$190+ Cheap flights from Islip, NY to Los Angeles (ISP - LAX)
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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LAX
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Los Angeles with Cheapflights
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Los Angeles
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Cheapest flights from Islip to Los AngelesExplore the most affordable flight options available from Islip to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
Explore the most affordable flight options available from Islip to Los Angeles. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 9/303:20 pm -
1 stop10h 20m
Sat 10/35:05 am -
1 stop8h 05m
Deal found 9/7![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 9/8. 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 10/144:20 pm -
1 stop9h 55m
Mon 10/1910:20 pm -
2 stops14h 10m
Deal found 9/8![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 12/104:05 pm -
1 stop8h 05m
Mon 12/148:30 am -
2 stops10h 10m
Deal found 9/10![Southwest logo]()
$384
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 10/225:40 pm -
2 stops10h 50m
Mon 10/2611:05 pm -
2 stops10h 05m
Deal found 9/10![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sat 11/712:45 pm -
2 stops11h 00m
Mon 11/910:15 pm -
2 stops10h 30m
Deal found 9/8![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 9/10. 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 11/712:45 pm -
2 stops11h 00m
Sat 11/149:55 pm -
1 stop10h 50m
Deal found 9/10![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 9/8. 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.
Thu 10/155:40 pm -
2 stops9h 35m
Mon 10/1910:20 pm -
2 stops14h 10m
Deal found 9/8![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/1312:50 pm -
2 stops11h 05m
Sat 10/175:05 am -
1 stop8h 05m
Deal found 9/8![Southwest logo]()
$418
Best flights from Islip to Los AngelesDiscover carefully curated flight deals from Islip to Los Angeles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Islip to Los Angeles that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/10. 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 2/265:50 am -
1 stop10h 20m
Wed 3/311:40 am -
1 stop6h 50m
Deal found 9/10![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 10/225:40 pm -
2 stops10h 50m
Mon 10/2611:05 pm -
2 stops10h 05m
Deal found 9/10![Southwest logo]()
$389
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 9/303:20 pm -
2 stops10h 05m
Sat 10/35:05 am -
1 stop8h 05m
Deal found 9/7![Southwest logo]()
$406
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sat 11/712:45 pm -
2 stops11h 00m
Mon 11/910:15 pm -
2 stops10h 30m
Deal found 9/8![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 9/9. 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.
Fri 10/165:40 pm -
2 stops10h 50m
Sat 10/175:05 am -
1 stop8h 05m
Deal found 9/9![Southwest logo]()
$428
This Southwest deal was found by Cheapflights users on 9/6. 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.
Thu 10/15:40 pm -
2 stops10h 45m
Mon 10/55:00 am -
1 stop9h 00m
Deal found 9/6![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/1312:50 pm -
2 stops11h 05m
Sat 10/177:15 am -
2 stops11h 35m
Deal found 9/8![Southwest logo]()
$455
This Southwest deal was found by Cheapflights users on 9/6. 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.
Thu 10/155:40 pm -
2 stops9h 35m
Mon 10/1911:05 pm -
2 stops10h 05m
Deal found 9/6![Southwest logo]()
$465
This Southwest deal was found by Cheapflights users on 9/8. 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.
Fri 1/151:00 pm -
1 stop11h 20m
Sun 1/2410:15 am -
2 stops8h 15m
Deal found 9/8![Southwest logo]()
$482
Last-minute flights from Islip to Los AngelesDiscover last-minute flight deals from Islip to Los Angeles. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Los Angeles. Data last updated September 11, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 9/303:20 pm -
1 stop10h 20m
Sat 10/35:05 am -
1 stop8h 05m
Deal found 9/7![Southwest logo]()
$369
This Southwest deal was found by Cheapflights users on 9/7. 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.
Wed 10/74:20 pm -
1 stop9h 55m
Wed 10/145:45 am -
1 stop11h 15m
Deal found 9/7![Southwest logo]()
$428
This Southwest deal was found by Cheapflights users on 9/8. 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.
Tue 10/1312:50 pm -
2 stops11h 05m
Sat 10/175:05 am -
1 stop8h 05m
Deal found 9/8![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 9/8. 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 10/144:20 pm -
1 stop9h 55m
Mon 10/1910:20 pm -
2 stops14h 10m
Deal found 9/8![Southwest logo]()
$380
This Southwest deal was found by Cheapflights users on 9/8. 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.
