HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$78+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Jul 5 — Jul 121
Sat 7/5
Sat 7/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 June 30, 2025.

Round-trip from

$142
(CheapOair)

One-way from

$78
(CheapOair)

Popular in

August

Cheapest in

September

Average price

$476
From Los Angeles to Islip Long Island
Search Deals
One-way flight from Los Angeles to Islip Long Island
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 30, 2025.

This CheapOair deal was found by Cheapflights users on 6/30. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/51:57 pmLAX - ISP
1 stop26h 55mFrontier
Mon 8/118:38 pmISP - LAX
1 stop23h 30mFrontier
Deal found 6/30$142
This JetBlue deal was found by Cheapflights users on 6/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1410:15 pmLAX - ISP
1 stop9h 36mJetBlue
Sat 8/3011:40 amISP - LAX
1 stop11h 24mJetBlue
Deal found 6/29$261

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 June 30, 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

Tue 8/5

1:57 pm-7:52 pm

1 stop26h 55m

Islip Long Island

Mon 8/11

8:38 pm-5:08 pm

1 stop23h 30m

$142

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Thu 8/14

10:15 pm-10:51 am

1 stop9h 36m

Islip Long Island

Tue 8/26

12:35 pm-8:04 pm

1 stop10h 29m

$261

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Wed 7/30

1:57 pm-11:47 pm

1 stop30h 50m

$78

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Mon 7/28

10:15 pm-11:41 am

1 stop10h 26m

$141

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Fri 9/26

11:15 pm-12:05 pm

2 stops9h 50m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/28

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 June 30, 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.

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 June 30, 2025.
Get a feel of what it's like to fly with Southwest, JetBlue, and Frontier 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.
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Overall

8.0

Food

7.0

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
8.0
Very good
4,278 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Overall

8.0

Food

7.0

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
2,920 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Overall

8.0

Food

7.0

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
5.9
Fair
3,290 reviews
Southwest
8.0
Very good
4,278 reviews

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Overall

8.0

Food

7.0

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 $142, 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. Check Cheapflights for deals on JetBlue for as low as $261. Frontier is priced at 72% 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 $78. 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.

See more FAQs

Traveling to a place near Los Angeles?

Book flights to Los Angeles if you plan to visit one of these locations
Southampton
Riverhead

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Los Angeles to Islip

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Los Angeles to Newark flights
San Francisco to John F Kennedy Intl flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
Ontario to John F Kennedy Intl flights
San Francisco to LaGuardia flights
San Diego to John F Kennedy Intl flights
San Diego to Newark flights
Burbank to Newark flights
Ontario to Newark flights
Santa Ana to Newark flights
Burbank to LaGuardia flights
Oakland to Newark flights
San Jose to Newark flights
Santa Ana to LaGuardia flights
San Diego to LaGuardia flights
Las Vegas to John F Kennedy Intl flights
Ontario to LaGuardia flights
Santa Ana to John F Kennedy Intl flights
Oakland to LaGuardia flights
San Jose to John F Kennedy Intl flights
Sacramento to Newark flights
Oakland to John F Kennedy Intl flights
San Jose to LaGuardia flights
Burbank to John F Kennedy Intl flights
Las Vegas to Newark flights
Sacramento to John F Kennedy Intl flights
Las Vegas to LaGuardia flights
Sacramento to LaGuardia flights
Palm Springs to John F Kennedy Intl flights
Los Angeles to Buffalo flights
Long Beach to John F Kennedy Intl flights
Fresno to John F Kennedy Intl flights
Palm Springs to Newark flights
San Francisco to Buffalo flights
Los Angeles to Albany flights
Fresno to Newark flights
Fresno to LaGuardia flights
San Francisco to Stewart flights
San Francisco to White Plains flights
San Francisco to Syracuse flights
Palm Springs to LaGuardia flights
Los Angeles to Syracuse flights
Los Angeles to White Plains flights
Los Angeles to Rochester flights
Sacramento to White Plains flights
San Francisco to Albany flights
Ontario to Buffalo flights

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 June 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$380Average$487FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.