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$160+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — EWR
abr. 10 — abr. 171
vie. 4/10
vie. 4/17
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 marzo 11, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
lun. 4/204:07 pm
ISP
-
LGA
1 stop23h 57m
Multiple Airlines
mié. 5/63:29 pm
LGA
-
ISP
1 stop17h 44m
Multiple Airlines
Deal found 3/9$166
This Kiwi.com deal was found by Cheapflights users on 3/9. 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.
lun. 6/110:03 am
ISP
-
LGA
1 stop12h 12m
Multiple Airlines
mar. 6/28:29 pm
LGA
-
ISP
1 stop12h 39m
Multiple Airlines
Deal found 3/9$178
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.
jue. 4/164:07 pm
ISP
-
LGA
1 stop22h 22m
Multiple Airlines
mié. 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 3/9. 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.
jue. 4/164:07 pm
ISP
-
LGA
2 stops31h 07m
Frontier
mié. 4/228:25 pm
LGA
-
ISP
1 stop13h 08m
Frontier
Deal found 3/9$251
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.
jue. 5/2810:03 am
ISP
-
LGA
1 stop12h 12m
Multiple Airlines
dom. 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 3/8. 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.
vie. 5/2910:03 am
ISP
-
PHL
1 stop7h 04m
Multiple Airlines
dom. 5/318:01 pm
PHL
-
ISP
1 stop13h 07m
Multiple Airlines
Deal found 3/8$281
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
jue. 4/95:30 am
ISP
-
PHL
2 stops24h 01m
Frontier
jue. 4/1610:38 pm
PHL
-
ISP
1 stop10h 35m
Frontier
Deal found 3/10$296
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.
jue. 4/169:04 pm
ISP
-
JFK
1 stop11h 55m
JetBlue
mié. 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 3/8. 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.
mar. 7/1410:03 am
ISP
-
PHL
1 stop10h 47m
Multiple Airlines
vie. 7/178:00 am
PHL
-
ISP
1 stop5h 28m
Multiple Airlines
Deal found 3/8$431
This Priceline deal was found by Cheapflights users on 3/9. 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.
lun. 6/12:35 pm
ISP
-
JFK
1 stop8h 58m
JetBlue
mar. 6/26:00 am
JFK
-
ISP
1 stop7h 39m
JetBlue
Deal found 3/9$448
This Kiwi.com deal was found by Cheapflights users on 3/10. 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.
mié. 3/1111:50 am
ISP
-
PHL
1 stop21h 43m
Multiple Airlines
mar. 3/1710:08 pm
PHL
-
ISP
2 stops13h 02m
Multiple Airlines
Deal found 3/10$450
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.
lun. 3/91:22 pm
ISP
-
LGA
2 stops27h 37m
Multiple Airlines
jue. 3/196:30 am
LGA
-
ISP
1 stop30h 17m
Multiple Airlines
Deal found 3/7$466

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 marzo 11, 2026.

Round-trip from

$166
(Kiwi.com)

One-way from

$160
(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 marzo 11, 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

lun. 4/20

4:07 pm-4:04 pm

1 stop23h 57m

New York LaGuardia

mié. 5/6

3:29 pm-9:13 am

1 stop17h 44m

$166

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

lun. 6/1

10:03 am-10:15 pm

1 stop12h 12m

New York LaGuardia

mar. 6/2

8:29 pm-9:08 am

1 stop12h 39m

$178

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

jue. 4/9

5:30 am-5:31 am

2 stops24h 01m

Philadelphia

jue. 4/16

10:38 pm-9:13 am

1 stop10h 35m

$296

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

jue. 5/28

10:03 am-8:58 pm

2 stops10h 55m

New York LaGuardia

dom. 5/31

8:29 pm-9:08 am

1 stop12h 39m

$303

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

vie. 5/29

10:03 am-5:07 pm

1 stop7h 04m

Philadelphia

dom. 5/31

8:01 pm-1:28 pm

2 stops17h 27m

$334

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

jue. 4/16

9:04 pm-8:59 am

1 stop11h 55m

New York John F Kennedy Intl

mié. 4/22

6:00 am-8:09 pm

1 stop14h 09m

$395

IslipPhiladelphia

ISP - PHL

ISPPHL

Islip Long Island

mar. 7/14

10:03 am-8:50 pm

1 stop10h 47m

Philadelphia

vie. 7/17

8:00 am-1:28 pm

1 stop5h 28m

$431

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

lun. 6/1

2:35 pm-11:33 pm

1 stop8h 58m

New York John F Kennedy Intl

mar. 6/2

6:00 am-1:39 pm

1 stop7h 39m

$448

IslipNew York

ISP - LGA

ISPLGA

Islip Long Island

mié. 3/25

11:50 am-11:15 pm

2 stops11h 25m

New York LaGuardia

dom. 3/29

7:59 pm-12:33 pm

1 stop16h 34m

$500

IslipNew York

ISP - JFK

ISPJFK

Islip Long Island

jue. 5/28

2:35 pm-11:33 pm

1 stop8h 58m

New York John F Kennedy Intl

dom. 5/31

6:00 am-1:39 pm

1 stop7h 39m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Showing 1-10 of 44 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?

    Frontier and JetBlue can get you from Islip, New York to New Jersey in just under 11h 55m. Your travel time can differ by up to 12h 06m. Airlines will cover a distance of 37 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 - Philadelphia and Islip Long Island - New York LaGuardia.

  • 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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