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$389+ Cheap flights from Islip, NY to Long Beach (ISP - LGB)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LGB
Apr 10 — Apr 171
Fri 4/10
Fri 4/17
1 adult, Economy
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Cheap flight deals from Islip to Long Beach

Cheapest flights from Islip to Long Beach
Explore the most affordable flight options available from Islip to Long Beach. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 11, 2026.

This Southwest deal was found by Cheapflights users on 3/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:30 am
ISP
-
LGB
2 stops10h 55m
Southwest
Sat 4/1811:30 am
LGB
-
ISP
2 stops8h 50m
Southwest
Deal found 3/8$389
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/236:00 am
ISP
-
LGB
2 stops13h 15m
Southwest
Fri 3/2712:25 pm
LGB
-
ISP
2 stops8h 30m
Southwest
Deal found 3/7$577
This Southwest deal was found by Cheapflights users on 3/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/245:45 am
ISP
-
LGB
2 stops12h 20m
Southwest
Sat 3/288:15 am
LGB
-
ISP
2 stops12h 20m
Southwest
Deal found 3/9$583

Find flight deals from Islip to Long Beach

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Long Beach (LGB). 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 March 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(Southwest)

Popular in

December

Cheapest in

January

Average price

$376
Provider with most accurate pricing for Islip Long Island-Long Beach Municipal flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Long Beach Municipal flights.
Search Deals
From Islip Long Island to Long Beach Municipal
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Long Beach 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 March 11, 2026.
Use the filters below to find and compare flights from Islip to Long Beach that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipLong Beach

ISP - LGB

ISPLGB

Islip Long Island

Wed 4/15

6:30 am-2:25 pm

2 stops10h 55m

Long Beach Municipal

Sat 4/18

11:30 am-11:20 pm

2 stops8h 50m

$389

IslipLong Beach

ISP - LGB

ISPLGB

Islip Long Island

Fri 5/1

12:30 pm-9:10 pm

2 stops11h 40m

Long Beach Municipal

Sun 5/3

9:55 am-11:50 pm

2 stops10h 55m

$577

IslipLong Beach

ISP - LGB

ISPLGB

Islip Long Island

Mon 3/23

6:00 am-4:15 pm

2 stops13h 15m

Long Beach Municipal

Fri 3/27

12:25 pm-11:55 pm

2 stops8h 30m

$577

IslipLong Beach

ISP - LGB

ISPLGB

Islip Long Island

Tue 3/24

5:45 am-3:05 pm

2 stops12h 20m

Long Beach Municipal

Sat 3/28

8:15 am-11:35 pm

2 stops12h 20m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Islip, New York-Long Beach flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Long Beach flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Long Beach flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Long Beach 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 Islip, New York-Long Beach 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 Islip to Long Beach

Have a flexible travel schedule? Discover the best time to fly to Long Beach from Islip 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Long Beach

What is the cheapest month to book a flight from Islip, New York to Long Beach?

Currently, August is the cheapest month in which you can book a flight from Islip, New York to Long Beach (average of $90). Flying from Islip, New York to Long Beach in March is currently the most expensive (average of $174). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Islip to Long Beach. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Islip, New York to Long Beach?

    Airlines like Southwest fly from Islip, New York to Long Beach in about 10h 55m. The time it takes to get you to your destination can typically vary by up to . The distance from Islip, New York to Long Beach is about 2493 mi.

  • Can I find deals for flights from Islip to Long Beach that include hotel bookings?

    Yes. In addition to deals on Islip to Long Beach flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Long Beach?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Long Beach.

  • Can I find deals for business class flights from Islip to Long Beach?

    Yes. Cheapflights offers flight deals from Islip to Long Beach by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Long Beach?

    Currently, August is the cheapest month in which you can book a flight from Islip, New York to Long Beach (average of $90). Flying from Islip, New York to Long Beach in March is currently the most expensive (average of $174). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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