What airlines fly to Islip, New York?

United Airlines, JetBlue and American Airlines are the top three most popular airlines that fly to Islip, New York from California according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 9 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

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

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

How long does it take to fly to Islip, New York?

The flight from California to Islip, New York depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from San Diego (a popular airport in California) to New York John F Kennedy Intl Airport (the most popular airport in Islip, New York), then the flight time is 5h 10m on average. If you fly from Los Angeles (another popular airport in California) to New York John F Kennedy Intl Airport, then the average flight time is 5h 14m.

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

Prices for flights from California to Islip Long Island Airport are updated daily.

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

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

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

What documentation or ID do you need to fly to Islip Long Island Airport?

The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$144 Cheap Flights from California to Islip, New York in 2026/27

Find the cheapest flights from California to New York

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:30 am - 9:40 pmLAX Los Angeles-ISP Islip Long Island

7h 10m1 stop Baltimore/Washington

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

8h 05m1 stop Baltimore/Washington

$345Southwest

Fri, Dec 4 - Tue, Dec 8

11:30 am - 9:40 pmLAX Los Angeles-ISP Islip Long Island

7h 10m1 stop Baltimore/Washington

6:05 am - 1:25 pmISP Islip Long Island-LAX Los Angeles

10h 20m2 stops Baltimore/Washington Denver Intl

$350Southwest

Fri, Dec 4 - Tue, Dec 8

8:40 am - 9:45 pmONT Ontario-ISP Islip Long Island

10h 05m2 stops Phoenix Sky Harbor Intl Baltimore/Washington

6:05 am - 2:30 pmISP Islip Long Island-ONT Ontario

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

$351Southwest

Thu, Dec 3 - Tue, Dec 8

6:25 am - 11:20 amSAN San Diego-ISP Islip Long Island

25h 55m2 stops Denver Intl Raleigh-Durham

3:02 pm - 12:37 pmISP Islip Long Island-SAN San Diego

24h 35m1 stop Raleigh-Durham

$354Multiple Airlines

Fri, Nov 6 - Mon, Nov 9

8:30 am - 9:40 pmLAX Los Angeles-ISP Islip Long Island

10h 10m2 stops Denver Intl Baltimore/Washington

12:30 pm - 8:45 pmISP Islip Long Island-LAX Los Angeles

11h 15m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

$356Southwest

Fri, Dec 4 - Tue, Dec 8

9:43 pm - 10:17 amLAS Las Vegas Harry Reid Intl-ISP Islip Long Island

33h 34m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

6:54 pm - 1:43 pmISP Islip Long Island-LAS Las Vegas Harry Reid Intl

21h 49m1 stop Orlando

$357Multiple Airlines

Tue, Nov 10 - Mon, Nov 16

6:40 am - 9:50 pmLAX Los Angeles-ISP Islip Long Island

12h 10m2 stops Austin Bergstrom Baltimore/Washington

5:40 pm - 12:40 amISP Islip Long Island-LAX Los Angeles

10h 00m1 stop Baltimore/Washington

$357Southwest

Sat, Nov 7 - Mon, Nov 9

6:40 am - 9:50 pmLAX Los Angeles-ISP Islip Long Island

12h 10m2 stops Austin Bergstrom Baltimore/Washington

5:40 pm - 12:10 amISP Islip Long Island-LAX Los Angeles

9h 30m2 stops Baltimore/Washington Las Vegas Harry Reid Intl

$362Southwest

Sat, Nov 7 - Mon, Nov 9

10:15 pm - 5:30 pmLAS Las Vegas Harry Reid Intl-ISP Islip Long Island

16h 15m1 stop Orlando

6:33 pm - 10:47 amISP Islip Long Island-LAS Las Vegas Harry Reid Intl

19h 14m1 stop Orlando

$366Frontier

Fri, Oct 23 - Thu, Oct 29

9:45 am - 10:45 pmSFO San Francisco-ISP Islip Long Island

10h 00m2 stops Austin Bergstrom Baltimore/Washington

5:45 am - 2:20 pmISP Islip Long Island-SFO San Francisco

11h 35m1 stop Baltimore/Washington

$368Southwest

Fri, Jan 15 - Wed, Jan 20

Cheap last minute flights

Enter your travel dates to find the best prices.

