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.

What is the cheapest time of day to fly from EWR to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Newark Airport to Islip, New York as you normally would.

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.

$198+ Flights from Newark Airport to Islip, NY

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Cheap flight deals from Newark to Islip

Round-trip from	$454 (JetBlue)
One-way from	$198 (Mytrip)

From Newark to Islip Long Island

Search Deals

One-way flight from Newark to Islip Long Island

Search Deals

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 junio 5, 2025.

jue. 8/76:25 amEWR - ISP

1 stop6h 16mJetBlue

mié. 8/1312:35 pmISP - EWR

1 stop10h 25mJetBlue

Deal found 6/4

$454

sáb. 6/146:42 pmEWR - ISP

3 stops24h 17mMultiple Airlines

vie. 6/203:59 pmISP - EWR

1 stop5h 01mMultiple Airlines

Deal found 6/4

$509

Best flights from Newark to Islip
Discover carefully curated flight deals from Newark to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 5, 2025.

jue. 8/76:25 amEWR - ISP

1 stop6h 16mJetBlue

mié. 8/1312:35 pmISP - EWR

1 stop10h 25mJetBlue

Deal found 6/4

$454

vie. 10/175:45 amEWR - ISP

2 stops14h 16mMultiple Airlines

vie. 10/242:25 pmISP - EWR

1 stop27h 07mMultiple Airlines

Deal found 6/3

$660

Last-minute flights from Newark to Islip
Discover last-minute flight deals from Newark to Islip. Data last updated junio 5, 2025 and is based on user searches.

sáb. 6/146:00 amEWR - ISP

1 stop6h 26mJetBlue

mié. 6/181:21 pmISP - EWR

1 stop10h 27mJetBlue

Deal found 6/3

$494

sáb. 6/146:42 pmEWR - ISP

3 stops24h 17mMultiple Airlines

vie. 6/203:59 pmISP - EWR

1 stop5h 01mMultiple Airlines

Deal found 6/4

$509

mié. 7/26:00 amEWR - ISP

1 stop6h 26mJetBlue

mié. 7/912:35 pmISP - EWR

1 stop10h 25mJetBlue

Deal found 6/5

$485

One-way flights from Newark to Islip
Search for one-way flight options from Newark to Islip. Find affordable one-way fares based on user searches. Data last updated junio 5, 2025.

jue. 7/34:40 pmEWR - ISP

1 stop22h 39mMultiple Airlines

Deal found 6/5

$198

vie. 6/206:00 amEWR - ISP

1 stop6h 26mJetBlue

Deal found 6/3

$262

Cheapflights Fare Finder

Use the filters below to find and compare flights from Newark Airport to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

NewarkIslip

EWR - ISP

EWRISP

Newark

jue. 8/7

6:25 am-12:41 pm

1 stop6h 16m

Islip Long Island

mié. 8/13

12:35 pm-11:00 pm

1 stop10h 25m

$454

NewarkIslip

EWR - ISP

EWRISP

Newark

vie. 10/17

5:45 am-8:01 pm

2 stops14h 16m

Islip Long Island

vie. 10/24

2:25 pm-5:32 pm

1 stop27h 07m

$660

NewarkIslip

EWR - ISP

EWRISP

Newark

jue. 7/3

4:40 pm-3:19 pm

1 stop22h 39m

$198

NewarkIslip

EWR - ISP

EWRISP

Newark

vie. 6/20

6:00 am-12:26 pm

1 stop6h 26m

$262

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

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.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Islip

Rainfall in Islip by month

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

JetBlue

7.3

Good

2,928 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

JetBlue

7.3

Good

2,928 reviews

JetBlue

7.3

Good

2,928 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Feb 2025

JFK - CHS

Boarding took a very long time, in fact we were delayed by at least 30mins. There wasn’t many options for snacks and there was only water. The pilot did an excellent job

Related info for your journey

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.

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$198+ 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 7/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Newark to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Newark to Islip

Round-trip from

One-way from

Find flight deals from Newark to Islip

Cheapest flights from Newark to IslipExplore 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 junio 5, 2025.

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 junio 5, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Newark Airport to Islip that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Islip

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated junio 5, 2025.

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?

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

How can I find direct flights from Newark to Islip?

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

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

Traveling to a place near Newark Airport?

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

Alternative routes for Newark to Islip

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Travel Smart

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 junio 5, 2025.