$158+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Oct 31 — Nov 71
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
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 Los Angeles to Islip
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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 October 1, 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 October 1, 2026.
This Southwest deal was found by Cheapflights users on 9/28. 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 10/275:45 am -
1 stop7h 00m
Thu 10/295:40 pm -
2 stops10h 50m
Deal found 9/28![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 9/28. 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 10/275:45 am -
1 stop7h 00m
Sat 10/316:00 am -
1 stop7h 40m
Deal found 9/28![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 9/28. 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 10/276:55 am -
2 stops10h 05m
Fri 10/3011:00 am -
2 stops11h 15m
Deal found 9/28![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/30. 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 10/295:00 am -
1 stop9h 00m
Fri 10/3011:00 am -
1 stop9h 15m
Deal found 9/30![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 9/29. 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 10/295:00 am -
1 stop9h 00m
Tue 11/34:05 pm -
2 stops10h 25m
Deal found 9/29![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 9/28. 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 10/295:00 am -
1 stop9h 00m
Mon 11/25:40 pm -
2 stops9h 25m
Deal found 9/28![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 9/28. 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 10/2112:50 pm -
2 stops11h 05m
Deal found 9/28![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 9/28. 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 10/2610:20 pm -
1 stop11h 50m
Thu 10/295:40 pm -
2 stops10h 50m
Deal found 9/28![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 9/28. 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 11/911:10 pm -
2 stops9h 35m
Wed 11/114:05 pm -
1 stop8h 10m
Deal found 9/28![Southwest logo]()
$417
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 October 1, 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 October 1, 2026.
This Southwest deal was found by Cheapflights users on 9/28. 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 10/276:55 am -
2 stops10h 05m
Fri 10/3011:00 am -
2 stops11h 15m
Deal found 9/28![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/28. 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 10/295:00 am -
1 stop9h 00m
Mon 11/25:40 pm -
1 stop9h 55m
Deal found 9/28![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 10/1. 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 10/275:45 am -
1 stop7h 00m
Sun 11/15:40 pm -
1 stop9h 55m
Deal found 10/1![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 9/30. 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 11/1110:15 pm -
2 stops14h 20m
Sun 11/155:40 pm -
2 stops9h 30m
Deal found 9/30![Southwest logo]()
$443
This Southwest deal was found by Cheapflights users on 9/28. 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
Thu 10/2911:00 am -
1 stop9h 15m
Deal found 9/28![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 9/28. 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 10/199:50 pm -
1 stop11h 20m
Wed 10/214:20 pm -
1 stop9h 55m
Deal found 9/28![Southwest logo]()
$448
This Southwest deal was found by Cheapflights users on 9/29. 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 11/210:15 pm -
2 stops10h 30m
Thu 11/55:40 pm -
1 stop10h 00m
Deal found 9/29![Southwest logo]()
$475
Last-minute flights from Los Angeles to IslipDiscover last-minute flight deals from Los Angeles to Islip. Data last updated October 1, 2026 and is based on user searches.
Discover last-minute flight deals from Los Angeles to Islip. Data last updated October 1, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/28. 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 10/2112:50 pm -
2 stops11h 05m
Deal found 9/28![Southwest logo]()
$410
This Southwest deal was found by Cheapflights users on 9/28. 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 10/2610:20 pm -
1 stop11h 50m
Thu 10/295:40 pm -
2 stops10h 50m
Deal found 9/28![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 9/28. 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 10/275:45 am -
1 stop7h 00m
Thu 10/295:40 pm -
2 stops10h 50m
Deal found 9/28![Southwest logo]()
$362
This Southwest deal was found by Cheapflights users on 9/28. 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 10/275:45 am -
1 stop7h 00m
Sat 10/316:00 am -
1 stop7h 40m
Deal found 9/28![Southwest logo]()
$372
This Southwest deal was found by Cheapflights users on 9/28. 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 10/276:55 am -
2 stops10h 05m
Fri 10/3011:00 am -
2 stops11h 15m
Deal found 9/28![Southwest logo]()
$382
This Southwest deal was found by Cheapflights users on 9/30. 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 10/295:00 am -
1 stop9h 00m
Fri 10/3011:00 am -
1 stop9h 15m
Deal found 9/30![Southwest logo]()
$400
This Southwest deal was found by Cheapflights users on 9/29. 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 10/295:00 am -
1 stop9h 00m
Tue 11/34:05 pm -
2 stops10h 25m
Deal found 9/29![Southwest logo]()
$402
This Southwest deal was found by Cheapflights users on 9/28. 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 10/295:00 am -
1 stop9h 00m
Mon 11/25:40 pm -
2 stops9h 25m
Deal found 9/28![Southwest logo]()
$405
This Southwest deal was found by Cheapflights users on 9/28. 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 11/911:10 pm -
2 stops9h 35m
Wed 11/114:05 pm -
1 stop8h 10m
Deal found 9/28![Southwest logo]()
$417
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 October 1, 2026.
