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Cheap flights from Islip, New York to Los Angeles from $330

This is the cheapest round-trip 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 5/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:30 am - 2:25 pm
ISP
-
LGB
10h 55m
2 stops
Southwest Logo
6:55 am - 11:20 pm
LGB
-
ISP
13h 25m
2 stops
$330Southwest
Tue, May 5 - Sat, May 9
Southwest Logo
6:00 am - 3:05 pm
ISP
-
LGB
12h 05m
2 stops
Southwest Logo
9:00 am - 10:10 pm
LGB
-
ISP
10h 10m
2 stops
$469Southwest
Mon, May 11 - Tue, May 19

Southwest flights from Islip, New York to Long Beach

Our best Southwest deals on Islip, New York to Long Beach flight tickets
Southwest
May 5
ISP6:30 amIslip Long Island
10h 55m
2 stops
LGB2:25 pmLong Beach Municipal
May 9
LGB6:55 amLong Beach Municipal
13h 25m
2 stops
ISP11:20 pmIslip Long Island
$330
Southwest
May 11
ISP6:00 amIslip Long Island
12h 05m
2 stops
LGB3:05 pmLong Beach Municipal
May 19
LGB9:00 amLong Beach Municipal
10h 10m
2 stops
ISP10:10 pmIslip Long Island
$469

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Long Beach 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, momondo users made 832,500 searches. Data last updated March 27, 2026.
Use the filters below to find and compare flights from Islip, New York to Long Beach that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipLong Beach

ISP - LGB

ISPLGB

Islip Long Island

Tue 5/5

6:30 am-2:25 pm

2 stops10h 55m

Long Beach Municipal

Sat 5/9

6:55 am-11:20 pm

2 stops13h 25m

$330
Quickest round-trip

IslipLong Beach

ISP - LGB

ISPLGB

Islip Long Island

Mon 5/11

6:00 am-3:05 pm

2 stops12h 05m

Long Beach Municipal

Tue 5/19

9:00 am-10:10 pm

2 stops10h 10m

$469

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Los Angeles from

How to get the cheapest flight ticket from Islip, New York to Long Beach

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

Can stopping save me money on Islip, New York to Long Beach flights?

You could potentially save up to 61% on your flight if you consider stops on a Islip, New York to Long Beach flight.

When to book flights from Islip, New York to Long Beach

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Long Beach according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip, New York to Long Beach (ISP to LGB) flight deals and tips

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

Fastest flight time

10h 55m

Direct flights

None
The fastest flight from Islip, New York to Long Beach takes 10h 55m
There are no direct flights from Islip, New York to Long Beach. There are no popular flight routes from Islip, New York to Long Beach.
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  • How far is Islip Long Island to Long Beach Municipal by plane?

    The straight-line distance from Islip Long Island to Long Beach Municipal is 2490.6 mi. In terms of flight time, this usually takes a little over 10h 55m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Long Beach Municipal Airport?

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

  • How old do you have to be to fly from Islip Long Island Airport to Long Beach Municipal 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 Long Beach Municipal Airport.

  • What documentation or ID do you need to fly to Long Beach Municipal Airport?

    The necessary travel and health documents for your Long Beach Municipal 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.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Long Beach?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Long Beach. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Long Beach with flexible booking policies on momondo?

Yes. All flights to Long Beach 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 Long Beach?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Long Beach from Islip.

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

If you are not ready to book a flight from Islip to Long Beach now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Long Beach and let you know when they change.

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1 adult
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