What is the most punctual flight time for Islip to Los Angeles flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Islip to Los Angeles delayed?

Historically, on average around 0% of flights between Islip and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Islip Long Island to Los Angeles?

Frontier is the most popular carrier operating from Islip Long Island to Los Angeles

What airlines fly to Los Angeles?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to Los Angeles from Islip, New York according to our data. United Airlines is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Los Angeles. Keep in mind that there are 10 different airlines that fly to Los Angeles on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Islip Long Island Airport to Los Angeles Airport?

Prices for flights from Islip Long Island Airport to Los Angeles Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Islip Long Island Airport to Los Angeles Airport?

As of December 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to Los Angeles Airport.

How old do you have to be to fly from Islip Long Island Airport to Los Angeles Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Los Angeles Airport.

What documentation or ID do you need to fly to Los Angeles Airport?

The necessary travel and health documents for your Los Angeles Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$98 Cheap Flights from Islip to Los Angeles in 2025/26

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Find the cheapest flights from Islip, New York to Los Angeles

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:34 pm - 7:01 pm

ISP

LAX

29h 27m1 stop

10:39 pm - 8:41 am

LAX

ISP

31h 02m1 stop

$321Frontier

Thu, Mar 19 - Tue, Mar 31

4:34 pm - 7:01 pm

ISP

LAX

29h 27m1 stop

10:39 pm - 12:47 pm

LAX

ISP

11h 08m1 stop

$322Frontier

Thu, Mar 19 - Thu, Mar 26

4:34 pm - 7:01 pm

ISP

LAX

29h 27m1 stop

10:39 pm - 12:33 pm

LAX

ISP

10h 54m1 stop

$352Frontier

Thu, Mar 19 - Sun, Mar 22

8:19 pm - 6:03 pm

ISP

LAX

24h 44m1 stop

11:59 pm - 8:41 am

LAX

ISP

29h 42m1 stop

$432Frontier

Sat, Apr 4 - Sat, Apr 11

2:04 pm - 6:03 pm

ISP

LAX

30h 59m1 stop

11:59 pm - 4:37 pm

LAX

ISP

13h 38m1 stop

$434Frontier

Mon, Dec 29 - Tue, Dec 30

1:15 pm - 11:00 pm

ISP

LAX

12h 45m1 stop

10:45 pm - 12:20 pm

LAX

ISP

10h 35m1 stop

$468JetBlue

Tue, Apr 21 - Mon, Apr 27

8:35 pm - 6:03 pm

ISP

LAX

24h 28m1 stop

11:59 pm - 6:45 pm

LAX

ISP

15h 46m1 stop

$523Frontier

Mon, Dec 29 - Fri, Jan 2

4:34 pm - 7:01 pm

ISP

LAX

29h 27m1 stop

10:39 pm - 12:47 pm

LAX

ISP

11h 08m1 stop

$531Frontier

Sun, Mar 22 - Sun, Mar 29

5:27 pm - 6:03 pm

ISP

LAX

27h 36m1 stop

11:59 pm - 7:40 pm

LAX

ISP

16h 41m1 stop

$543Frontier

Wed, Dec 31 - Thu, Jan 1

1:42 pm - 7:01 pm

ISP

LAX

32h 19m1 stop

10:39 pm - 12:47 pm

LAX

ISP

11h 08m1 stop

$571Frontier

Fri, Mar 27 - Sun, Mar 29

Frontier flights from Islip, New York to Los Angeles

Our best Frontier deals on Islip, New York to Los Angeles flight tickets

Frontier

Dec 19

ISP1:27 pmIslip Long Island

31h 36m

1 stop

LAX6:03 pmLos Angeles

Dec 31

LAX11:59 pmLos Angeles

8h 26m

1 stop

ISP11:25 amIslip Long Island

$313

Find similar

Frontier

Dec 19

ISP8:35 pmIslip Long Island

24h 28m

1 stop

LAX6:03 pmLos Angeles

Jan 1

LAX11:59 pmLos Angeles

16h 41m

1 stop

ISP7:40 pmIslip Long Island

$319

Find similar

Frontier

Mar 19

ISP4:34 pmIslip Long Island

29h 27m

1 stop

LAX7:01 pmLos Angeles

Mar 31

LAX10:39 pmLos Angeles

31h 02m

1 stop

ISP8:41 amIslip Long Island

$321

Find similar

JetBlue flights from Islip, New York to Los Angeles

Our best JetBlue deals on Islip, New York to Los Angeles flight tickets

