$304+ Cheap flights from Islip, NY to Long Beach (ISP - LGB)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LGB
Sep 7 — Sep 141
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Long Beach
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Best
Last-minute
One-way
Cheapest flights from Islip to Long BeachExplore 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 August 8, 2026.
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 August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 8/295:30 am -
2 stops11h 55m
Mon 9/79:10 am -
2 stops10h 00m
Deal found 8/4![Southwest logo]()
$480
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 8/2812:35 pm -
2 stops9h 40m
Mon 9/79:10 am -
2 stops10h 00m
Deal found 8/4![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 8/6. 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 8/1812:55 pm -
2 stops9h 55m
Sun 8/237:15 pm -
2 stops11h 25m
Deal found 8/6![Southwest logo]()
$852
Best flights from Islip to Long BeachDiscover carefully curated flight deals from Islip to Long Beach that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
Discover carefully curated flight deals from Islip to Long Beach that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 8/295:30 am -
2 stops11h 55m
Mon 9/79:10 am -
2 stops10h 00m
Deal found 8/4![Southwest logo]()
$480
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 8/2812:35 pm -
2 stops9h 40m
Mon 9/79:10 am -
2 stops10h 00m
Deal found 8/4![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 8/6. 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 8/1812:55 pm -
2 stops9h 55m
Sun 8/237:15 pm -
2 stops11h 25m
Deal found 8/6![Southwest logo]()
$852
Last-minute flights from Islip to Long BeachDiscover last-minute flight deals from Islip to Long Beach. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Long Beach. Data last updated August 8, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/6. 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 8/1812:55 pm -
2 stops9h 55m
Sun 8/237:15 pm -
2 stops11h 25m
Deal found 8/6![Southwest logo]()
$852
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 8/2812:35 pm -
2 stops9h 40m
Mon 9/79:10 am -
2 stops10h 00m
Deal found 8/4![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 8/4. 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.
Sat 8/295:30 am -
2 stops11h 55m
Mon 9/79:10 am -
2 stops10h 00m
Deal found 8/4![Southwest logo]()
$480
One-way flights from Islip to Long BeachSearch for one-way flight options from Islip to Long Beach. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
Search for one-way flight options from Islip to Long Beach. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/6. 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.
Fri 8/2110:20 am -
2 stops11h 00m
Deal found 8/6![Southwest logo]()
$304
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 August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $480 (Southwest) |
One-way from | $304 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $395 |
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 August 8, 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
Cheapest round-trip
IslipLong Beach
ISP Islip Long Island - LGB Long Beach Municipal
ISPLGB
Islip Long Island
Sat 8/29
5:30 am-2:25 pm
2 stops11h 55m
Long Beach Municipal
Mon 9/7
9:10 am-10:10 pm
2 stops10h 00m
$480
Quickest round-trip
IslipLong Beach
ISP Islip Long Island - LGB Long Beach Municipal
ISPLGB
Islip Long Island
Fri 8/28
12:35 pm-7:15 pm
2 stops9h 40m
Long Beach Municipal
Mon 9/7
9:10 am-10:10 pm
2 stops10h 00m
$502
IslipLong Beach
ISP Islip Long Island - LGB Long Beach Municipal
ISPLGB
Islip Long Island
Tue 8/18
12:55 pm-7:50 pm
2 stops9h 55m
Long Beach Municipal
Sun 8/23
7:15 pm-9:40 am
2 stops11h 25m
$852
Cheapest one-way
Quickest one-way
IslipLong Beach
ISP Islip Long Island - LGB Long Beach Municipal
ISPLGB
Islip Long Island
Sun 8/23
6:20 am-1:40 pm
2 stops10h 20m
$304
IslipLong Beach
ISP Islip Long Island - LGB Long Beach Municipal
ISPLGB
Islip Long Island
Fri 8/21
10:20 am-6:20 pm
2 stops11h 00m
$304
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.
ISP-LGB
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.
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.
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