$189 Cheap Flights from Long Beach (LGB) to Islip (ISP)

View $189 flight on Tue, Apr 28, 2026Opens in a new window

Popular airlines from Long Beach Municipal Airport (LGB) to MacArthur Airport (ISP)

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Cheap Flights from Long Beach to Islip (LGB-ISP)

Prices were available within the past 7 days and start at $189 for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Apr 2 - Sat, Apr 11
LGB
Long Beach
ISP
Islip
$429 Roundtrip, found 6 days ago
$429
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, Apr 2 from Long Beach to Islip, returning Sat, Apr 11, priced at $429 found 6 days ago
Southwest Airlines
Thu, Apr 2 - Sat, Apr 11
LGB
Long Beach
ISP
Islip
$439 Roundtrip, found 6 days ago
$439
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, Apr 2 from Long Beach to Islip, returning Sat, Apr 11, priced at $439 found 6 days ago
Southwest Airlines
Thu, Apr 2 - Sat, Apr 11
LGB
Long Beach
ISP
Islip
$444 Roundtrip, found 6 days ago
$444
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, Apr 2 from Long Beach to Islip, returning Sat, Apr 11, priced at $444 found 6 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$473 Roundtrip, found 5 days ago
$473
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $473 found 5 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$483 Roundtrip, found 5 days ago
$483
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $483 found 5 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$485 Roundtrip, found 5 days ago
$485
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $485 found 5 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$488 Roundtrip, found 5 days ago
$488
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $488 found 5 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$489 Roundtrip, found 5 days ago
$489
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $489 found 5 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$490 Roundtrip, found 5 days ago
$490
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $490 found 5 days ago
Southwest Airlines
Sat, Jun 20 - Sun, Sep 20
LGB
Long Beach
ISP
Islip
$495 Roundtrip, found 5 days ago
$495
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Sat, Jun 20 from Long Beach to Islip, returning Sun, Sep 20, priced at $495 found 5 days ago

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Frequently asked questions

How much does a flight from Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $189 and cheap return flights from $429 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur) with Expedia. Return flights typically cost between $575 and $964. 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 Long Beach, CA (LGB-Long Beach Municipal) 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
The cheapest month to fly from LGB 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
Enter LGB to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
Southwest Airlines is one of the cheapest airlines offering connecting flights from Long Beach Municipal (LGB) to MacArthur (ISP), with round-trip tickets starting from around $548 with a layover in Harry Reid Intl. (LAS). 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Long Beach, CA (LGB-Long Beach Municipal) 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 Long Beach, CA (LGB-Long Beach Municipal) 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
The earliest flight from Long Beach, CA (Long Beach Municipal) to Islip, NY (MacArthur) usually departs at around 7:00 AM, operated by WN. This early flight can help you arrive in Islip with plenty of time to spare. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
You'll usually find the most flights from Long Beach Municipal (LGB) to MacArthur (ISP) on a Friday, with around 5 flights available. This gives you plenty of options for your travel plans. A major airline on this route is Delta.
What are the most popular departure times for flights from Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
The most popular departure times for flights from Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur) are in the late morning, from 9am to 12pm. About 42% of passengers choose this time window. Many major carriers, including Southwest Airlines, offer flights during this period. This timing is favored because it allows you to start your day without an early wake-up call.
How long does it take to fly from Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
A flight from LGB to ISP with a layover takes around 8 hours, with the route covering approximately 2,494 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for LGB 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Long Beach, CA (LGB-Long Beach Municipal) 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 Long Beach Municipal (LGB)?
If you're planning to travel to Islip from Long Beach Municipal (LGB), you can fly into MacArthur (ISP) Some flights may connect through major hubs like Harry Reid Intl. (LAS), Salt Lake City Intl. (SLC) 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Long Beach, CA (LGB-Long Beach Municipal) 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Long Beach, CA (LGB-Long Beach Municipal) 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 Long Beach, CA (LGB-Long Beach Municipal) to Islip, NY (ISP-MacArthur)?
If you booked your Long Beach, CA (LGB-Long Beach Municipal) 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
Long Beach Municipal
Destination airport
MacArthur
Roundtrip price
$428
Distance
2494 mi

Book with confidence

Long Beach to Islip Flights

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

 

The best time to book a flight from Long Beach to Islip

Sunday is one of the best days to book for cheap flights from Long Beach 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 Long Beach 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 Long Beach to Islip in 2026. You can also book with separate airlines for your outbound and return journeys, from $189 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 Long Beach 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 Long Beach 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.

 

Long Beach to Islip Flights

*Flight schedules are subject to change.

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