-
PHL
1 stop8h 06m
Frontier
Deal found 5/2$421

Find flight deals from New Jersey to Islip

Keep the following information in mind while searching for New Jersey to Islip flight deals. Data was last updated May 6, 2026.

Round-trip from

$313
(Trip.com)

One-way from

$179
(Kiwi.com)
From New Jersey to Islip Long Island
Search Deals
One-way flight from New Jersey to Islip Long Island
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Jersey to Islip 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 6, 2026.
Use the filters below to find and compare flights from New Jersey to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sat 6/6

8:15 pm-10:05 am

1 stop13h 50m

Islip Long Island

Sat 6/13

9:52 pm-11:14 pm

2 stops25h 22m

$313

NewarkIslip

EWR - ISP

EWRISP

Newark

Sat 6/6

11:30 am-10:05 am

1 stop22h 35m

Islip Long Island

Sat 6/13

9:52 pm-1:05 am

2 stops27h 13m

$318

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Mon 6/1

8:29 pm-5:17 pm

1 stop20h 48m

Islip Long Island

Mon 6/8

11:00 am-7:44 pm

2 stops32h 44m

$342

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 6/17

4:56 pm-8:57 pm

2 stops28h 01m

Islip Long Island

Wed 6/24

9:52 pm-4:01 pm

1 stop18h 09m

$351

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 6/4

10:29 pm-10:15 am

2 stops35h 46m

Islip Long Island

Thu 6/11

9:52 pm-10:30 am

1 stop12h 38m

$379

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 6/2

6:00 am-1:39 pm

1 stop7h 39m

Islip Long Island

Fri 6/5

2:35 pm-11:59 pm

1 stop9h 24m

$418

NewarkIslip

EWR - ISP

EWRISP

Newark

Sat 6/6

6:00 am-12:28 pm

1 stop6h 28m

Islip Long Island

Sat 6/13

2:22 pm-9:58 pm

1 stop7h 36m

$419

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Sun 5/17

7:45 am-10:05 am

2 stops26h 20m

Islip Long Island

Thu 5/21

11:12 am-7:18 pm

1 stop8h 06m

$421

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Sun 5/31

8:15 pm-10:05 am

1 stop13h 50m

Islip Long Island

Sun 6/7

7:49 pm-8:56 pm

2 stops25h 07m

$428

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 6/18

6:25 am-8:57 pm

2 stops14h 32m

Islip Long Island

Sat 6/20

9:52 pm-4:01 pm

1 stop18h 09m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 51 resultsSorted by cheapest first
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Best time to book a flight from New Jersey to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from New Jersey 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 New Jersey to Islip
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 New Jersey to Islip. 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 into for flights to Islip from New Jersey?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from New Jersey. Long Island is conveniently located just 7.2 mi from Islip’s city center.

  • How long is the flight from New Jersey to Islip, New York?

    Departing from New Jersey to Islip, New York will take you 7h 39m. New Jersey and Islip, New York are separated by a distance of 57 mi. This flight may include one or multiple stops.

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

    The most popular route from New Jersey to Islip, New York is New York John F Kennedy Intl - Islip Long Island. You may also consider Newark - Islip Long Island or New York LaGuardia - Islip Long Island.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Jersey to Islip 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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Alternative routes for New Jersey to Islip

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