$162 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Islip (ISP)

View $162 flight on Wed, Apr 22, 2026Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to MacArthur Airport (ISP)

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Cheap Flights from Newark Liberty Intl. Airport to Islip (EWR-ISP)

Prices were available within the past 7 days and start at $162 for one-way flights and $323 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Wed, Apr 29 - Tue, May 5
EWR
New York
ISP
Islip
$323 Roundtrip, found 1 day ago
$323
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Apr 29 from New York to Islip, returning Tue, May 5, priced at $323 found 1 day ago
JetBlue Airways
Wed, Apr 29 - Fri, May 8
EWR
New York
ISP
Islip
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Apr 29 from New York to Islip, returning Fri, May 8, priced at $338 found 1 day ago
JetBlue Airways
Tue, Apr 28 - Tue, May 5
EWR
New York
ISP
Islip
$344 Roundtrip, found 1 day ago
$344
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Apr 28 from New York to Islip, returning Tue, May 5, priced at $344 found 1 day ago
JetBlue Airways
Fri, Mar 6 - Wed, Mar 11
EWR
New York
ISP
Islip
$353 Roundtrip, found 6 days ago
$353
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Fri, Mar 6 from New York to Islip, returning Wed, Mar 11, priced at $353 found 6 days ago
JetBlue Airways
Tue, Apr 28 - Fri, May 8
EWR
New York
ISP
Islip
$359 Roundtrip, found 1 day ago
$359
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Apr 28 from New York to Islip, returning Fri, May 8, priced at $359 found 1 day ago
JetBlue Airways
Mon, Mar 9 - Wed, Mar 11
EWR
New York
ISP
Islip
$363 Roundtrip, just found
$363
Roundtrip
just found
Select JetBlue Airways flight, departing Mon, Mar 9 from New York to Islip, returning Wed, Mar 11, priced at $363 just found
JetBlue Airways
Tue, Mar 3 - Tue, Mar 10
EWR
New York
ISP
Islip
$373 Roundtrip, found 2 days ago
$373
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Tue, Mar 3 from New York to Islip, returning Tue, Mar 10, priced at $373 found 2 days ago
JetBlue Airways
Wed, Apr 29 - Thu, May 7
EWR
New York
ISP
Islip
$383 Roundtrip, found 1 day ago
$383
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Wed, Apr 29 from New York to Islip, returning Thu, May 7, priced at $383 found 1 day ago
JetBlue Airways
Fri, Mar 6 - Wed, Mar 11
EWR
New York
ISP
Islip
$393 Roundtrip, just found
$393
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Mar 6 from New York to Islip, returning Wed, Mar 11, priced at $393 just found
JetBlue Airways
Tue, Mar 17 - Mon, Mar 30
EWR
New York
ISP
Islip
$398 Roundtrip, found 4 days ago
$398
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Mar 17 from New York to Islip, returning Mon, Mar 30, priced at $398 found 4 days ago

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Alternative airports near Islip

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $393
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $393

Frequently asked questions

How much does a flight from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $162 and cheap return flights from $323 EWR to ISP with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when EWR to ISP ticket fares go up or down.
What is the cheapest month to fly from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
The cheapest month to fly from EWR to ISP is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
Enter EWR to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
United, American Airlines and JetBlue Airways are just some of the carriers that fly from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from EWR to ISP. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
Flying from EWR to ISP with a connection usually takes about 5 hours, traveling roughly 57 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for EWR to ISP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur)?
If you booked your Newark Liberty Intl. Airport (EWR) to Islip, NY (ISP-MacArthur) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
MacArthur
Airlines serving
JetBlue Airways
Roundtrip price
$322
Distance
56 mi

Book with confidence

Newark Liberty Intl. Airport to Islip Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Newark Liberty Intl. Airport to Islip are during the month of April. You can find some of the cheapest flights from Newark Liberty Intl. Airport to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Newark Liberty Intl. Airport to Islip

Sunday is one of the best days to book for cheap flights from Newark Liberty Intl. Airport to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Newark Liberty Intl. Airport to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Newark Liberty Intl. Airport to Islip in 2026. You can also book with separate airlines for your outbound and return journeys, from $162 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Newark Liberty Intl. Airport to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Newark Liberty Intl. Airport to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Newark Liberty Intl. Airport to Islip Flights

*Flight schedules are subject to change.

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