$185+ Cheap flights from Los Angeles to Islip, NY (LAX - ISP)
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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Oct 19 — Oct 261
Round-trip
1 adult, Economy
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Find cheap flights from Los Angeles to Islip 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
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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 Los Angeles to Islip
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Best
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Cheapest flights from Los Angeles to IslipExplore the most affordable flight options available from Los Angeles to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
Explore the most affordable flight options available from Los Angeles to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2026.
This Southwest deal was found by Cheapflights users on 9/14. 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 10/1911:05 pm -
2 stops10h 05m
Wed 10/284:20 pm -
1 stop9h 55m
Deal found 9/14![Southwest logo]()
$328
This Southwest deal was found by Cheapflights users on 9/17. 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 12/411:30 am -
1 stop7h 10m
Tue 12/84:05 pm -
1 stop8h 05m
Deal found 9/17![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 9/17. 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 11/76:40 am -
2 stops12h 10m
Mon 11/95:40 pm -
1 stop10h 00m
Deal found 9/17![Southwest logo]()
$357
This Southwest deal was found by Cheapflights users on 9/17. 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 11/235:10 am -
1 stop8h 55m
Wed 12/24:05 pm -
2 stops10h 30m
Deal found 9/17![Southwest logo]()
$417
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Tue 11/2410:04 pm -
1 stop18h 02m
Tue 12/112:00 pm -
2 stops14h 51m
Deal found 9/17![Multiple Airlines logo]()
$440
This Kiwi.com deal was found by Cheapflights users on 9/17. 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.
Tue 11/2410:04 pm -
1 stop18h 02m
Thu 12/310:57 am -
2 stops15h 54m
Deal found 9/17![Multiple Airlines logo]()
$486
Best flights from Los Angeles to IslipDiscover carefully curated flight deals from Los Angeles to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
Discover carefully curated flight deals from Los Angeles to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 19, 2026.
This Southwest deal was found by Cheapflights users on 9/17. 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 12/411:30 am -
1 stop7h 10m
Tue 12/84:05 pm -
1 stop8h 05m
Deal found 9/17![Southwest logo]()
$345
This JetBlue deal was found by Cheapflights users on 9/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:30 am -
1 stop10h 07m
Tue 11/249:40 am -
1 stop12h 36m
Deal found 9/16![JetBlue logo]()
$588
This Southwest deal was found by Cheapflights users on 9/17. 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 11/76:40 am -
2 stops12h 10m
Mon 11/95:40 pm -
2 stops9h 30m
Deal found 9/17![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 9/15. 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 9/3010:55 am -
1 stop7h 15m
Wed 10/74:20 pm -
1 stop9h 55m
Deal found 9/15![Southwest logo]()
$489
This Southwest deal was found by Cheapflights users on 9/14. 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 3/185:50 am -
2 stops9h 45m
Wed 3/246:00 am -
1 stop9h 05m
Deal found 9/14![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 9/15. 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 9/306:45 am -
2 stops11h 25m
Sun 10/45:40 am -
2 stops10h 10m
Deal found 9/15![Southwest logo]()
$627
Last-minute flights from Los Angeles to IslipDiscover last-minute flight deals from Los Angeles to Islip. Data last updated September 19, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Islip. Data last updated September 19, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/15. 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 9/3010:55 am -
1 stop7h 15m
Wed 10/74:20 pm -
1 stop9h 55m
Deal found 9/15![Southwest logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/309:40 pm -
1 stop16h 18m
Sun 10/45:43 pm -
1 stop27h 27m
Deal found 9/15![Frontier logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 9/3012:38 pm -
2 stops18h 39m
Sun 10/45:43 pm -
1 stop27h 27m
Deal found 9/15![Multiple Airlines logo]()
$525
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:40 pm -
1 stop16h 18m
Tue 10/65:43 pm -
2 stops33h 28m
Deal found 9/17![Frontier logo]()
$499
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:40 pm -
1 stop16h 50m
Mon 10/126:00 am -
1 stop9h 22m
Deal found 9/14![Multiple Airlines logo]()
$569
This Southwest deal was found by Cheapflights users on 9/17. 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 10/1510:20 pm -
1 stop9h 00m
Mon 10/195:40 pm -
2 stops9h 35m
Deal found 9/17![Southwest logo]()
$538
This Southwest deal was found by Cheapflights users on 9/17. 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 10/1810:20 pm -
1 stop9h 00m
Sun 10/255:40 am -
2 stops10h 10m
Deal found 9/17![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 9/14. 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 10/1911:05 pm -
2 stops10h 05m
Wed 10/284:20 pm -
1 stop9h 55m
Deal found 9/14![Southwest logo]()
$328
One-way flights from Los Angeles to IslipSearch for one-way flight options from Los Angeles to Islip. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
Search for one-way flight options from Los Angeles to Islip. Find affordable one-way fares based on user searches. Data last updated September 19, 2026.
