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$96+ Cheap flights from Islip, NY (ISP) to California

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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LAX
abr. 20 — abr. 271
dom. 4/20
dom. 4/27
1 adult, Economy
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Cheap flight deals from Islip to California

Keep the following information in mind while searching for Islip to California flight deals. Data was last updated abril 15, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$180
(CheapOair)

One-way from

$96
(CheapOair)

Popular in

December

Cheapest in

September

Average price

$407
Provider with most accurate pricing for New York (NYC)-Los Angeles flight deals.
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From Islip Long Island to California
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One-way flight from Islip Long Island to California
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Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Islip to California

Cheapest flights from Islip to California
Explore the most affordable flight options available from Islip to California. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 15, 2025.

This CheapOair deal was found by Cheapflights users on 4/14. 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. 4/236:51 pmISP - SFO
1 stop21h 28mFrontier
mar. 4/2910:07 pmSFO - ISP
1 stop8h 53mFrontier
Deal found 4/14$180
This CheapOair deal was found by Cheapflights users on 4/14. 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. 4/226:51 pmISP - LAX
1 stop26h 04mFrontier
mar. 4/294:59 pmLAX - ISP
1 stop14h 01mFrontier
Deal found 4/14$180
This CheapOair deal was found by Cheapflights users on 4/15. 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.
sáb. 5/107:15 pmISP - LAS
1 stop30h 25mFrontier
sáb. 5/1711:51 pmLAS - ISP
1 stop31h 21mFrontier
Deal found 4/15$240
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/76:00 amISP - LAX
1 stop9h 50mJetBlue
dom. 5/117:50 amLAX - ISP
1 stop10h 38mJetBlue
Deal found 4/14$261
This JetBlue deal was found by Cheapflights users on 4/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/106:00 amISP - LAS
1 stop7h 38mJetBlue
mié. 5/1410:18 amLAS - ISP
1 stop8h 10mJetBlue
Deal found 4/15$275
This JetBlue deal was found by Cheapflights users on 4/14. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/76:00 amISP - SAN
1 stop10h 54mJetBlue
mié. 5/2110:20 amSAN - ISP
1 stop8h 08mJetBlue
Deal found 4/14$277
This JetBlue deal was found by Cheapflights users on 4/15. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/242:39 pmISP - SFO
1 stop11h 57mJetBlue
jue. 7/39:25 pmSFO - ISP
1 stop9h 26mJetBlue
Deal found 4/15$349
This Southwest deal was found by Cheapflights users on 4/15. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/14:40 pmISP - ONT
2 stops9h 00mSouthwest
mié. 7/99:20 pmONT - ISP
1 stop9h 05mSouthwest
Deal found 4/15$394
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/2510:00 amISP - SFO
1 stop8h 15mSouthwest
mar. 7/299:00 pmSFO - ISP
1 stop12h 00mSouthwest
Deal found 4/14$394
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/264:00 pmISP - LAS
1 stop7h 35mSouthwest
sáb. 8/3011:30 pmLAS - ISP
2 stops10h 20mSouthwest
Deal found 4/14$394
This Southwest deal was found by Cheapflights users on 4/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/64:00 pmISP - LAX
2 stops10h 10mSouthwest
dom. 5/111:40 pmLAX - ISP
1 stop7h 25mSouthwest
Deal found 4/14$405
This Trip.com deal was found by Cheapflights users on 4/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/1511:02 amISP - LAS
2 stops15h 57mMultiple Airlines
dom. 5/185:35 amLAS - ISP
2 stops33h 23mMultiple Airlines
Deal found 4/14$417

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to California 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 abril 15, 2025.
Use the filters below to find and compare flights from Islip to California that are best for you.

