$132 Cheap Flights from Islip (ISP) to Los Angeles (LAX)

View $132 flight on Tue, Jan 20, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $132 for one-way flights and $263 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Nov 10 - Mon, Nov 17
ISP
Islip
LAX
Los Angeles
$263 Roundtrip, found 6 hours ago
$263
Roundtrip
found 6 hours ago
Select JetBlue Airways flight, departing Mon, Nov 10 from Islip to Los Angeles, returning Mon, Nov 17, priced at $263 found 6 hours ago
JetBlue Airways
Mon, Oct 27 - Tue, Nov 4
ISP
Islip
LAX
Los Angeles
$303 Roundtrip, found 1 day ago
$303
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Oct 27 from Islip to Los Angeles, returning Tue, Nov 4, priced at $303 found 1 day ago
Southwest Airlines
Fri, Oct 24 - Mon, Oct 27
ISP
Islip
LAX
Los Angeles
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Fri, Oct 24 from Islip to Los Angeles, returning Mon, Oct 27, priced at $304 found 6 days ago
Southwest Airlines
Wed, Dec 3 - Tue, Dec 9
ISP
Islip
LAX
Los Angeles
$305 Roundtrip, found 13 hours ago
$305
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Wed, Dec 3 from Islip to Los Angeles, returning Tue, Dec 9, priced at $305 found 13 hours ago
Frontier Airlines
Thu, Oct 16 - Tue, Oct 21
ISP
Islip
LAX
Los Angeles
$306 Roundtrip, found 6 days ago
$306
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Thu, Oct 16 from Islip to Los Angeles, returning Tue, Oct 21, priced at $306 found 6 days ago
Frontier Airlines
Thu, Oct 23 - Mon, Oct 27
ISP
Islip
LAX
Los Angeles
$309 Roundtrip, found 10 hours ago
$309
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Oct 23 from Islip to Los Angeles, returning Mon, Oct 27, priced at $309 found 10 hours ago
Southwest Airlines
Sat, Oct 25 - Mon, Oct 27
ISP
Islip
LAX
Los Angeles
$311 Roundtrip, found 3 days ago
$311
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sat, Oct 25 from Islip to Los Angeles, returning Mon, Oct 27, priced at $311 found 3 days ago
JetBlue Airways
Mon, Oct 20 - Mon, Oct 27
ISP
Islip
LAX
Los Angeles
$313 Roundtrip, found 12 hours ago
$313
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Mon, Oct 20 from Islip to Los Angeles, returning Mon, Oct 27, priced at $313 found 12 hours ago
JetBlue Airways
Thu, Dec 4 - Sat, Dec 6
ISP
Islip
LAX
Los Angeles
$316 Roundtrip, found 14 hours ago
$316
Roundtrip
found 14 hours ago
Select JetBlue Airways flight, departing Thu, Dec 4 from Islip to Los Angeles, returning Sat, Dec 6, priced at $316 found 14 hours ago
JetBlue Airways
Mon, Oct 27 - Sun, Nov 2
ISP
Islip
LAX
Los Angeles
$318 Roundtrip, found 1 day ago
$318
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Oct 27 from Islip to Los Angeles, returning Sun, Nov 2, priced at $318 found 1 day ago
Flights from Islip (ISP) to Los Angeles (LAX)
Origin airport
MacArthur
Destination airport
Los Angeles Intl.
Airlines serving
Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$262
Distance
2503 mi

Islip to Los Angeles Flights

The cheapest times to fly from Islip to Los Angeles

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

 

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

Sunday is one of the best days to book for cheap flights from Islip to Los Angeles: 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 Islip to Los Angeles

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 Islip to Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $132 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 Islip to Los Angeles 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 Islip to Los Angeles 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.

 

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX) cost?
Secure a cheap one-way flight from $132 or cheap return flight from $263 from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX)?
The cheapest month to fly from ISP to LAX is November, when there's less demand. Off-peak months are often when airlines offer lower prices between these airports.
Which airlines fly direct from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX)?
You can't catch a nonstop flight to Los Angeles Intl. Airport (LAX) from Islip, NY (ISP-MacArthur). However, you can arrive in Los Angeles without any layovers by leaving from John F. Kennedy Intl. Airport (JFK).
What is the cheapest airline that flies from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX)?
To find the cheapest airline that'll fly you from ISP to LAX, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX)?
You'll need to take a flight with a layover when traveling from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from ISP to LAX?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX)?
To arrive at Los Angeles Intl. Airport (LAX) on time, choose a flight that leaves MacArthur Airport (ISP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX) last-minute?
Last-minute fares from ISP to LAX are typically more expensive. To lock in the cheapest rates, start looking for flights well in advance. That said, if you can play around with your travel dates, it's possible to land a cheap fare right before you leave.
Is it cheaper to book an ISP to LAX flight and hotel package?
Compared with arranging flights and hotels separately, booking an ISP to LAX flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Los Angeles Intl. Airport (LAX)?
In most cases, you can reschedule or cancel your ISP to LAX flight. However, additional fees may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want further details, visit our Customer Service portal.

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*Available to One Key members.