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Islip

$134+ Cheap flights from Newark (EWR) 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Newark to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 18, 2025.

Round-trip from

$199
(Kiwi.com)

One-way from

$134
(Kiwi.com)
From Newark to Islip Long Island
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One-way flight from Newark to Islip Long Island
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Find flight deals from Newark to Islip

Cheapest flights from Newark to Islip
Explore the most affordable flight options available from Newark to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/177:57 pmEWR - ISP
1 stop14h 58mMultiple Airlines
Wed 9/2411:35 amISP - EWR
1 stop10h 24mMultiple Airlines
Deal found 8/18$199
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:15 amEWR - ISP
2 stops23h 40mMultiple Airlines
Mon 9/85:05 pmISP - EWR
1 stop18h 55mMultiple Airlines
Deal found 8/16$217
This Kiwi.com deal was found by Cheapflights users on 8/15. 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 8/298:00 pmEWR - ISP
2 stops19h 21mMultiple Airlines
Fri 9/55:05 pmISP - EWR
1 stop20h 55mMultiple Airlines
Deal found 8/15$329
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/308:51 pmEWR - ISP
2 stops27h 08mMultiple Airlines
Sat 9/65:05 pmISP - EWR
1 stop16h 00mMultiple Airlines
Deal found 8/17$336
This Kiwi.com deal was found by Cheapflights users on 8/17. 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 8/3010:40 amEWR - ISP
1 stop7h 58mMultiple Airlines
Tue 9/26:05 amISP - EWR
1 stop17h 24mMultiple Airlines
Deal found 8/17$460
This Kiwi.com deal was found by Cheapflights users on 8/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/298:00 pmEWR - ISP
1 stop22h 38mMultiple Airlines
Tue 9/26:05 amISP - EWR
1 stop17h 24mMultiple Airlines
Deal found 8/16$485

Cheapflights Fare Finder

 
Customize your flight search to find flights from Newark 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 August 18, 2025.
Use the filters below to find and compare flights from Newark Airport to Islip that are best for you.

Fly from

Newark

Fly to

Islip

Route

Depart

Return

Price

NewarkIslip

EWR - ISP

EWRISP

Newark

Wed 9/17

7:57 pm-10:55 am

1 stop14h 58m

Islip Long Island

Wed 9/24

11:35 am-9:59 pm

1 stop10h 24m

$199

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 9/5

11:15 am-10:55 am

2 stops23h 40m

Islip Long Island

Mon 9/8

5:05 pm-12:00 pm

1 stop18h 55m

$217

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 8/29

8:00 pm-3:21 pm

2 stops19h 21m

Islip Long Island

Fri 9/5

5:05 pm-2:00 pm

1 stop20h 55m

$329

NewarkIslip

EWR - ISP

EWRISP

Newark

Sat 8/30

8:51 pm-11:59 pm

2 stops27h 08m

Islip Long Island

Sat 9/6

5:05 pm-9:05 am

1 stop16h 00m

$336

NewarkIslip

EWR - ISP

EWRISP

Newark

Sat 8/30

10:40 am-6:38 pm

1 stop7h 58m

Islip Long Island

Tue 9/2

6:05 am-11:29 pm

1 stop17h 24m

$460

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 9/11

6:26 pm-10:55 am

2 stops40h 29m

$134

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 9/11

6:45 am-3:23 pm

1 stop8h 38m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Newark to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Newark 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.

Related info for your journey

Find useful and relevant information for your journey from Newark 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 Newark?

    Most people fly into Islip Long Island (ISP) if they book a flight to Islip from Newark. On average, Long Island has 0 inbound flights from Newark per day from 0 airlines. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

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

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

  • How can I find direct flights from Newark to Islip?

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

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

    Yes. Cheapflights offers flight deals from Newark 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.

  • What is the cheapest month to book a flight from Newark Airport to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Newark Airport to Islip, New York (average of $108). Flying from Newark Airport to Islip, New York in November is currently the most expensive (average of $213). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

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

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