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$125+ Cheap flights from Los Angeles to Islip, NY (LAX - ISP)

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Frontier)

One-way from

$125
(Frontier)

Popular in

August

Cheapest in

May

Average price

$367
Provider with most accurate pricing for Los Angeles-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-Islip Long Island flights.
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From Los Angeles to Islip Long Island
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One-way flight from Los Angeles to Islip Long Island
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Highest demand for flights based on searches. 27% potential increase in price ($198 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Los Angeles to Islip

Cheapest flights from Los Angeles to Islip
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 March 28, 2025.

This Frontier deal was found by Cheapflights users on 3/27. 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.
Fri 4/48:18 pmLAX - ISP
1 stop8h 52mFrontier
Tue 4/810:50 amISP - LAX
1 stop11h 28mFrontier
Deal found 3/27$278
This JetBlue deal was found by Cheapflights users on 3/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/207:10 amLAX - ISP
1 stop11h 05mJetBlue
Sun 6/296:00 amISP - LAX
1 stop11h 42mJetBlue
Deal found 3/27$371
This Southwest deal was found by Cheapflights users on 3/27. 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.
Wed 5/218:25 amLAX - ISP
2 stops11h 25mSouthwest
Tue 5/274:00 pmISP - LAX
1 stop9h 15mSouthwest
Deal found 3/27$394
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/412:44 pmLAX - ISP
2 stops27h 15mMultiple Airlines
Mon 6/98:26 pmISP - LAX
1 stop23h 52mMultiple Airlines
Deal found 3/27$606
This FlightHub deal was found by Cheapflights users on 3/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2812:56 pmLAX - ISP
1 stop18h 08mBreeze Airways
Sun 8/317:39 pmISP - LAX
2 stops28h 38mBreeze Airways
Deal found 3/27$792

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 2,558,603 searches. Data last updated March 28, 2025.
Use the filters below to find and compare flights from Los Angeles to Islip that are best for you.

Fly from

Los Angeles

Fly to

Islip

Route

Depart

Return

Price

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Sun 4/13

8:18 pm-8:10 am

1 stop8h 52m

Islip Long Island

Sat 4/19

9:00 am-7:18 pm

1 stop13h 18m

$288

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Fri 6/20

7:10 am-9:15 pm

1 stop11h 05m

Islip Long Island

Sun 6/29

6:00 am-2:42 pm

1 stop11h 42m

$371

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Wed 5/21

8:25 am-10:50 pm

2 stops11h 25m

Islip Long Island

Tue 5/27

4:00 pm-10:15 pm

1 stop9h 15m

$394

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Wed 6/4

12:44 pm-6:59 pm

2 stops27h 15m

Islip Long Island

Mon 6/9

8:26 pm-5:18 pm

1 stop23h 52m

$606

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Thu 8/28

12:56 pm-10:04 am

1 stop18h 08m

Islip Long Island

Sun 8/31

7:39 pm-9:17 pm

2 stops28h 38m

$792

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Wed 4/23

4:59 pm-10:00 am

1 stop14h 01m

$125

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Mon 4/28

9:50 pm-9:54 am

1 stop9h 04m

$131

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Thu 6/26

5:30 am-8:35 pm

1 stop12h 05m

$219

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Wed 4/9

10:04 am-12:16 pm

3 stops23h 12m

$354

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Tue 6/24

12:22 pm-1:32 pm

1 stop22h 10m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
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 Los Angeles to Islip

What is the cheapest month to book a flight from Los Angeles to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from Los Angeles to Islip, New York (average of $108). Flying from Los Angeles to Islip, New York in November is currently the most expensive (average of $213). 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.

What is the cheapest time of day to fly from LAX to ISP?

Find hourly flight availability from Los Angeles to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 38% on flights from Los Angeles to Islip, New York by exploring options for tickets at noon.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 March 28, 2025.
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Breeze Airways
8.0
Very good
156 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.
Frontier
6.0
Okay
3,271 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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.

  • What are the cheapest airlines flying from Los Angeles to Islip, New York round-trip?

    Currently priced at $278, Frontier will fly you from Los Angeles to Islip, New York and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from JetBlue and Southwest - these airlines can fly you to your destination from $332 and $432, respectively. Frontier is priced at 47% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Los Angeles to Islip, New York one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $125. However, be on the lookout for offers from JetBlue and Southwest, as they are both options that can get you from Los Angeles to Islip, New York for a low price.

  • Can I find deals for flights from Los Angeles to Islip that include hotel bookings?

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

  • How can I find direct flights from Los Angeles to Islip?

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

  • Can I find deals for business class flights from Los Angeles to Islip?

    Yes. Cheapflights offers flight deals from Los Angeles to Islip 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 Los Angeles to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Los Angeles to Islip, New York (average of $108). Flying from Los Angeles to Islip, New York in November is currently the most expensive (average of $213). 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.

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Alternative routes for Los Angeles to Islip

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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 2,558,603 searches. Data last updated March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$392Average$551FlexibilityNo cancel feeOn-time63%
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