This Frontier deal was found by Cheapflights users on 9/18. 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.
Thu 11/2610:04 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Frontier logo]()
$185
This Southwest deal was found by Cheapflights users on 9/14. 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 10/269:50 pm -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$187
This Kiwi.com deal was found by Cheapflights users on 9/16. 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.
Fri 10/163:45 pm -
2 stops22h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$197
This Southwest deal was found by Cheapflights users on 9/17. 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 11/1611:10 pm -
2 stops9h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Southwest logo]()
$198
This Southwest deal was found by Cheapflights users on 9/16. 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 2/55:25 am -
1 stop9h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$204
This Southwest deal was found by Cheapflights users on 9/16. 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 10/169:50 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Southwest logo]()
$210
This Frontier deal was found by Cheapflights users on 9/16. 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.
Tue 11/2410:04 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Frontier logo]()
$215
This Southwest deal was found by Cheapflights users on 9/14. 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 10/145:45 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$219
This Expedia deal was found by Cheapflights users on 9/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2210:04 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Frontier logo]()
$230
Find flight deals from Los Angeles to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Los Angeles (LAX) to Islip (ISP). 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 19, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $328 (Southwest) |
One-way from | $185 (Frontier) |
Popular in | February |
Cheapest in | January |
Average price | $388 |
Cheapflights Fare Finder
Customize your flight search to find flights from Los Angeles to Islip 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 19, 2026.
Use the filters below to find and compare flights from Los Angeles to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Mon 10/26
9:50 pm-12:10 pm
1 stop11h 20m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$187
Quickest round-trip
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Mon 11/16
6:15 am-4:15 pm
1 stop7h 00m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$193
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Fri 2/5
5:25 am-6:15 pm
1 stop9h 50m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$204
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Fri 10/16
9:50 pm-11:55 am
1 stop11h 05m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$210
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Sun 10/18
10:20 pm-10:20 am
1 stop9h 00m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$249
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Thu 10/29
8:30 am-9:37 pm
1 stop10h 07m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$269
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Wed 10/28
7:00 am-9:37 pm
1 stop11h 37m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$269
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Thu 11/26
4:50 pm-3:45 pm
2 stops19h 55m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$287
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Fri 12/4
11:30 am-9:40 pm
1 stop7h 10m
Islip Long Island
Tue 12/8
4:05 pm-9:10 pm
1 stop8h 05m
$345
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Wed 11/25
8:30 am-10:04 pm
1 stop10h 34m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$355
Showing 1-10 of 15 resultsSorted by cheapest first
Compare providers for flights from Los Angeles to Islip
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 Los Angeles to Islip 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 Los Angeles-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Los Angeles-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Los Angeles-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Los Angeles-Islip, New York 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 Los Angeles-Islip, New York 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 Los Angeles to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Los Angeles with our price prediction graph.
LAX-ISP
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 Islip
Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated September 19, 2026.
Get a feel of what it's like to fly with Southwest from Los Angeles to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Comfort
8.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Food
7.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Related info for your journey
Find useful and relevant information for your journey from Los Angeles to Islip. 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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Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 19, 2026.
Los Angeles and Islip flights
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Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Los Angeles to Islip
Discover the top airline that operate flights from Los Angeles to Islip. 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 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$498 | FlexibilityNo cancel fee | On-time63% |