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Islip

$95+ 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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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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 April 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$181
(CheapOair)

One-way from

$95
(Frontier)

Popular in

June

Cheapest in

January

Average price

$373
Provider with most accurate pricing for Los Angeles-New York (NYC) flight deals.
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Provider most trusted by Cheapflights users for Los Angeles-New York (NYC) flights.
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From California to Islip Long Island
Search Deals
One-way flight from California to Islip Long Island
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Highest demand for flights based on searches. 10% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 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 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 April 29, 2025.

This CheapOair deal was found by Cheapflights users on 4/29. 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.
Fri 5/24:59 pmLAX - ISP
1 stop14h 42mFrontier
Mon 5/56:48 pmISP - LAX
1 stop25h 55mFrontier
Deal found 4/29$181
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/209:59 pmSFO - ISP
1 stop9h 42mFrontier
Sat 5/249:06 pmISP - SFO
1 stop16h 22mFrontier
Deal found 4/29$198
This Frontier deal was found by Cheapflights users on 4/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1011:51 pmLAS - ISP
1 stop31h 21mFrontier
Sat 5/177:15 pmISP - LAS
1 stop30h 25mFrontier
Deal found 4/29$257
This Southwest deal was found by Cheapflights users on 4/29. 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.
Tue 5/279:55 pmLAS - ISP
1 stop8h 15mSouthwest
Tue 6/34:00 pmISP - LAS
1 stop8h 55mSouthwest
Deal found 4/29$332
This Southwest deal was found by Cheapflights users on 4/29. 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.
Thu 8/285:00 amLAX - ISP
1 stop8h 30mSouthwest
Sun 8/316:25 amISP - LAX
1 stop9h 25mSouthwest
Deal found 4/29$360
This JetBlue deal was found by Cheapflights users on 4/29. 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.
Tue 6/179:10 pmSFO - ISP
1 stop9h 41mJetBlue
Thu 6/262:39 pmISP - SFO
1 stop12h 01mJetBlue
Deal found 4/29$367
This Southwest deal was found by Cheapflights users on 4/28. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:00 amLGB - ISP
2 stops11h 45mSouthwest
Tue 8/266:05 amISP - LGB
2 stops11h 35mSouthwest
Deal found 4/28$402
This JetBlue deal was found by Cheapflights users on 4/29. 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.
Fri 5/97:50 amLAX - ISP
1 stop10h 38mJetBlue
Tue 5/136:00 amISP - LAX
1 stop9h 50mJetBlue
Deal found 4/29$413
This Trip.com deal was found by Cheapflights users on 4/29. 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.
Mon 5/126:15 amSAN - ISP
2 stops33h 10mMultiple Airlines
Thu 5/1511:02 amISP - SAN
2 stops23h 11mMultiple Airlines
Deal found 4/29$426
This Booking.com deal was found by Cheapflights users on 4/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/184:59 pmLAX - ISP
1 stop14h 13mMultiple Airlines
Tue 5/201:55 pmISP - LAX
2 stops25h 04mMultiple Airlines
Deal found 4/29$451
This Southwest deal was found by Cheapflights users on 4/29. 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.
Sun 6/87:00 pmSNA - ISP
2 stops11h 25mSouthwest
Sat 8/95:40 amISP - SNA
2 stops9h 30mSouthwest
Deal found 4/29$459
This Southwest deal was found by Cheapflights users on 4/29. 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.
Tue 5/206:35 pmSFO - ISP
2 stops11h 35mSouthwest
Sun 5/256:45 amISP - SFO
2 stops11h 40mSouthwest
Deal found 4/29$497

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 April 29, 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

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Fri 5/9

4:59 pm-10:41 am

1 stop14h 42m

Islip Long Island

Mon 5/12

6:48 pm-5:43 pm

1 stop25h 55m

$181

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 5/20

9:59 pm-10:41 am

1 stop9h 42m

Islip Long Island

Sat 5/24

9:06 pm-10:28 am

1 stop16h 22m

$198

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Sat 5/10

11:51 pm-10:12 am

1 stop31h 21m

Islip Long Island

Sat 5/17

7:15 pm-10:40 pm

1 stop30h 25m

$257

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Tue 5/27

9:55 pm-9:10 am

1 stop8h 15m

Islip Long Island

Tue 6/3

4:00 pm-9:55 pm

1 stop8h 55m

$332

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Thu 8/28

5:00 am-4:30 pm

1 stop8h 30m

Islip Long Island

Sun 8/31

6:25 am-12:50 pm

1 stop9h 25m

$360

San FranciscoIslip

SFO - ISP

SFOISP

San Francisco

Tue 6/17

9:10 pm-9:51 am

1 stop9h 41m

Islip Long Island

Thu 6/26

2:39 pm-11:40 pm

1 stop12h 01m

$367

Long BeachIslip

LGB - ISP

LGBISP

Long Beach Municipal

Fri 8/22

8:00 am-10:45 pm

2 stops11h 45m

Islip Long Island

Tue 8/26

6:05 am-2:40 pm

2 stops11h 35m

$402

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Fri 5/9

7:50 am-9:28 pm

1 stop10h 38m

Islip Long Island

Tue 5/13

6:00 am-12:50 pm

1 stop9h 50m

$413

San DiegoIslip

SAN - ISP

SANISP

San Diego

Mon 5/12

6:15 am-6:25 pm

2 stops33h 10m

Islip Long Island

Thu 5/15

11:02 am-7:13 am

2 stops23h 11m

$426

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles

Sun 5/18

4:59 pm-10:12 am

1 stop14h 13m

Islip Long Island

Tue 5/20

1:55 pm-11:59 am

2 stops25h 04m

$451

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 45 results
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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 $108). Flying from California to Islip, New York in November is currently the most expensive (average of $213). 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 April 29, 2025.

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

Rainfall in Islip by month

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

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

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

If weather is an important factor for your trip to Islip, New York, 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 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated April 29, 2025.
See what other customers who have flown with Breeze Airways, Southwest and JetBlue from California to Islip have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.1
Very good
160 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

Overall

8.1

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
160 reviews
Breeze Airways
8.1
Very good
160 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

Overall

8.1

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
4,295 reviews
Breeze Airways
8.1
Very good
160 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

Overall

8.1

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
2,922 reviews
Breeze Airways
8.1
Very good
160 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

Overall

8.1

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
3,287 reviews
Breeze Airways
8.1
Very good
160 reviews

Comfort

8.2

Food

6.7

Entertainment

6.6

Crew

8.8

Boarding

8.3

Overall

8.1

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 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.

  • 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 $95 on Frontier. Other airlines that offer cheap prices include Southwest from $176 and JetBlue from $194 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 San Francisco - Islip Long Island. You may also consider Los Angeles - 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 $108). Flying from California to Islip, New York in November is currently the most expensive (average of $213). 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 California?

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Alternative routes for California to Islip

See prices for flight routes from nearby airports that may be better suited for you.
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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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$323Average$561FlexibilityNo cancel feeOn-time63%

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