JetBlue

Apr 21

ISP1:15 pmIslip Long Island

12h 45m

1 stop

LAX11:00 pmLos Angeles

Apr 27

LAX10:45 pmLos Angeles

10h 35m

1 stop

ISP12:20 pmIslip Long Island

$468

Find similar

JetBlue

Feb 28

ISP1:27 pmIslip Long Island

11h 57m

1 stop

LAX10:24 pmLos Angeles

Mar 5

LAX10:10 pmLos Angeles

8h 52m

1 stop

ISP10:02 amIslip Long Island

$598

Find similar

JetBlue

Feb 28

ISP1:27 pmIslip Long Island

11h 57m

1 stop

LAX10:24 pmLos Angeles

Mar 5

LAX10:10 pmLos Angeles

8h 52m

1 stop

ISP10:02 amIslip Long Island

$643

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Los Angeles that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Thu 3/19

4:34 pm-7:01 pm

1 stop29h 27m

Los Angeles

Tue 3/31

10:39 pm-8:41 am

1 stop31h 02m

$321

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Thu 3/19

4:34 pm-7:01 pm

1 stop29h 27m

Los Angeles

Thu 3/26

10:39 pm-12:47 pm

1 stop11h 08m

$322

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Thu 3/19

4:34 pm-7:01 pm

1 stop29h 27m

Los Angeles

Sun 3/22

10:39 pm-12:33 pm

1 stop10h 54m

$352

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Sat 4/4

8:19 pm-6:03 pm

1 stop24h 44m

Los Angeles

Sat 4/11

11:59 pm-8:41 am

1 stop29h 42m

$432

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Mon 12/29

2:04 pm-6:03 pm

1 stop30h 59m

Los Angeles

Tue 12/30

11:59 pm-4:37 pm

1 stop13h 38m

$434

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Tue 4/21

1:15 pm-11:00 pm

1 stop12h 45m

Los Angeles

Mon 4/27

10:45 pm-12:20 pm

1 stop10h 35m

$468

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Mon 12/29

8:35 pm-6:03 pm

1 stop24h 28m

Los Angeles

Fri 1/2

11:59 pm-6:45 pm

1 stop15h 46m

$523

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Sun 3/22

4:34 pm-7:01 pm

1 stop29h 27m

Los Angeles

Sun 3/29

10:39 pm-12:47 pm

1 stop11h 08m

$531

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Wed 12/31

5:27 pm-6:03 pm

1 stop27h 36m

Los Angeles

Thu 1/1

11:59 pm-7:40 pm

1 stop16h 41m

$543

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

Fri 3/27

1:42 pm-7:01 pm

1 stop32h 19m

Los Angeles

Sun 3/29

10:39 pm-12:47 pm

1 stop11h 08m

$571

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Los Angeles

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

What is the cheapest day to depart on your flight to Los Angeles?

Our data shows that Thursday is the least expensive day to fly to Los Angeles. Tickets to fly out on this day can be as low as $378. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Los Angeles on Sunday is $474.

What is the cheapest time of day to depart on your flight to Los Angeles?

Our most recent data shows that the best time of day to fly to Los Angeles is in the morning. Flights from Islip, New York to Los Angeles during this time can be as low as $371. In the afternoon is when there is more demand to fly to Los Angeles, so prices are often more expensive at around $560 per ticket.

Can stopping save me money on Islip, New York to Los Angeles flights?

You could potentially save up to 24% on your flight if you consider stops on a Islip, New York to Los Angeles flight.

When to book flights from Islip, New York to Los Angeles

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Los Angeles according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip, New York to Los Angeles (ISP to LAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Los Angeles

Fastest flight time	11h 57m
Direct flights	None

The fastest flight from Islip, New York to Los Angeles takes 11h 57m

There are no direct flights from Islip, New York to Los Angeles. There are no popular flight routes from Islip, New York to Los Angeles.

