$100 Cheap Flights from Los Angeles (LAX) to Islip (ISP)

View $100 flight on Sat, Apr 11, 2026Opens in a new window

Popular airlines from Los Angeles Intl. (LAX) to MacArthur Airport (ISP)

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Cheap Flights from Los Angeles to Islip (LAX-ISP)

Prices were available within the past 7 days and start at $100 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Apr 19 - Mon, May 4
LAX
Los Angeles
ISP
Islip
$210 Roundtrip, found 3 days ago
$210
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Apr 19 from Los Angeles to Islip, returning Mon, May 4, priced at $210 found 3 days ago
Frontier Airlines
Wed, Apr 1 - Mon, Apr 13
LAX
Los Angeles
ISP
Islip
$231 Roundtrip, found 3 days ago
$231
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Apr 1 from Los Angeles to Islip, returning Mon, Apr 13, priced at $231 found 3 days ago
Frontier Airlines
Sun, Apr 5 - Thu, Apr 16
LAX
Los Angeles
ISP
Islip
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Apr 5 from Los Angeles to Islip, returning Thu, Apr 16, priced at $235 found 3 days ago
Frontier Airlines
Wed, Apr 1 - Mon, Apr 20
LAX
Los Angeles
ISP
Islip
$252 Roundtrip, found 3 days ago
$252
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Wed, Apr 1 from Los Angeles to Islip, returning Mon, Apr 20, priced at $252 found 3 days ago
Frontier Airlines
Wed, Apr 1 - Thu, Apr 23
LAX
Los Angeles
ISP
Islip
$255 Roundtrip, just found
$255
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Apr 1 from Los Angeles to Islip, returning Thu, Apr 23, priced at $255 just found
Frontier Airlines
Sun, Apr 5 - Mon, Apr 20
LAX
Los Angeles
ISP
Islip
$256 Roundtrip, found 3 days ago
$256
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Apr 5 from Los Angeles to Islip, returning Mon, Apr 20, priced at $256 found 3 days ago
Frontier Airlines
Sun, Apr 5 - Thu, Apr 9
LAX
Los Angeles
ISP
Islip
$270 Roundtrip, found 1 day ago
$270
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, Apr 5 from Los Angeles to Islip, returning Thu, Apr 9, priced at $270 found 1 day ago
Southwest Airlines
Fri, Apr 10 - Fri, May 1
LAX
Los Angeles
ISP
Islip
$335 Roundtrip, just found
$335
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Apr 10 from Los Angeles to Islip, returning Fri, May 1, priced at $335 just found
JetBlue Airways
Tue, Apr 21 - Tue, May 5
LAX
Los Angeles
ISP
Islip
$375 Roundtrip, found 3 days ago
$375
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Apr 21 from Los Angeles to Islip, returning Tue, May 5, priced at $375 found 3 days ago
Breeze Airways
Mon, May 18 - Wed, May 20
LAX
Los Angeles
ISP
Islip
$599 Roundtrip, found 1 day ago
$599
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Mon, May 18 from Los Angeles to Islip, returning Wed, May 20, priced at $599 found 1 day 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 $718
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $718

Frequently asked questions

How much does a flight from Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $100 and cheap return flights from $210 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur) with Expedia. One-way flights typically cost between $240 and $1184, and return flights often range between $459 and $2270. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
The cheapest month to fly from LAX 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
Enter LAX to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Los Angeles (LAX) to Islip (ISP), with round-trip tickets starting from around $322 with a layover in Denver (DEN). 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Los Angeles, CA (LAX-Los Angeles Intl.) 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 Los Angeles, CA (LAX-Los Angeles Intl.) 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
The earliest flight from Los Angeles, CA (LAX) to Islip, NY (ISP) usually departs at around 12:05 AM, operated by United Airlines. This seasonal service is available in August, allowing you to start your journey early and make the most of your time in Islip. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
The most popular departure times for flights from Los Angeles Intl. (LAX) to MacArthur (ISP) are in the late evening, from 9pm to midnight. About 46% of passengers prefer this time window. Many major carriers, including United Airlines, Southwest Airlines, and United Airlines, offer flights during this window. This timing works well because it allows you to maximize your time in Los Angeles before your flight.
How long does it take to fly from Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
A flight from LAX to ISP with a layover takes around 8 hours 50 minutes, with the route covering approximately 2,504 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for LAX 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Los Angeles, CA (LAX-Los Angeles Intl.) 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.
What airports do you fly into for Islip from Los Angeles Intl. (LAX)?
From Los Angeles Intl. (LAX), you can fly into MacArthur (ISP) to reach Islip. Some flights may connect through major hubs like Denver Intl. (DEN), Nashville Intl. (BNA), William P. Hobby (HOU) before reaching Islip. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Los Angeles, CA (LAX-Los Angeles Intl.) 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Los Angeles, CA (LAX-Los Angeles Intl.) 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 Los Angeles, CA (LAX-Los Angeles Intl.) to Islip, NY (ISP-MacArthur)?
If you booked your Los Angeles, CA (LAX-Los Angeles Intl.) 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
Los Angeles Intl.
Destination airport
MacArthur
Airlines serving
Breeze Airways, Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$210
Distance
2503 mi

Book with confidence

Los Angeles to Islip Flights

The cheapest times to fly from Los Angeles 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 Los Angeles to Islip are during the month of April. You can find some of the cheapest flights from Los Angeles to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Los Angeles to Islip

Sunday is one of the best days to book for cheap flights from Los Angeles 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 Los Angeles 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 Los Angeles to Islip in 2026. You can also book with separate airlines for your outbound and return journeys, from $100 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 Los Angeles 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 Los Angeles 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.

 

Los Angeles to Islip Flights

*Flight schedules are subject to change.

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*Available to One Key members.