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Islip

$230+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — ISP
Jul 10 — Jul 171
Fri 7/10
Fri 7/17
1 adult, Economy
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Cheap 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 June 10, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/7. 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.
Mon 8/2410:29 pm
EWR
-
ISP
2 stops18h 18m
Multiple Airlines
Fri 9/410:48 am
ISP
-
EWR
1 stop23h 43m
Multiple Airlines
Deal found 6/7$419
This Priceline deal was found by Cheapflights users on 6/8. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/712:00 pm
EWR
-
ISP
1 stop10h 58m
JetBlue
Tue 7/146:00 am
ISP
-
EWR
1 stop8h 29m
JetBlue
Deal found 6/8$458
This JetBlue deal was found by Cheapflights users on 6/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/93:38 pm
EWR
-
ISP
1 stop7h 44m
JetBlue
Sat 9/122:00 pm
ISP
-
EWR
1 stop9h 44m
JetBlue
Deal found 6/7$473
This Expedia deal was found by Cheapflights users on 6/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:00 am
EWR
-
ISP
1 stop12h 22m
JetBlue
Wed 7/226:00 am
ISP
-
EWR
1 stop8h 29m
JetBlue
Deal found 6/9$481
This JetBlue deal was found by Cheapflights users on 6/5. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:00 am
EWR
-
ISP
1 stop7h 05m
JetBlue
Wed 10/76:00 am
ISP
-
EWR
1 stop6h 59m
JetBlue
Deal found 6/5$548
This JetBlue deal was found by Cheapflights users on 6/7. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:29 am
EWR
-
ISP
1 stop7h 43m
JetBlue
Wed 6/243:07 pm
ISP
-
EWR
1 stop8h 14m
JetBlue
Deal found 6/7$645
This JetBlue deal was found by Cheapflights users on 6/9. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/99:55 am
EWR
-
ISP
1 stop11h 49m
JetBlue
Wed 7/156:00 am
ISP
-
EWR
1 stop15h 43m
JetBlue
Deal found 6/9$652
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/1011:30 am
EWR
-
ISP
1 stop9h 27m
Multiple Airlines
Wed 6/179:52 pm
ISP
-
EWR
2 stops13h 44m
Multiple Airlines
Deal found 6/5$673
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/31:33 pm
EWR
-
ISP
1 stop9h 44m
JetBlue
Fri 7/106:00 am
ISP
-
EWR
1 stop8h 29m
JetBlue
Deal found 6/5$688
This United deal was found by Cheapflights users on 6/7. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/177:00 am
EWR
-
ISP
1 stop5h 30m
Multiple Airlines
Fri 7/245:29 pm
ISP
-
EWR
1 stop14h 00m
Multiple Airlines
Deal found 6/7$714
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 6/1011:30 am
EWR
-
ISP
1 stop9h 27m
Frontier
Wed 6/179:52 pm
ISP
-
EWR
1 stop12h 38m
Frontier
Deal found 6/5$723

Find 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 June 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$419
(Kiwi.com)

One-way from

$230
(Kiwi.com)
Provider with most accurate pricing for Newark-Islip Long Island flight deals.
Search Deals
Provider most trusted by Cheapflights users for Newark-Islip Long Island flights.
Search Deals
From Newark to Islip Long Island
Search Deals
One-way flight from Newark to Islip Long Island
Search Deals

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 June 10, 2026.
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

Cheapest round-trip

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 7/14

8:00 am-8:22 pm

1 stop12h 22m

Islip Long Island

Wed 7/22

6:00 am-2:29 pm

1 stop8h 29m

$481

NewarkIslip

EWR - ISP

EWRISP

Newark

Thu 7/9

9:55 am-9:44 pm

1 stop11h 49m

Islip Long Island

Wed 7/15

6:00 am-9:43 pm

1 stop15h 43m

$652

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/3

1:33 pm-11:17 pm

1 stop9h 44m

Islip Long Island

Fri 7/10

6:00 am-2:29 pm

1 stop8h 29m

$688

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/17

7:00 am-12:30 pm

1 stop5h 30m

Islip Long Island

Fri 7/24

5:29 pm-7:29 am

1 stop14h 00m

$714

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 8/24

8:30 am-8:15 pm

1 stop11h 45m

Islip Long Island

Fri 9/4

5:29 pm-7:24 am

1 stop13h 55m

$774
Quickest round-trip

NewarkIslip

EWR - ISP

EWRISP

Newark

Tue 6/23

6:29 am-2:12 pm

1 stop7h 43m

Islip Long Island

Sat 6/27

3:39 pm-11:21 pm

1 stop7h 42m

$833
Cheapest one-way

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/10

9:55 am-9:53 am

2 stops23h 58m

$230

NewarkIslip

EWR - ISP

EWRISP

Newark

Mon 6/22

11:30 am-3:56 pm

1 stop28h 26m

$268

NewarkIslip

EWR - ISP

EWRISP

Newark

Fri 7/10

11:30 am-9:53 am

1 stop22h 23m

$273
Quickest one-way

NewarkIslip

EWR - ISP

EWRISP

Newark

Wed 7/1

1:30 pm-10:03 am

2 stops20h 33m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/6

Showing 1-10 of 15 resultsSorted by cheapest first
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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 June.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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, New York 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, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-Islip, New York 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, New York 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.

  • How long is the flight from Newark Airport to Islip, New York?

    JetBlue can get you from Newark Airport to Islip, New York in just under 12h 22m. Your travel time can differ by up to . Newark Airport and Islip, New York are separated by a distance of 57 mi.

  • 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.

See more FAQs

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