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

Southwest, Breeze Airways, and Frontier are the most popular carriers operating from Islip Long Island to California

What airlines fly to California?

United Airlines, JetBlue and Delta are the top three most popular airlines that fly to California from Islip, New York according to our data. United Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to California. Keep in mind that there are 9 different airlines that fly to California 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 California?

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

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

As of October 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to California.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to California.

What documentation or ID do you need to fly to California?

The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$165 Cheap Flights from Islip, New York to California in 2026/27

Find the cheapest flights from Islip, New York to California

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 9:10 pmISP Islip Long Island-LAX Los Angeles

8h 05m1 stop Baltimore/Washington

11:10 pm - 11:45 amLAX Los Angeles-ISP Islip Long Island

9h 35m2 stops Nashville Intl Baltimore/Washington

$324Southwest

Thu, Dec 10 - Mon, Dec 14

4:05 pm - 9:10 pmISP Islip Long Island-LAX Los Angeles

8h 05m1 stop Baltimore/Washington

10:00 pm - 11:45 amLAX Los Angeles-ISP Islip Long Island

10h 45m1 stop Baltimore/Washington

$324Southwest

Thu, Dec 10 - Mon, Dec 14

5:40 pm - 1:30 amISP Islip Long Island-LAX Los Angeles

10h 50m2 stops Baltimore/Washington Nashville Intl

11:10 pm - 11:45 amLAX Los Angeles-ISP Islip Long Island

9h 35m2 stops Nashville Intl Baltimore/Washington

$372Southwest

Thu, Oct 29 - Mon, Nov 2

5:45 am - 11:35 amISP Islip Long Island-LAX Los Angeles

8h 50m1 stop Baltimore/Washington

10:15 am - 9:30 pmLAX Los Angeles-ISP Islip Long Island

8h 15m2 stops Kansas City Baltimore/Washington

$395Southwest

Thu, Jan 7 - Wed, Jan 13

5:45 am - 11:35 amISP Islip Long Island-LAX Los Angeles

8h 50m1 stop Baltimore/Washington

9:55 pm - 11:55 amLAX Los Angeles-ISP Islip Long Island

11h 00m1 stop Baltimore/Washington

$395Southwest

Thu, Jan 7 - Wed, Jan 13

5:45 am - 3:00 pmISP Islip Long Island-LAX Los Angeles

12h 15m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

8:30 am - 9:30 pmLAX Los Angeles-ISP Islip Long Island

10h 00m2 stops Houston Hobby Baltimore/Washington

$400Southwest

Thu, Jan 7 - Wed, Jan 13

4:05 pm - 9:10 pmISP Islip Long Island-LAX Los Angeles

8h 05m1 stop Baltimore/Washington

5:10 am - 5:05 pmLAX Los Angeles-ISP Islip Long Island

8h 55m1 stop Baltimore/Washington

$408Southwest

Thu, Dec 10 - Sun, Dec 13

4:05 pm - 9:10 pmISP Islip Long Island-LAX Los Angeles

8h 05m1 stop Baltimore/Washington

11:35 am - 11:30 pmLAX Los Angeles-ISP Islip Long Island

8h 55m2 stops Chicago Midway Baltimore/Washington

$413Southwest

Thu, Dec 10 - Sun, Dec 13

6:00 am - 12:35 pmISP Islip Long Island-LAX Los Angeles

9h 35m1 stop Fort Lauderdale

8:23 am - 9:37 pmLAX Los Angeles-ISP Islip Long Island

10h 14m1 stop Fort Lauderdale

$488JetBlue

Mon, Nov 2 - Wed, Nov 4

6:00 am - 12:35 pmISP Islip Long Island-LAX Los Angeles

9h 35m1 stop Fort Lauderdale

7:00 am - 9:37 pmLAX Los Angeles-ISP Islip Long Island

11h 37m1 stop Fort Lauderdale

$488JetBlue

Mon, Nov 2 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:25 pm - 12:02 pmISP Islip Long Island-LAX Los Angeles

