HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Islip

$65+ Cheap flights from California to Islip, NY (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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from California 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.

Find flight deals from California to Islip

Cheapest flights from California to Islip
Explore the most affordable flight options available from California to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 28, 2025.

This CheapOair deal was found by Cheapflights users on 10/27. 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.
lun. 11/1711:02 pmLAS - ISP
1 stop15h 40mFrontier
mié. 11/194:58 pmISP - LAS
1 stop28h 10mFrontier
Deal found 10/27$176
This CheapOair deal was found by Cheapflights users on 10/28. 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.
mar. 11/1111:02 pmLAS - ISP
1 stop8h 35mFrontier
jue. 11/136:37 pmISP - LAS
1 stop18h 30mFrontier
Deal found 10/28$196
This CheapOair deal was found by Cheapflights users on 10/25. 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.
mar. 11/1811:02 pmLAS - ISP
1 stop8h 35mFrontier
lun. 12/228:35 pmISP - LAS
1 stop21h 09mFrontier
Deal found 10/25$200
This CheapOair deal was found by Cheapflights users on 10/26. 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.
lun. 11/311:02 pmLAS - ISP
1 stop15h 40mFrontier
lun. 11/174:58 pmISP - LAS
1 stop20h 09mFrontier
Deal found 10/26$206
This CheapOair deal was found by Cheapflights users on 10/27. 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.
lun. 10/272:27 pmLAX - ISP
1 stop24h 15mFrontier
jue. 11/2010:02 amISP - LAX
1 stop11h 21mFrontier
Deal found 10/27$226
This CheapOair deal was found by Cheapflights users on 10/27. 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.
mar. 12/910:20 pmLAS - ISP
1 stop21h 24mFrontier
vie. 12/128:29 pmISP - LAS
1 stop16h 14mFrontier
Deal found 10/27$226
This CheapOair deal was found by Cheapflights users on 10/26. 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.
lun. 12/810:20 pmLAS - ISP
1 stop18h 14mFrontier
vie. 12/128:29 pmISP - LAS
1 stop16h 14mFrontier
Deal found 10/26$246
This CheapOair deal was found by Cheapflights users on 10/26. 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.
lun. 11/1711:02 pmLAS - ISP
1 stop15h 40mFrontier
lun. 12/810:19 amISP - LAS
1 stop27h 04mFrontier
Deal found 10/26$252
This CheapOair deal was found by Cheapflights users on 10/26. 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.
lun. 11/1711:02 pmLAS - ISP
1 stop15h 40mFrontier
mar. 12/28:29 pmISP - LAS
1 stop16h 54mFrontier
Deal found 10/26$257
This CheapOair deal was found by Cheapflights users on 10/26. 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.
jue. 12/1811:03 pmLAS - ISP
1 stop10h 39mFrontier
lun. 12/228:35 pmISP - LAS
1 stop21h 09mFrontier
Deal found 10/26$270
This CheapOair deal was found by Cheapflights users on 10/28. 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.
mar. 11/1811:02 pmLAS - ISP
1 stop8h 35mFrontier
vie. 11/2111:32 amISP - LAS
1 stop25h 45mFrontier
Deal found 10/28$273
This CheapOair deal was found by Cheapflights users on 10/26. 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.
mié. 12/310:20 pmLAS - ISP
1 stop7h 53mFrontier
sáb. 12/610:19 amISP - LAS
1 stop26h 24mFrontier
Deal found 10/26$274

Cheap flight deals from California to Islip

Keep the following information in mind while searching for California to Islip flight deals. Data was last updated octubre 28, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$176
(CheapOair)

One-way from

$65
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$365
Provider with most accurate pricing for Los Angeles-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-New York (NYC) flights.
Search Deals
From California to Islip Long Island
Search Deals
One-way flight from California to Islip Long Island
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from California 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 octubre 28, 2025.
Use the filters below to find and compare flights from California to Islip that are best for you.

