HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
New Jersey

$80+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
Apr 6 — Apr 131
Mon 4/6
Mon 4/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Islip to New Jersey 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 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 March 7, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/6. 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 4/164:07 pm
ISP
-
LGA
1 stop22h 22m
Multiple Airlines
Wed 4/228:25 pm
LGA
-
ISP
1 stop13h 08m
Multiple Airlines
Deal found 3/6$218
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/2810:03 am
ISP
-
LGA
1 stop12h 12m
Multiple Airlines
Sun 5/318:29 pm
LGA
-
ISP
1 stop12h 39m
Multiple Airlines
Deal found 3/6$263
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Sat 3/1411:50 am
ISP
-
PHL
1 stop13h 28m
Multiple Airlines
Mon 3/165:25 am
PHL
-
ISP
1 stop8h 06m
Multiple Airlines
Deal found 3/3$287
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 5/2810:03 am
ISP
-
LGA
2 stops10h 55m
Frontier
Sun 5/318:29 pm
LGA
-
ISP
1 stop12h 39m
Frontier
Deal found 3/6$303
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Fri 4/102:31 pm
ISP
-
PHL
1 stop19h 44m
Multiple Airlines
Tue 4/141:30 pm
PHL
-
ISP
1 stop21h 40m
Multiple Airlines
Deal found 3/4$320
This Orbitz deal was found by Cheapflights users on 3/2. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/309:08 pm
ISP
-
JFK
1 stop11h 52m
JetBlue
Mon 4/67:59 pm
JFK
-
ISP
1 stop13h 09m
JetBlue
Deal found 3/2$388
This lol.travel deal was found by Cheapflights users on 3/6. 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.
Thu 4/169:04 pm
ISP
-
JFK
1 stop11h 55m
JetBlue
Wed 4/226:00 am
JFK
-
ISP
1 stop14h 09m
JetBlue
Deal found 3/6$395
This Kiwi.com deal was found by Cheapflights users on 3/5. 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.
Fri 3/201:42 pm
ISP
-
LGA
1 stop7h 17m
Multiple Airlines
Tue 3/245:30 pm
LGA
-
ISP
2 stops17h 40m
Multiple Airlines
Deal found 3/5$403
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Wed 3/1811:50 am
ISP
-
JFK
2 stops13h 23m
Multiple Airlines
Sun 3/221:11 pm
JFK
-
ISP
1 stop23h 22m
Multiple Airlines
Deal found 3/3$425
This Kiwi.com deal was found by Cheapflights users on 3/4. 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.
Sun 3/85:08 pm
ISP
-
PHL
1 stop30h 08m
Multiple Airlines
Tue 3/107:19 pm
PHL
-
ISP
2 stops15h 51m
Multiple Airlines
Deal found 3/4$448
This Kiwi.com deal was found by Cheapflights users on 3/7. 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 3/91:22 pm
ISP
-
LGA
2 stops27h 37m
Multiple Airlines
Thu 3/196:30 am
LGA
-
ISP
1 stop30h 17m
Multiple Airlines
Deal found 3/7$466
This Kiwi.com deal was found by Cheapflights users on 3/6. 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 3/97:20 pm
ISP
-
PHL
1 stop18h 36m
Multiple Airlines
Tue 3/107:19 pm
PHL
-
ISP
2 stops15h 51m
Multiple Airlines
Deal found 3/6$476

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 March 7, 2026.

Round-trip from

$218
(Kiwi.com)

One-way from

$80
(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 March 7, 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

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 4/16

4:07 pm-2:29 pm

1 stop22h 22m

New York LaGuardia

Wed 4/22

8:25 pm-9:33 am

1 stop13h 08m

$218

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Thu 5/28

10:03 am-8:58 pm

2 stops10h 55m

New York LaGuardia

Sun 5/31

8:29 pm-9:08 am

1 stop12h 39m

$303

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Fri 4/10

2:31 pm-10:15 am

1 stop19h 44m

Philadelphia

Tue 4/14

1:08 pm-11:10 am

2 stops22h 02m

$313

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Mon 3/30

9:08 pm-9:00 am

1 stop11h 52m

New York John F Kennedy Intl

Mon 4/6

7:59 pm-9:08 am

1 stop13h 09m

$388

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 4/16

9:04 pm-8:59 am

1 stop11h 55m

New York John F Kennedy Intl

Wed 4/22

6:00 am-8:09 pm

1 stop14h 09m

$395

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

Fri 3/20

1:42 pm-8:59 pm

1 stop7h 17m

New York LaGuardia

Tue 3/24

5:30 pm-11:10 am

2 stops17h 40m

$403

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Wed 3/18

11:50 am-1:13 am

2 stops13h 23m

New York John F Kennedy Intl

Sun 3/22

1:11 pm-12:33 pm

1 stop23h 22m

$425

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Thu 3/19

4:34 pm-7:36 am

1 stop15h 02m

Philadelphia

Mon 3/23

5:28 pm-11:10 am

2 stops41h 42m

$487
Quickest round-trip

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

Thu 5/28

2:35 pm-11:33 pm

1 stop8h 58m

New York John F Kennedy Intl

Sun 5/31

6:00 am-1:39 pm

1 stop7h 39m

$508

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

Mon 4/6

1:07 pm-12:53 pm

1 stop23h 46m

Philadelphia

Mon 4/13

5:35 am-1:31 pm

1 stop7h 56m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

Showing 1-10 of 45 resultsSorted by cheapest first
1
2
3
...
5

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 10h 55m. Your travel time can differ by up to 57m. 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

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 Islip to New Jersey

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Miami flights
Newark to Fort Lauderdale flights
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
Newark to Miami flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to West Palm Beach flights
John F Kennedy Intl to Orlando flights
LaGuardia to San Francisco flights
Newark to Orlando flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Orlando flights
LaGuardia to Dallas/Fort Worth flights
Newark to Dallas/Fort Worth flights
Newark to Las Vegas flights
John F Kennedy Intl to West Palm Beach flights
Newark to Los Angeles flights
John F Kennedy Intl to Tampa flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Tampa flights
John F Kennedy Intl to O'Hare Intl flights
LaGuardia to Tampa flights
LaGuardia to Hobby flights
Newark to Hobby flights
Newark to New Orleans flights
LaGuardia to Los Angeles flights
LaGuardia to Las Vegas flights
Newark to O'Hare Intl flights
LaGuardia to New Orleans flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Hobby flights
Newark to Sky Harbor Intl flights
Newark to Seattle flights
John F Kennedy Intl to New Orleans flights
LaGuardia to Atlanta flights
John F Kennedy Intl to Sky Harbor Intl flights
Newark to George Bush Intcntl flights
LaGuardia to West Palm Beach flights
Newark to Nashville flights
John F Kennedy Intl to George Bush Intcntl flights
LaGuardia to George Bush Intcntl flights
John F Kennedy Intl to Atlanta flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Austin flights
Newark to Atlanta flights
John F Kennedy Intl to Fort Myers flights
John F Kennedy Intl to Nashville 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.