Search for one-way flight options from Los Angeles to Islip. Find affordable one-way fares based on user searches. Data last updated October 1, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 10/2610:38 pm -
3 stops56h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Multiple Airlines logo]()
$158
This Southwest deal was found by Cheapflights users on 9/30. 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 10/295:00 am -
1 stop9h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 11/36:15 am -
3 stops49h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$198
This Southwest deal was found by Cheapflights users on 9/27. 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 12/510:15 pm -
2 stops10h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Southwest logo]()
$199
This Frontier deal was found by Cheapflights users on 9/27. 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 9/27![Frontier logo]()
$215
This Southwest deal was found by Cheapflights users on 9/27. 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 11/310:00 pm -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Southwest logo]()
$224
This Southwest deal was found by Cheapflights users on 9/27. 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 12/128:30 am -
2 stops10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Southwest logo]()
$227
This Southwest deal was found by Cheapflights users on 9/30. 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 10/2610:20 pm -
2 stops14h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$233
This Frontier deal was found by Cheapflights users on 9/28. 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.
Sun 11/2210:04 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Frontier logo]()
$267
This KAYAK deal was found by Cheapflights users on 10/1. 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.
Fri 10/309:59 am -
1 stop8h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![JetBlue logo]()
$269
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 October 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $362 (Southwest) |
One-way from | $158 (Kiwi.com) |
Popular in | February |
Cheapest in | January |
Average price | $585 |
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 October 1, 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
Sat 12/5
10:15 pm-11:45 am
2 stops10h 30m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$199
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Tue 11/3
10:00 pm-11:45 am
1 stop10h 45m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$224
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Sat 12/12
8:30 am-9:45 pm
2 stops10h 15m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$227
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Mon 10/26
10:20 pm-1:10 pm
1 stop11h 50m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$227
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Fri 10/16
12:09 am-5:30 pm
2 stops14h 21m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$307
Quickest round-trip
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Sat 11/21
5:10 am-4:25 pm
1 stop8h 15m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$354
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Thu 10/15
7:00 am-9:37 pm
1 stop11h 37m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$355
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Thu 11/26
8:30 am-10:40 pm
1 stop11h 10m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$355
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Wed 11/25
8:30 am-10:25 pm
1 stop10h 55m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$355
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Tue 10/27
6:55 am-8:00 pm
2 stops10h 05m
Islip Long Island
Fri 10/30
11:00 am-7:15 pm
2 stops11h 15m
$382
Showing 1-10 of 16 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 October.
| 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 October 1, 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.
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
Overall
8.0
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Boarding
8.1
Food
7.0
Crew
8.6
Entertainment
7.5
Comfort
8.0
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 October 1, 2026.
Los Angeles and Islip flights
Browse other Los Angeles and Islip flight options. Last updated on October 1, 2026.
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Browse through other flights departing from Los Angeles. Flights are based on user searches made on Cheapflights and were last updated on October 1, 2026.
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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 October 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$498 | FlexibilityNo cancel fee | On-time63% |