Thu 10/155:40 pm -
2 stops9h 35m
Mon 10/1910:20 pm -
2 stops14h 10m
Deal found 9/8![Southwest logo]()
$417
This Southwest deal was found by Cheapflights users on 9/11. 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 10/214:20 pm -
1 stop9h 55m
Tue 10/275:45 am -
1 stop7h 00m
Deal found 9/11![Southwest logo]()
$433
This Southwest deal was found by Cheapflights users on 9/10. 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.
Thu 10/225:40 pm -
2 stops10h 50m
Mon 10/2611:05 pm -
2 stops10h 05m
Deal found 9/10![Southwest logo]()
$389
One-way flights from Islip to Los AngelesSearch for one-way flight options from Islip to Los Angeles. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Islip to Los Angeles. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/23:02 pm -
3 stops36h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$190
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:00 pm -
2 stops15h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$195
This CheapOair deal was found by Cheapflights users on 9/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:43 pm -
1 stop27h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$210
This Southwest deal was found by Cheapflights users on 9/9. 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.
Sat 10/103:50 pm -
1 stop9h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Southwest logo]()
$217
This CheapOair deal was found by Cheapflights users on 9/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:43 pm -
1 stop27h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Frontier logo]()
$221
This Frontier deal was found by Cheapflights users on 9/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:56 am -
1 stop14h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$231
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:25 pm -
3 stops33h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Multiple Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 9/8. 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.
Sun 11/15:40 pm -
2 stops9h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$244
This KAYAK deal was found by Cheapflights users on 9/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop9h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![JetBlue logo]()
$248
Find flight deals from Islip to Los Angeles
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Los Angeles (LAX). 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $369 (Southwest) |
One-way from | $190 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $466 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Los Angeles 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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Islip to Los Angeles that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Sun 11/1
5:40 pm-12:35 am
1 stop9h 55m
Los Angeles Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$239
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Tue 11/24
9:25 am-8:15 pm
1 stop13h 50m
Los Angeles Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$254
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Mon 10/12
6:55 pm-10:45 am
2 stops18h 50m
Los Angeles Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$309
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Mon 12/21
9:56 am-6:59 am
2 stops24h 03m
Los Angeles Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$317
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Sun 10/18
6:25 pm-12:02 pm
2 stops20h 37m
Los Angeles Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$365
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Fri 2/26
5:50 am-1:10 pm
1 stop10h 20m
Los Angeles Los Angeles
Wed 3/3
11:40 am-9:30 pm
1 stop6h 50m
$389
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Thu 10/22
5:40 pm-1:30 am
2 stops10h 50m
Los Angeles Los Angeles
Mon 10/26
11:05 pm-12:10 pm
2 stops10h 05m
$389
Quickest round-trip
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Sun 10/11
6:00 am-12:22 pm
1 stop9h 22m
Los Angeles Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$398
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Wed 9/30
3:20 pm-10:25 pm
2 stops10h 05m
Los Angeles Los Angeles
Sat 10/3
5:05 am-4:10 pm
1 stop8h 05m
$406
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles Los Angeles
ISPLAX
Islip Long Island
Sat 11/7
12:45 pm-8:45 pm
2 stops11h 00m
Los Angeles Los Angeles
Mon 11/9
10:15 pm-11:45 am
2 stops10h 30m
$411
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Islip to Los Angeles
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Los Angeles in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Los Angeles 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-Los Angeles flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Los Angeles flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Los Angeles 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-Los Angeles 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 Los Angeles
Have a flexible travel schedule? Discover the best time to fly to Los Angeles from Islip with our price prediction graph.
ISP-LAX
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.
Reviews of airlines servicing Los Angeles
Get insights into the airlines that provide service to Los Angeles. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Los Angeles. Reviews last updated September 11, 2026.
See what other customers who have flown with Southwest from Islip to Los Angeles have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Overall
8.0
Crew
8.6
Boarding
8.1
Food
7.0
Comfort
8.0
Entertainment
7.5
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Related info for your journey
Find useful and relevant information for your journey from Islip to Los Angeles. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Los Angeles?
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Islip and Los Angeles flights
Browse other Islip and Los Angeles flight options. Last updated on September 11, 2026.
Other flights from Islip
Browse through other flights departing from Islip. Flights are based on user searches made on Cheapflights and were last updated on September 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Islip to Los Angeles
Discover the top airline that operate flights from Islip to Los Angeles. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$310 | Average$466 | FlexibilityNo cancel fee | On-time63% |