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Islip

$198+ 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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Fri 3/65:30 am
PHL
-
ISP
1 stop8h 01m
Multiple Airlines
Mon 3/91:22 pm
ISP
-
PHL
1 stop29h 29m
Multiple Airlines
Deal found 1/27$231
This Kiwi.com deal was found by Cheapflights users on 1/27. 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.
Tue 2/106:54 pm
PHL
-
ISP
1 stop16h 16m
Multiple Airlines
Thu 2/123:34 pm
ISP
-
PHL
1 stop7h 42m
Multiple Airlines
Deal found 1/27$303
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 1/294:19 pm
EWR
-
ISP
1 stop21h 02m
Multiple Airlines
Thu 2/57:26 pm
ISP
-
EWR
2 stops23h 33m
Multiple Airlines
Deal found 1/28$348
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:00 am
LGA
-
ISP
2 stops27h 10m
Multiple Airlines
Thu 4/304:07 pm
ISP
-
LGA
1 stop23h 53m
Multiple Airlines
Deal found 1/26$366
This Expedia deal was found by Cheapflights users on 1/27. 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.
Wed 3/189:30 pm
LGA
-
ISP
1 stop11h 25m
JetBlue
Sat 3/218:25 am
ISP
-
LGA
1 stop13h 32m
JetBlue
Deal found 1/27$453
This Expedia deal was found by Cheapflights users on 1/26. 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.
Fri 4/2412:30 pm
LGA
-
ISP
1 stop7h 09m
JetBlue
Thu 4/308:34 pm
ISP
-
LGA
1 stop12h 56m
JetBlue
Deal found 1/26$503
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Thu 1/299:55 am
LGA
-
ISP
1 stop8h 53m
Multiple Airlines
Thu 2/511:55 am
ISP
-
LGA
2 stops11h 26m
Multiple Airlines
Deal found 1/28$674
This Priceline deal was found by Cheapflights users on 1/28. 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.
Thu 1/296:45 am
JFK
-
ISP
1 stop4h 20m
Multiple Airlines
Thu 2/59:59 am
ISP
-
JFK
1 stop4h 59m
Multiple Airlines
Deal found 1/28$819
This Expedia deal was found by Cheapflights users on 1/27. 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 3/58:00 pm
JFK
-
ISP
1 stop12h 47m
JetBlue
Mon 3/98:00 am
ISP
-
JFK
1 stop6h 42m
JetBlue
Deal found 1/27$836
This Expedia deal was found by Cheapflights users on 1/28. 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 1/299:35 pm
LGA
-
ISP
1 stop11h 17m
JetBlue
Thu 2/512:25 pm
ISP
-
LGA
1 stop8h 13m
JetBlue
Deal found 1/28$993
This Expedia deal was found by Cheapflights users on 1/27. 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 3/57:10 pm
EWR
-
ISP
1 stop13h 37m
JetBlue
Mon 3/91:25 pm
ISP
-
EWR
1 stop9h 37m
JetBlue
Deal found 1/27$1,377

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 January 29, 2026.

Round-trip from

$231
(Kiwi.com)

One-way from

$198
(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 January 29, 2026.
Use the filters below to find and compare flights from New Jersey to Islip that are best for you.

Fly from

New Jersey

Fly to

Islip

Route

Depart

Return

Price

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Fri 3/6

5:30 am-1:31 pm

1 stop8h 01m

Islip Long Island

Mon 3/9

1:22 pm-6:51 pm

1 stop29h 29m

$231

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Tue 2/10

6:54 pm-11:10 am

1 stop16h 16m

Islip Long Island

Thu 2/12

3:34 pm-11:16 pm

1 stop7h 42m

$303

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 4/24

8:00 am-11:10 am

2 stops27h 10m

Islip Long Island

Thu 4/30

4:07 pm-4:00 pm

1 stop23h 53m

$366

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Wed 3/18

9:30 pm-8:55 am

1 stop11h 25m

Islip Long Island

Sat 3/21

8:25 am-9:57 pm

1 stop13h 32m

$453

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 4/24

12:30 pm-7:39 pm

1 stop7h 09m

Islip Long Island

Thu 4/30

8:34 pm-9:30 am

1 stop12h 56m

$503

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 3/5

8:00 pm-8:47 am

1 stop12h 47m

Islip Long Island

Mon 3/9

8:00 am-2:42 pm

1 stop6h 42m

$836

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 3/5

7:10 pm-8:47 am

1 stop13h 37m

Islip Long Island

Mon 3/9

1:25 pm-11:02 pm

1 stop9h 37m

$1,377

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Sat 3/7

7:10 pm-5:46 pm

2 stops22h 36m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

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 11h 25m. New Jersey and Islip, New York are separated by a distance of 41 mi.

  • 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 LaGuardia - Islip Long Island. You may also consider Newark - Islip Long Island or New York John F Kennedy Intl - 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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