20h 37m2 stops Orlando Atlanta Hartsfield-Jackson

11:20 am - 6:00 pmLAX Los Angeles-ISP Islip Long Island

27h 40m2 stops Las Vegas Harry Reid Intl Orlando

$776Frontier

Sun, Oct 11 - Thu, Oct 15

9:40 am - 4:50 pmISP Islip Long Island-LAX Los Angeles

10h 10m1 stop Baltimore/Washington

10:20 pm - 11:40 amLAX Los Angeles-ISP Islip Long Island

10h 20m1 stop Orlando

$862Southwest

Tue, Oct 13 - Fri, Oct 23

12:50 pm - 9:15 pmISP Islip Long Island-LAX Los Angeles

11h 25m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

5:00 am - 5:00 pmLAX Los Angeles-ISP Islip Long Island

9h 00m1 stop Baltimore/Washington

$867Southwest

Tue, Oct 13 - Fri, Oct 23

9:40 am - 5:45 pmISP Islip Long Island-LAX Los Angeles

11h 05m2 stops Baltimore/Washington San Jose

11:05 pm - 11:55 amLAX Los Angeles-ISP Islip Long Island

9h 50m2 stops Nashville Intl Baltimore/Washington

$872Southwest

Tue, Oct 13 - Fri, Oct 23

6:00 am - 2:55 pmISP Islip Long Island-SFO San Francisco

11h 55m2 stops Baltimore/Washington San Diego

11:40 pm - 3:45 pmSFO San Francisco-ISP Islip Long Island

13h 05m2 stops Chicago Midway Baltimore/Washington

$877Southwest

Thu, Oct 15 - Mon, Oct 19

6:00 am - 1:25 pmISP Islip Long Island-SFO San Francisco

10h 25m2 stops Baltimore/Washington Denver Intl

9:35 pm - 12:10 pmSFO San Francisco-ISP Islip Long Island

11h 35m1 stop Baltimore/Washington

$878Southwest

Thu, Oct 15 - Mon, Oct 19

4:20 pm - 11:15 pmISP Islip Long Island-LAX Los Angeles

9h 55m1 stop Baltimore/Washington

10:20 pm - 10:20 amLAX Los Angeles-ISP Islip Long Island

9h 00m1 stop Orlando

$902Southwest

Tue, Oct 13 - Thu, Oct 15

9:40 am - 5:15 pmISP Islip Long Island-LAX Los Angeles

10h 35m2 stops Baltimore/Washington Sacramento Intl

5:00 am - 5:00 pmLAX Los Angeles-ISP Islip Long Island

9h 00m1 stop Baltimore/Washington

$908Southwest

Tue, Oct 13 - Thu, Oct 15

12:50 pm - 9:15 pmISP Islip Long Island-LAX Los Angeles

11h 25m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

10:20 pm - 11:45 amLAX Los Angeles-ISP Islip Long Island

10h 25m2 stops Orlando Baltimore/Washington

$913Southwest

Tue, Oct 13 - Thu, Oct 15

6:00 am - 12:22 pmISP Islip Long Island-LAX Los Angeles

9h 22m1 stop Fort Lauderdale

7:00 am - 9:37 pmLAX Los Angeles-ISP Islip Long Island

11h 37m1 stop Fort Lauderdale

$969JetBlue

Thu, Oct 15 - Mon, Oct 19

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JetBlue flights from Islip, New York to California