Fly from

California

Fly to

Islip

Route

Depart

Return

Price

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

lun. 11/17

11:02 pm-5:42 pm

1 stop15h 40m

Islip Long Island

mié. 11/19

4:58 pm-6:08 pm

1 stop28h 10m

$176

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

mar. 11/18

11:02 pm-10:37 am

1 stop8h 35m

Islip Long Island

lun. 12/22

8:35 pm-2:44 pm

1 stop21h 09m

$200

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

mar. 12/9

10:20 pm-10:44 pm

1 stop21h 24m

Islip Long Island

mar. 12/16

8:29 pm-10:23 am

1 stop16h 54m

$206

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

mar. 12/9

10:20 pm-10:44 pm

1 stop21h 24m

Islip Long Island

vie. 12/12

8:29 pm-9:43 am

1 stop16h 14m

$226

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

lun. 11/17

11:02 pm-5:42 pm

1 stop15h 40m

Islip Long Island

lun. 12/8

10:19 am-10:23 am

1 stop27h 04m

$252

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

lun. 11/17

11:02 pm-5:42 pm

1 stop15h 40m

Islip Long Island

lun. 11/24

9:02 am-10:13 am

1 stop28h 11m

$257

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

jue. 12/18

11:03 pm-12:42 pm

1 stop10h 39m

Islip Long Island

lun. 12/22

8:35 pm-2:44 pm

1 stop21h 09m

$270

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

mié. 12/3

10:20 pm-9:13 am

1 stop7h 53m

Islip Long Island

sáb. 12/6

10:19 am-9:43 am

1 stop26h 24m

$274

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

lun. 12/29

10:20 pm-11:25 am

1 stop10h 05m

Islip Long Island

lun. 1/5

8:35 pm-9:43 am

1 stop16h 08m

$281

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

jue. 11/20

11:15 pm-10:37 am

1 stop8h 22m

Islip Long Island

sáb. 11/22

8:47 am-6:23 pm

1 stop12h 36m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from California to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from California 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 California to Islip

What is the cheapest month to book a flight from California to Islip, New York?

Currently, January is the cheapest month in which you can book a flight from California to Islip, New York (average of $64). Flying from California to Islip, New York in November is currently the most expensive (average of $149). 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 CA to ISP?

Find hourly flight availability from California 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 octubre 28, 2025.

When flying from California to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 49% versus a flight in the morning.

Related info for your journey

Find useful and relevant information for your journey from California to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Islip from California?

    If you book a flight to Islip from California, you will be flying to Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • How long is the flight from California to Islip, New York?

    There are many flights that can get you from California to Islip, New York in 6h 55m. Fly via Frontier, JetBlue, or Southwest to get the fastest option. California and Islip, New York are separated by a distance of 2475 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from California to Islip, New York one-way?

    One-way options have recently been found by users for as low as $65 on Frontier. Other airlines that offer cheap prices include Southwest from $180 and JetBlue from $204 one-way.

  • What are the most popular routes from California to Islip, New York?

    The most popular route from California to Islip, New York is Los Angeles - Islip Long Island. You may also consider San Francisco - Islip Long Island or Las Vegas Harry Reid Intl - Islip Long Island.

  • Can I find deals for flights from California to Islip that include hotel bookings?

    Yes. In addition to deals on California to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from California to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from California to Islip.

  • Can I find deals for business class flights from California to Islip?

    Yes. Cheapflights offers flight deals from California 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 California to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from California to Islip, New York (average of $64). Flying from California to Islip, New York in November is currently the most expensive (average of $149). 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 Islip?

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

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 California 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
Dallas/Fort Worth to John F Kennedy Intl flights
Dallas/Fort Worth to LaGuardia flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
San Francisco to Newark flights
Dallas/Fort Worth to Newark flights
Los Angeles to Newark flights
Atlanta to John F Kennedy Intl flights
Los Angeles to LaGuardia flights
Fort Lauderdale to Newark flights
Hobby to LaGuardia flights
Hobby to Newark flights
Atlanta to LaGuardia flights
Miami to John F Kennedy Intl flights
Seattle to John F Kennedy Intl flights
Fort Lauderdale to John F Kennedy Intl flights
Tampa to John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Hobby to John F Kennedy Intl flights
Orlando to John F Kennedy Intl flights
Miami to Newark flights
San Francisco to LaGuardia flights
O'Hare Intl to Newark flights
O'Hare Intl to LaGuardia flights
Atlanta to Newark flights
Miami to LaGuardia flights
George Bush Intcntl to Newark flights
Austin to John F Kennedy Intl flights
Tampa to LaGuardia flights
George Bush Intcntl to John F Kennedy Intl flights
Raleigh to John F Kennedy Intl flights
Charlotte to John F Kennedy Intl flights
Sky Harbor Intl to John F Kennedy Intl flights
Denver to John F Kennedy Intl flights
George Bush Intcntl to LaGuardia flights
Seattle to Newark flights
Detroit to John F Kennedy Intl flights
Orlando to Newark flights
San Diego to John F Kennedy Intl flights
Tampa to Newark flights
Minneapolis to John F Kennedy Intl flights
Orlando to LaGuardia flights
Raleigh to LaGuardia flights
Austin to Newark flights
Seattle to LaGuardia flights
West Palm Beach to John F Kennedy Intl flights
Denver to Newark flights
Minneapolis to LaGuardia flights
Ontario to John F Kennedy Intl flights

Top airline flying from California to Islip

Discover the top airline that operate flights from California 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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$380Average$511FlexibilityNo 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.