HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$167+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from New Jersey to Islip with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 21, 2026.

This Expedia deal was found by Cheapflights users on 6/16. 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 7/2912:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Wed 8/56:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 6/16$405
This Expedia deal was found by Cheapflights users on 6/16. 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 7/299:30 am
JFK
-
ISP
1 stop12h 14m
JetBlue
Wed 8/56:00 am
ISP
-
JFK
1 stop8h 54m
JetBlue
Deal found 6/16$405
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:50 am
JFK
-
ISP
1 stop12h 43m
JetBlue
Thu 7/234:58 pm
ISP
-
JFK
1 stop8h 20m
JetBlue
Deal found 6/18$428
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/119:57 am
PHL
-
ISP
1 stop7h 32m
Multiple Airlines
Fri 7/172:28 pm
ISP
-
PHL
2 stops21h 54m
Multiple Airlines
Deal found 6/17$439
This Expedia deal was found by Cheapflights users on 6/17. 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 7/99:30 am
JFK
-
ISP
1 stop12h 14m
JetBlue
Mon 7/136:00 am
ISP
-
JFK
1 stop8h 54m
JetBlue
Deal found 6/17$461
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 7/511:03 am
PHL
-
ISP
1 stop26h 25m
Multiple Airlines
Thu 7/97:49 pm
ISP
-
PHL
2 stops23h 31m
Multiple Airlines
Deal found 6/20$473
This Expedia deal was found by Cheapflights users on 6/16. 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 7/298:00 am
EWR
-
ISP
1 stop13h 44m
JetBlue
Wed 8/56:00 am
ISP
-
EWR
1 stop8h 33m
JetBlue
Deal found 6/16$475
This Kiwi.com deal was found by Cheapflights users on 6/20. 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.
Fri 6/267:22 pm
PHL
-
ISP
1 stop15h 55m
Multiple Airlines
Fri 7/32:28 pm
ISP
-
PHL
2 stops34h 49m
Multiple Airlines
Deal found 6/20$492
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
LGA
-
ISP
1 stop13h 33m
JetBlue
Thu 7/236:00 am
ISP
-
LGA
1 stop13h 50m
JetBlue
Deal found 6/18$493
This Expedia deal was found by Cheapflights users on 6/17. 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 7/912:00 pm
LGA
-
ISP
1 stop9h 44m
JetBlue
Mon 7/136:00 am
ISP
-
LGA
1 stop7h 32m
JetBlue
Deal found 6/17$495
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/166:00 am
EWR
-
ISP
1 stop13h 33m
JetBlue
Thu 7/234:58 pm
ISP
-
EWR
1 stop7h 00m
JetBlue
Deal found 6/18$499
This Expedia deal was found by Cheapflights users on 6/17. 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 7/99:55 am
EWR
-
ISP
1 stop11h 49m
JetBlue
Mon 7/136:00 am
ISP
-
EWR
1 stop8h 29m
JetBlue
Deal found 6/17$503

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 June 21, 2026.

Round-trip from

$405
(Expedia)

One-way from

$167
(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 June 21, 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

Wed 7/29

12:00 pm-9:44 pm

1 stop9h 44m

Islip Long Island

Wed 8/5

6:00 am-1:32 pm

1 stop7h 32m

$405

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Wed 7/29

9:30 am-9:44 pm

1 stop12h 14m

Islip Long Island

Wed 8/5

6:00 am-2:54 pm

1 stop8h 54m

$405

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 7/16

6:50 am-7:33 pm

1 stop12h 43m

Islip Long Island

Thu 7/23

4:58 pm-1:18 am

1 stop8h 20m

$428

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Sat 7/11

9:57 am-5:29 pm

1 stop7h 32m

Islip Long Island

Fri 7/17

2:28 pm-12:22 pm

2 stops21h 54m

$439

New YorkIslip

JFK - ISP

JFKISP

New York John F Kennedy Intl

Thu 7/9

9:30 am-9:44 pm

1 stop12h 14m

Islip Long Island

Mon 7/13

6:00 am-2:54 pm

1 stop8h 54m

$461

PhiladelphiaIslip

PHL - ISP

PHLISP

Philadelphia

Sun 7/5

11:03 am-1:28 pm

1 stop26h 25m

Islip Long Island

Thu 7/9

7:49 pm-7:20 pm

2 stops23h 31m

$473

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/16

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

Thu 7/23

6:00 am-7:50 pm

1 stop13h 50m

$493

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Thu 7/9

12:00 pm-9:44 pm

1 stop9h 44m

Islip Long Island

Mon 7/13

6:00 am-1:32 pm

1 stop7h 32m

$495

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 7/16

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

Thu 7/23

4:58 pm-11:58 pm

1 stop7h 00m

$499

New YorkIslip

LGA - ISP

LGAISP

New York LaGuardia

Fri 8/7

8:55 pm-9:14 am

1 stop12h 19m

Islip Long Island

Mon 8/10

6:00 am-7:52 pm

1 stop13h 52m

$523

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 9h 27m. 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 Newark - Islip Long Island. You may also consider New York John F Kennedy Intl - 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Jersey to Islip

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to LaGuardia flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Newark flights
Los Angeles to Newark flights
Los Angeles to John F Kennedy Intl flights
Dallas/Fort Worth to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
Miami to LaGuardia flights
Los Angeles to LaGuardia flights
Miami to Newark flights
Ontario to John F Kennedy Intl flights
O'Hare Intl to Newark flights
Atlanta to John F Kennedy Intl flights
Orlando to Newark flights
Atlanta to LaGuardia flights
O'Hare Intl to LaGuardia flights
Seattle to Newark flights
Hobby to LaGuardia flights
Orlando to LaGuardia flights
Atlanta to Newark flights
Fort Lauderdale to John F Kennedy Intl flights
Seattle to John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Fort Lauderdale to Newark flights
Orlando to John F Kennedy Intl flights
San Jose to Newark flights
Miami to John F Kennedy Intl flights
Austin to John F Kennedy Intl flights
San Jose to John F Kennedy Intl flights
Hobby to Newark flights
Tampa to Newark flights
Detroit to Newark flights
Detroit to LaGuardia flights
Detroit to John F Kennedy Intl flights
Austin to Newark flights
Oakland to John F Kennedy Intl flights
Denver to Newark flights
West Palm Beach to John F Kennedy Intl flights
Denver to LaGuardia flights
Hobby to John F Kennedy Intl flights
Tampa to John F Kennedy Intl flights
Charlotte to Newark flights
Charlotte to LaGuardia flights
West Palm Beach to Newark flights
George Bush Intcntl to LaGuardia flights
Midway to Newark flights
George Bush Intcntl to John F Kennedy Intl flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.