Search flight deals

How far is Islip Long Island to Los Angeles by plane?
The distance between Islip Long Island and Los Angeles is about 2489.0 mi. 11h 57m is a normal flight duration for this route.
When did momondo last update prices for flights from Islip Long Island Airport to Los Angeles Airport?
Prices for flights from Islip Long Island Airport to Los Angeles Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Islip Long Island Airport to Los Angeles Airport?
As of December 2025, there is 1 operator available to choose from for flights from Islip Long Island Airport to Los Angeles Airport.
How old do you have to be to fly from Islip Long Island Airport to Los Angeles Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Los Angeles Airport.
What documentation or ID do you need to fly to Los Angeles Airport?
The necessary travel and health documents for your Los Angeles Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Islip, New York to Los Angeles?
Based on momondo bookings for flights between Islip, New York and Los Angeles, the leading airline is Southwest, making up 100% of the total bookings.

Best airlines flying from Islip, New York to Los Angeles

Compare and see reviews for airlines that fly from Islip, New York to Los Angeles with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $344	Free Cancellation	Rating 7.9 4,250 reviews		Search Southwest flights

Avalon

Big Bear Lake

Laguna Beach

Temecula

Big Bear

Riverside

Carlsbad

Malibu

Oceanside

Inglewood

Huntington Beach

Pasadena

Newport Beach

Ventura

Orange

Irvine

Buena Park

Redondo Beach

San Clemente

Glendale

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Los Angeles?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Los Angeles from Islip.

Can I find flights from Islip to Los Angeles with flexible booking policies on momondo?

Yes. All flights to Los Angeles from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to Los Angeles?

Once you have performed a search for Islip to Los Angeles flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Islip to Los Angeles right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Los Angeles from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Los Angeles trip

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Flights to New Yorkfrom $45

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Flights to Orlandofrom $40

Flights to San Franciscofrom $58

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

Flights to Denverfrom $53

Cheap flights from Islip, New York to Los Angeles from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Los Angeles departing on 4/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

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Price Alerts

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Find the cheapest flights from Islip, New York to Los Angeles

Cheap round-trip flights

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Frontier flights from Islip, New York to Los Angeles

Our best Frontier deals on Islip, New York to Los Angeles flight tickets

JetBlue flights from Islip, New York to Los Angeles

Our best JetBlue deals on Islip, New York to Los Angeles flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Los Angeles that are best for you.

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Islip, New York to Los Angeles

What is the cheapest day to depart on your flight to Los Angeles?

What is the cheapest time of day to depart on your flight to Los Angeles?

Can stopping save me money on Islip, New York to Los Angeles flights?

You could potentially save up to 24% on your flight if you consider stops on a Islip, New York to Los Angeles flight.

What is the cheapest airline that flies from Islip Long Island to Los Angeles?

Frontier is the most popular carrier operating from Islip Long Island to Los Angeles

What airlines fly to Los Angeles?

How often are flights from Islip to Los Angeles delayed?

Historically, on average around 0% of flights between Islip and Los Angeles have experienced a delay on any given week. The average delay length over the past 12 months has been 0 minutes.

What is the most punctual flight time for Islip to Los Angeles flights?

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

When to book flights from Islip, New York to Los Angeles

Cheap Islip, New York to Los Angeles (ISP to LAX) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Los Angeles

Fastest flight time

Direct flights

How far is Islip Long Island to Los Angeles by plane?

When did momondo last update prices for flights from Islip Long Island Airport to Los Angeles Airport?

How many operators does momondo search for flights from Islip Long Island Airport to Los Angeles Airport?

How old do you have to be to fly from Islip Long Island Airport to Los Angeles Airport?

What documentation or ID do you need to fly to Los Angeles Airport?

What is the most popular airline from Islip, New York to Los Angeles?

Best airlines flying from Islip, New York to Los Angeles

Compare and see reviews for airlines that fly from Islip, New York to Los Angeles with momondo

Traveling to a place near Los Angeles?

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Los Angeles?

Can I find flights from Islip to Los Angeles with flexible booking policies on momondo?

How can momondo help me find flights from Islip to Los Angeles?

I’m not ready to book a flight from Islip to Los Angeles right now. Can momondo alert me if prices change?

An easier way to manage your Los Angeles trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California