10:15 pm - 4:58 pmLAS Las Vegas Harry Reid Intl-ISP Islip Long Island

15h 43m1 stop Orlando

5:43 pm - 8:07 amISP Islip Long Island-LAS Las Vegas Harry Reid Intl

17h 24m1 stop Orlando

$560Frontier

Thu, Sep 24 - Sat, Sep 26

10:05 pm - 4:58 pmSFO San Francisco-ISP Islip Long Island

15h 53m2 stops Atlanta Hartsfield-Jackson Orlando

5:43 pm - 12:14 amISP Islip Long Island-SFO San Francisco

33h 31m2 stops Orlando Denver Intl

$767Frontier

Sun, Sep 27 - Wed, Sep 30

10:30 am - 11:22 pmLAX Los Angeles-ISP Islip Long Island

9h 52m1 stop Fort Lauderdale

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

9h 22m1 stop Fort Lauderdale

$792JetBlue

Fri, Sep 25 - Tue, Oct 13

12:38 pm - 11:20 amLAX Los Angeles-ISP Islip Long Island

19h 42m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

5:43 pm - 6:10 pmISP Islip Long Island-LAX Los Angeles

27h 27m1 stop Orlando

$800Multiple Airlines

Tue, Sep 22 - Wed, Sep 23

3:01 pm - 4:58 pmLAS Las Vegas Harry Reid Intl-ISP Islip Long Island

22h 57m2 stops Asheville Regional Orlando Sanford Intl

7:45 pm - 12:16 pmISP Islip Long Island-LAS Las Vegas Harry Reid Intl

19h 31m1 stop Norfolk

$824Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

10:30 am - 11:22 pmLAX Los Angeles-ISP Islip Long Island

9h 52m1 stop Fort Lauderdale

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

9h 22m1 stop Fort Lauderdale

$827JetBlue

Fri, Sep 25 - Wed, Oct 14

10:15 pm - 4:58 pmLAS Las Vegas Harry Reid Intl-ISP Islip Long Island

15h 43m1 stop Orlando

7:45 pm - 12:16 pmISP Islip Long Island-LAS Las Vegas Harry Reid Intl

19h 31m1 stop Norfolk

$836Multiple Airlines

Thu, Sep 24 - Sun, Sep 27

9:40 pm - 4:58 pmLAX Los Angeles-ISP Islip Long Island

16h 18m1 stop Orlando

5:43 pm - 6:10 pmISP Islip Long Island-LAX Los Angeles

27h 27m1 stop Orlando

$839Frontier

Tue, Sep 22 - Thu, Sep 24

10:30 pm - 9:40 amSFO San Francisco-ISP Islip Long Island

8h 10m1 stop Baltimore/Washington

6:05 am - 11:35 amISP Islip Long Island-SFO San Francisco

8h 30m1 stop Baltimore/Washington

$1,102Southwest

Sun, Sep 27 - Wed, Sep 30

10:30 pm - 9:40 amSFO San Francisco-ISP Islip Long Island

8h 10m1 stop Baltimore/Washington

6:05 am - 12:55 pmISP Islip Long Island-SFO San Francisco

9h 50m2 stops Baltimore/Washington Chicago Midway

$1,107Southwest

Sun, Sep 27 - Wed, Sep 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Frontier flights from California to Islip, New York

