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Islip

$253+ Cheap flights from Newark (EWR) to Islip (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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Nov 2 — Nov 91
Sun 11/2
Sun 11/9
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 October 3, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$282
(Kiwi.com)

One-way from

$253
(Expedia)
Provider with most accurate pricing for Newark-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Newark-Islip Long Island flights.
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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 October 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/1. 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 11/65:45 amEWR - ISP
2 stops13h 11mMultiple Airlines
Mon 11/108:02 pmISP - EWR
1 stop14h 39mMultiple Airlines
Deal found 10/1$282

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 October 3, 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

Thu 11/6

5:45 am-6:56 pm

2 stops13h 11m

Islip Long Island

Mon 11/10

8:02 pm-10:41 am

1 stop14h 39m

$282

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 12/1

9:30 pm-9:55 am

1 stop12h 25m

$253

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 12/1

10:30 pm-7:14 pm

2 stops20h 44m

$321

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 12/1

11:59 pm-11:04 am

3 stops35h 05m

$788

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Compare providers for flights from Newark to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to Islip in October.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-Islip flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-Islip flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Islip flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Islip flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-Islip flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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?

    Currently, January is the cheapest month in which you can book a flight from Newark Airport to Islip (average of $108). Flying from Newark Airport to Islip 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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