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Cheap flights from Newark Airport to New York from $148

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to New York departing on 8/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Newark Airport to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:29 pm - 9:53 am
EWR
-
ISP
35h 24m
2 stops
Frontier Logo
10:57 am - 10:30 am
ISP
-
EWR
23h 33m
1 stop
$353Frontier
Thu, Jul 30 - Wed, Aug 26
JetBlue Logo
8:00 am - 9:49 pm
EWR
-
ISP
13h 49m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$438JetBlue
Tue, Sep 1 - Wed, Sep 2
JetBlue Logo
6:05 am - 12:30 pm
EWR
-
ISP
6h 25m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$478JetBlue
Tue, Sep 1 - Wed, Sep 2
JetBlue Logo
6:05 am - 12:30 pm
EWR
-
ISP
6h 25m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$503JetBlue
Tue, Sep 1 - Wed, Sep 2
JetBlue Logo
6:00 am - 7:33 pm
EWR
-
ISP
13h 33m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$508JetBlue
Tue, Aug 4 - Tue, Aug 11
Multiple Airlines Logo
10:55 am - 9:53 am
EWR
-
ISP
22h 58m
2 stops
Multiple Airlines Logo
10:57 am - 10:31 am
ISP
-
EWR
23h 34m
1 stop
$513Multiple Airlines
Fri, Jul 31 - Mon, Aug 3
JetBlue Logo
8:00 am - 9:49 pm
EWR
-
ISP
13h 49m
1 stop
JetBlue Logo
11:35 am - 11:57 pm
ISP
-
EWR
12h 22m
2 stops
$521JetBlue
Tue, Sep 1 - Wed, Sep 2
JetBlue Logo
8:00 am - 9:44 pm
EWR
-
ISP
13h 44m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$533JetBlue
Wed, Aug 5 - Wed, Aug 12
JetBlue Logo
6:00 am - 7:33 pm
EWR
-
ISP
13h 33m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$538JetBlue
Tue, Aug 25 - Wed, Aug 26
JetBlue Logo
8:00 am - 9:44 pm
EWR
-
ISP
13h 44m
1 stop
JetBlue Logo
6:00 am - 2:30 pm
ISP
-
EWR
8h 30m
1 stop
$638JetBlue
Tue, Jul 28 - Fri, Aug 28

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JetBlue flights from Newark Airport to Islip, New York

Our best JetBlue deals on Newark Airport to Islip, New York flight tickets
JetBlue
Sep 1
EWR8:00 amNewark
13h 49m
1 stop
ISP9:49 pmIslip Long Island
Sep 2
ISP6:00 amIslip Long Island
8h 30m
1 stop
EWR2:30 pmNewark
$438
JetBlue
Sep 1
EWR6:05 amNewark
6h 25m
1 stop
ISP12:30 pmIslip Long Island
Sep 2
ISP6:00 amIslip Long Island
8h 30m
1 stop
EWR2:30 pmNewark
$478
JetBlue
Sep 1
EWR6:05 amNewark
6h 25m
1 stop
ISP12:30 pmIslip Long Island
Sep 2
ISP6:00 amIslip Long Island
8h 30m
1 stop
EWR2:30 pmNewark
$503

momondo Fare Finder

 
Customize your flight search to find flights from Newark Airport to Islip, New York 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, momondo users made 832,500 searches. Data last updated July 9, 2026.
Use the filters below to find and compare flights from Newark Airport to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 7/30

10:29 pm-9:53 am

2 stops35h 24m

Islip Long Island

Wed 8/26

10:57 am-10:30 am

1 stop23h 33m

$353

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 9/1

8:00 am-9:49 pm

1 stop13h 49m

Islip Long Island

Wed 9/2

6:00 am-2:30 pm

1 stop8h 30m

$438
Quickest round-trip

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 9/1

6:05 am-12:30 pm

1 stop6h 25m

Islip Long Island

Wed 9/2

6:00 am-2:30 pm

1 stop8h 30m

$478

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 9/1

6:05 am-12:30 pm

1 stop6h 25m

Islip Long Island

Wed 9/2

6:00 am-2:30 pm

1 stop8h 30m

$503

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 8/4

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

Tue 8/11

6:00 am-2:30 pm

1 stop8h 30m

$508

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/31

10:55 am-9:53 am

2 stops22h 58m

Islip Long Island

Mon 8/3

10:57 am-10:31 am

1 stop23h 34m

$513

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 9/1

8:00 am-9:49 pm

1 stop13h 49m

Islip Long Island

Wed 9/2

11:35 am-11:57 pm

2 stops12h 22m

$521

NewarkIslip

EWR - ISP

EWRISP

Newark

Wed 8/5

8:00 am-9:44 pm

1 stop13h 44m

Islip Long Island

Wed 8/12

6:00 am-2:30 pm

1 stop8h 30m

$533

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 8/25

6:00 am-7:33 pm

1 stop13h 33m

Islip Long Island

Wed 8/26

6:00 am-2:30 pm

1 stop8h 30m

$538

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 7/28

8:00 am-9:44 pm

1 stop13h 44m

Islip Long Island

Fri 8/28

6:00 am-2:30 pm

1 stop8h 30m

$638

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Newark Airport to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Newark to Islip Long Island?

Frontier is the most popular carrier operating from Newark to Islip Long Island

When to book flights from Newark Airport to Islip, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Newark Airport to Islip, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Newark Airport to Islip, New York (EWR to ISP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Newark Airport to Islip, New York

Fastest flight time

4h 41m

Direct flights

None
The fastest flight from Newark Airport to Islip, New York takes 4h 41m
There are no direct flights from Newark Airport to Islip, New York. There are no popular flight routes from Newark Airport to Islip, New York.
Search flight deals

Frequently asked questions about flying from Newark Airport to Islip, New York

  • How far is Newark to Islip Long Island by plane?

    The straight-line distance from Newark to Islip Long Island is 50.6 mi. Typically, this will take 4h 41m by plane in normal conditions.

  • When did momondo last update prices for flights from Newark Airport to Islip Long Island Airport?

    Prices for flights from Newark Airport to Islip Long Island Airport refresh daily.

  • How old do you have to be to fly from Newark Airport to Islip Long Island Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Newark Airport to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
Amagansett

Why use momondo?

Why should I use momondo to find a flight deal from New York to Islip?

Finding the right flight to Islip from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from New York to Islip with flexible booking policies on momondo?

Yes. All flights to Islip from New York on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from New York to Islip?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Islip from New York.

I’m not ready to book a flight from New York to Islip right now. Can momondo alert me if prices change?

If you are not ready to book a flight from New York to Islip now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Islip and let you know when they change.

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