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

Frontier

Oct 23

LAS10:15 pmLas Vegas Harry Reid Intl

16h 15m

1 stop

ISP5:30 pmIslip Long Island

Oct 29

ISP6:33 pmIslip Long Island

19h 14m

1 stop

LAS10:47 amLas Vegas Harry Reid Intl

$366

Frontier

Nov 12

LAS10:15 pmLas Vegas Harry Reid Intl

16h 41m

1 stop

ISP5:56 pmIslip Long Island

Nov 16

ISP6:54 pmIslip Long Island

31h 14m

2 stops

LAS11:08 pmLas Vegas Harry Reid Intl

$379

Frontier

Nov 12

LAS10:15 pmLas Vegas Harry Reid Intl

16h 41m

1 stop

ISP5:56 pmIslip Long Island

Nov 16

ISP6:54 pmIslip Long Island

21h 49m

1 stop

LAS1:43 pmLas Vegas Harry Reid Intl

$398

JetBlue flights from California to Islip, New York

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

JetBlue

Nov 13

LAX10:00 amLos Angeles

8h 37m

1 stop

ISP9:37 pmIslip Long Island

Nov 16

ISP6:00 amIslip Long Island

9h 32m

1 stop

LAX12:32 pmLos Angeles

$531

JetBlue

Nov 13

LAX10:00 amLos Angeles

8h 37m

1 stop

ISP9:37 pmIslip Long Island

Nov 16

ISP6:00 amIslip Long Island

9h 32m

1 stop

LAX12:32 pmLos Angeles

$534

JetBlue

Dec 2

LAX11:03 amLos Angeles

8h 37m

1 stop

ISP10:40 pmIslip Long Island

Dec 5

ISP6:00 amIslip Long Island

13h 55m

1 stop

LAX4:55 pmLos Angeles

$543

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Los AngelesIslip

LAX Los Angeles - ISP Islip Long Island

LAXISP

Los Angeles

Fri 12/4

11:30 am-9:40 pm

1 stop7h 10m

Islip Long Island

Tue 12/8

4:05 pm-9:10 pm

1 stop8h 05m

$345

Los AngelesIslip

LAX Los Angeles - ISP Islip Long Island

LAXISP

Los Angeles

Fri 12/4

11:30 am-9:40 pm

1 stop7h 10m

Islip Long Island

Tue 12/8

6:05 am-1:25 pm

2 stops10h 20m

$350

OntarioIslip

ONT Ontario - ISP Islip Long Island

ONTISP

Ontario

Thu 12/3

8:40 am-9:45 pm

2 stops10h 05m

Islip Long Island

Tue 12/8

6:05 am-2:30 pm

2 stops11h 25m

$351

San DiegoIslip

SAN San Diego - ISP Islip Long Island

SANISP

San Diego

Fri 11/6

6:25 am-11:20 am

2 stops25h 55m

Islip Long Island

Mon 11/9

3:02 pm-12:37 pm

1 stop24h 35m

$354

Los AngelesIslip

LAX Los Angeles - ISP Islip Long Island

LAXISP

Los Angeles

Fri 12/4

8:30 am-9:40 pm

2 stops10h 10m

Islip Long Island

Tue 12/8

12:30 pm-8:45 pm

2 stops11h 15m

$356

Las VegasIslip

LAS Las Vegas Harry Reid Intl - ISP Islip Long Island

LASISP

Las Vegas Harry Reid Intl

Tue 11/10

9:43 pm-10:17 am

2 stops33h 34m

Islip Long Island

Mon 11/16

6:54 pm-1:43 pm

1 stop21h 49m

$357

Los AngelesIslip

LAX Los Angeles - ISP Islip Long Island

LAXISP

Los Angeles

Sat 11/7

6:40 am-9:50 pm

2 stops12h 10m

Islip Long Island

Mon 11/9

5:40 pm-12:40 am

1 stop10h 00m

$357

Los AngelesIslip

LAX Los Angeles - ISP Islip Long Island

LAXISP

Los Angeles

Sat 11/7

6:40 am-9:50 pm

2 stops12h 10m

Islip Long Island

Mon 11/9

5:40 pm-12:10 am

2 stops9h 30m

$362

Las VegasIslip

LAS Las Vegas Harry Reid Intl - ISP Islip Long Island

LASISP

Las Vegas Harry Reid Intl

Fri 10/23

10:15 pm-5:30 pm

1 stop16h 15m

Islip Long Island

Thu 10/29

6:33 pm-10:47 am

1 stop19h 14m

$366

San FranciscoIslip

SFO San Francisco - ISP Islip Long Island

SFOISP

San Francisco

Fri 1/15

9:45 am-10:45 pm

2 stops10h 00m

Islip Long Island

Wed 1/20

5:45 am-2:20 pm

1 stop11h 35m

$368

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 California to Islip, New York

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

Other information

What is the cheapest month to fly to Islip, New York?

The month of April is, on average, the cheapest month to fly to Islip, New York from California, with most prices found around $0. If you aren’t able to travel to Islip, New York during the month of April, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $382.

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

You could potentially save up to 22% on your flight if you consider stops on a California to Islip, New York flight.

Cheap California to Islip, New York flight deals and tips

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

Best Price Found	$144
Fastest flight time	6h 45m
Direct flights	None

The best one-way flight to Islip, New York from California in the past 72 hours is $144. The best round-trip flight deal from California to Islip, New York found on momondo in the last 72 hours is $345.

The fastest flight from California to Islip, New York takes 6h 45m

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

Search flight deals

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

When did momondo last update prices for flights from California to Islip Long Island Airport?
Prices for flights from California to Islip Long Island Airport are updated daily.
How many operators does momondo search for flights from California to Islip Long Island Airport?
As of September 2026, there is 1 operator available to choose from for flights from California to Islip Long Island Airport.
How old do you have to be to fly from California to Islip Long Island 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 California to Islip Long Island Airport.
What documentation or ID do you need to fly to Islip Long Island Airport?
The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from California to Islip, New York

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

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $368	Free Cancellation	Rating 8.0 4,194 reviews		Search Southwest flights

Montauk

Riverhead

Southampton

Amagansett

Sag Harbor

Why use momondo?

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

Finding the right flight to Islip from California is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

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

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

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

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 Islip from California.

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

Yes momondo offers price alerts on flights to Islip from California. 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 Islip, New York 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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 10/21

Wed 10/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from California

Complete your trip

Feeling lucky

Cheap flights from California to New York from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to New York departing on 12/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from California to New York

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Frontier flights from California to Islip, New York

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

JetBlue flights from California to Islip, New York

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

momondo Fare Finder

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

See travel insights to New York from

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

What is the cheapest month to fly to Islip, New York?

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

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

What airlines fly to Islip, New York?

How long does it take to fly to Islip, New York?

Cheap California to Islip, New York flight deals and tips

Best Price Found

Fastest flight time

Direct flights

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

Best airlines flying from California to Islip, New York

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

Traveling to a place near New York?

Why use momondo?

An easier way to manage your Islip, New York 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 New York

Fly your favorite airline to New York

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to New York

List of cabin classes available on flights landing in New York. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from California

According to popular flight searches on momondo this year

Complete your trip to New York

Explore popular destinations other users love

According to popular flight searches on momondo this year