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

JetBlue

Nov 2

ISP6:00 amIslip Long Island

11h 50m

1 stop

LAX2:50 pmLos Angeles

Nov 13

LAX10:00 amLos Angeles

8h 37m

1 stop

ISP9:37 pmIslip Long Island

$488

JetBlue

Oct 30

ISP6:00 amIslip Long Island

9h 35m

1 stop

LAX12:35 pmLos Angeles

Nov 2

LAX8:23 amLos Angeles

10h 14m

1 stop

ISP9:37 pmIslip Long Island

$537

JetBlue

Nov 8

ISP6:00 amIslip Long Island

9h 32m

1 stop

LAX12:32 pmLos Angeles

Nov 13

LAX10:00 amLos Angeles

8h 37m

1 stop

ISP9:37 pmIslip Long Island

$543

Frontier flights from Islip, New York to California

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

Frontier

Nov 1

ISP6:33 pmIslip Long Island

20h 46m

2 stops

LAX12:19 pmLos Angeles

Nov 6

LAX12:26 amLos Angeles

14h 05m

2 stops

ISP5:31 pmIslip Long Island

$585

Frontier

Dec 3

ISP2:44 pmIslip Long Island

21h 32m

2 stops

SFO9:16 amSan Francisco

Dec 5

SFO4:51 pmSan Francisco

17h 58m

2 stops

ISP1:49 pmIslip Long Island

$610

Frontier

Oct 19

ISP6:55 pmIslip Long Island

20h 07m

2 stops

LAX12:02 pmLos Angeles

Oct 23

LAX4:33 pmLos Angeles

21h 57m

2 stops

ISP5:30 pmIslip Long Island

$620

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 12/10

4:05 pm-9:10 pm

1 stop8h 05m

Los Angeles

Mon 12/14

11:10 pm-11:45 am

2 stops9h 35m

$324

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 12/10

4:05 pm-9:10 pm

1 stop8h 05m

Los Angeles

Mon 12/14

10:00 pm-11:45 am

1 stop10h 45m

$324

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 10/29

5:40 pm-1:30 am

2 stops10h 50m

Los Angeles

Mon 11/2

11:10 pm-11:45 am

2 stops9h 35m

$372

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 1/7

5:45 am-11:35 am

1 stop8h 50m

Los Angeles

Wed 1/13

10:15 am-9:30 pm

2 stops8h 15m

$395

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 1/7

5:45 am-11:35 am

1 stop8h 50m

Los Angeles

Wed 1/13

9:55 pm-11:55 am

1 stop11h 00m

$395

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 1/7

5:45 am-3:00 pm

2 stops12h 15m

Los Angeles

Wed 1/13

8:30 am-9:30 pm

2 stops10h 00m

$400

Quickest round-trip

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 12/10

4:05 pm-9:10 pm

1 stop8h 05m

Los Angeles

Sun 12/13

5:10 am-5:05 pm

1 stop8h 55m

$408

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Thu 12/10

4:05 pm-9:10 pm

1 stop8h 05m

Los Angeles

Sun 12/13

11:35 am-11:30 pm

2 stops8h 55m

$413

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Mon 11/2

6:00 am-12:35 pm

1 stop9h 35m

Los Angeles

Wed 11/4

8:23 am-9:37 pm

1 stop10h 14m

$488

IslipLos Angeles

ISP Islip Long Island - LAX Los Angeles

ISPLAX

Islip Long Island

Mon 11/2

6:00 am-12:35 pm

1 stop9h 35m

Los Angeles

Wed 11/11

7:00 am-9:37 pm

1 stop11h 37m

$488

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 California

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

What is the cheapest month to fly to California?

The month of April is another great option to travel to California, with average flight prices from Islip, New York averaging around $387.

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

You could potentially save up to 21% on your flight if you consider stops on a Islip, New York to California flight.

Cheap Islip, New York to California flight deals and tips

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

Best Price Found	$165
Fastest flight time	7h 45m
Direct flights	None

The best one-way flight to California from Islip, New York in the past 72 hours is $165. The best round-trip flight deal from Islip, New York to California found on momondo in the last 72 hours is $324.

The fastest flight from Islip, New York to California takes 7h 45m

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

Search flight deals

Frequently asked questions about flying from Islip, New York to California

When did momondo last update prices for flights from Islip Long Island Airport to California?
Prices for flights from Islip Long Island Airport to California are refreshed on a daily basis.
How many operators does momondo search for flights from Islip Long Island Airport to California?
As of October 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to California.
How old do you have to be to fly from Islip Long Island Airport to California?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to California.
What documentation or ID do you need to fly to California?
The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Islip, New York to California

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $310	Free Cancellation	Rating 7.9 4,221 reviews		Search Southwest flights

Why use momondo?

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

It is quick and easy to find Islip to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

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

All flight searches from Islip to California on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to California?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to California.

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

Yes. momondo can track prices for Islip to California flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.