Fly from

Islip

Fly to

California

Route

Depart

Return

Price

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

mié. 4/23

6:51 pm-1:19 pm

1 stop21h 28m

San Francisco

mar. 4/29

10:07 pm-10:00 am

1 stop8h 53m

$180

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

mar. 4/29

6:51 pm-5:55 pm

1 stop26h 04m

Los Angeles

mié. 5/14

4:59 pm-10:12 am

1 stop14h 13m

$181

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 5/10

7:15 pm-10:40 pm

1 stop30h 25m

Las Vegas Harry Reid Intl

sáb. 5/17

11:51 pm-10:12 am

1 stop31h 21m

$240

IslipLos Angeles

ISP - LAX

ISPLAX

Islip Long Island

mié. 5/7

6:00 am-12:50 pm

1 stop9h 50m

Los Angeles

dom. 5/11

7:50 am-9:28 pm

1 stop10h 38m

$261

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 5/10

6:00 am-10:38 am

1 stop7h 38m

Las Vegas Harry Reid Intl

mié. 5/14

10:18 am-9:28 pm

1 stop8h 10m

$275

IslipSan Diego

ISP - SAN

ISPSAN

Islip Long Island

mié. 5/7

6:00 am-1:54 pm

1 stop10h 54m

San Diego

mié. 5/21

10:20 am-9:28 pm

1 stop8h 08m

$277

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

sáb. 5/17

7:15 pm-10:40 pm

1 stop30h 25m

Las Vegas Harry Reid Intl

mié. 5/21

9:45 pm-1:05 pm

1 stop12h 20m

$279

IslipSan Francisco

ISP - SFO

ISPSFO

Islip Long Island

mar. 6/24

2:39 pm-11:36 pm

1 stop11h 57m

San Francisco

jue. 7/3

9:25 pm-9:51 am

1 stop9h 26m

$349

IslipOntario

ISP - ONT

ISPONT

Islip Long Island

mar. 7/1

4:40 pm-10:40 pm

2 stops9h 00m

Ontario

mié. 7/9

9:20 pm-9:25 am

1 stop9h 05m

$394

IslipLas Vegas

ISP - LAS

ISPLAS

Islip Long Island

mar. 8/26

4:00 pm-8:35 pm

1 stop7h 35m

Las Vegas Harry Reid Intl

sáb. 8/30

11:30 pm-12:50 pm

2 stops10h 20m

$394

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 36 results
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Best time to book a flight from Islip to California

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

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to California (average of $246). Flying from Islip, New York to California in June is currently the most expensive (average of $328). 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 ISP to CA?

Find hourly flight availability from Islip to California. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to California as you normally would.

Rainfall in California by month

Plan your trip to California by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in California ranges from 0.0 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. July is typically the driest time to visit California when rainfall is around 0.0 in.

Temperature in California by month

Plan your trip to California by taking into account the average temperature totals by month.

If weather is an important factor for your trip to California, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing California

Get insights into the airlines that provide service to California. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to California. Reviews last updated abril 15, 2025.
See what other customers who have flown with Breeze Airways, Southwest and JetBlue from Islip to California have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
158 reviews

Comfort

8.2

Overall

8.1

Boarding

8.3

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Breeze Airways
8.1
Very good
158 reviews
Breeze Airways
8.1
Very good
158 reviews

Comfort

8.2

Overall

8.1

Boarding

8.3

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Southwest
8.0
Very good
4,279 reviews
Breeze Airways
8.1
Very good
158 reviews

Comfort

8.2

Overall

8.1

Boarding

8.3

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
JetBlue
7.3
Good
2,926 reviews
Breeze Airways
8.1
Very good
158 reviews

Comfort

8.2

Overall

8.1

Boarding

8.3

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
Frontier
6.0
Okay
3,281 reviews
Breeze Airways
8.1
Very good
158 reviews

Comfort

8.2

Overall

8.1

Boarding

8.3

Food

6.7

Crew

8.8

Entertainment

6.6

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Related info for your journey

Find useful and relevant information for your journey from Islip to California. 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 from for flights from Islip to California?

    Most people fly from Islip Long Island (ISP) if they book a flight from Islip to California. Islip Long Island is conveniently located just 7.2 mi from Islip’s city center.

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

    The cheapest airlines for a one-way flight from Islip, New York to California are Frontier ($96), JetBlue ($141), and Southwest ($181).

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

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

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to California (average of $246). Flying from Islip, New York to California in June is currently the most expensive (average of $328). 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

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Alternative routes for Islip to California

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Top airline flying from Islip to California

Discover the top airline that operate flights from Islip to California. 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 abril 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$344Average$546FlexibilityNo cancel feeOn-time63%

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