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Islip

$105+ 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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Jun 13 — Jun 201
Sat 6/13
Sat 6/20
1 adult, Economy
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Cheap 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 May 14, 2026.

This CheapOair deal was found by Cheapflights users on 5/10. 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.
Wed 6/109:15 am
LAS
-
ISP
1 stop8h 42m
Frontier
Sun 6/149:52 pm
ISP
-
LAS
1 stop16h 18m
Frontier
Deal found 5/10$230
This CheapOair deal was found by Cheapflights users on 5/10. 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.
Thu 9/311:03 pm
LAX
-
ISP
1 stop32h 00m
Frontier
Sun 9/610:48 am
ISP
-
LAX
1 stop10h 39m
Frontier
Deal found 5/10$250
This Frontier deal was found by Cheapflights users on 5/9. 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 8/188:17 pm
LAS
-
ISP
1 stop10h 46m
Frontier
Thu 8/2710:48 am
ISP
-
LAS
1 stop12h 57m
Frontier
Deal found 5/9$250
This CheapOair deal was found by Cheapflights users on 5/12. 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.
Sat 9/511:03 pm
LAX
-
ISP
1 stop32h 00m
Frontier
Tue 9/154:13 pm
ISP
-
LAX
1 stop29h 35m
Frontier
Deal found 5/12$270
This Expedia deal was found by Cheapflights users on 5/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/48:51 pm
SFO
-
ISP
1 stop10h 12m
Frontier
Mon 9/710:48 am
ISP
-
SFO
1 stop26h 41m
Frontier
Deal found 5/11$270
This Frontier deal was found by Cheapflights users on 5/9. 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.
Thu 8/139:42 pm
LAS
-
ISP
1 stop9h 16m
Frontier
Sun 8/3010:48 am
ISP
-
LAS
1 stop12h 57m
Frontier
Deal found 5/9$270
This Frontier deal was found by Cheapflights users on 5/11. 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.
Mon 8/1711:00 pm
LAX
-
ISP
1 stop13h 56m
Frontier
Mon 8/2410:48 am
ISP
-
LAX
1 stop10h 39m
Frontier
Deal found 5/11$290
This Frontier deal was found by Cheapflights users on 5/9. 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.
Fri 8/149:42 pm
LAS
-
ISP
1 stop9h 16m
Frontier
Sun 8/3010:48 am
ISP
-
LAS
1 stop12h 57m
Frontier
Deal found 5/9$290
This Booking.com deal was found by Cheapflights users on 5/10. 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.
Thu 9/179:56 pm
LAX
-
ISP
1 stop8h 37m
Frontier
Tue 9/224:13 pm
ISP
-
LAX
1 stop29h 35m
Frontier
Deal found 5/10$302
This Frontier deal was found by Cheapflights users on 5/9. 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 8/188:17 pm
LAS
-
ISP
1 stop10h 46m
Frontier
Wed 8/2610:48 am
ISP
-
LAS
1 stop12h 57m
Frontier
Deal found 5/9$315
This CheapOair deal was found by Cheapflights users on 5/12. 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 5/2210:25 pm
LAS
-
ISP
1 stop16h 33m
Frontier
Mon 5/256:43 pm
ISP
-
LAS
1 stop9h 10m
Frontier
Deal found 5/12$330
This CheapOair deal was found by Cheapflights users on 5/10. 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.
Mon 7/2011:00 pm
LAX
-
ISP
1 stop13h 56m
Frontier
Fri 7/2410:48 am
ISP
-
LAX
1 stop10h 24m
Frontier
Deal found 5/10$335

Find flight deals from California to Islip

Keep the following information in mind while searching for California to Islip flight deals. Data was last updated May 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$230
(CheapOair)

One-way from

$105
(CheapOair)

Popular in

April

Cheapest in

January

Average price

$377
Provider with most accurate pricing for Los Angeles Los Angeles-New York (NYC) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles 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. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
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 May 14, 2026.
Use the filters below to find and compare flights from California to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles Los Angeles

Thu 10/8

9:56 pm-9:33 am

1 stop8h 37m

Islip Long Island

Mon 10/12

4:13 pm-6:48 pm

1 stop29h 35m

$250

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Thu 6/18

11:36 pm-7:05 pm

1 stop16h 29m

Islip Long Island

Mon 6/22

9:52 pm-8:46 pm

1 stop25h 54m

$250

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 7/22

9:42 pm-10:03 am

1 stop9h 21m

Islip Long Island

Wed 7/29

10:48 am-8:10 pm

1 stop12h 22m

$270

San DiegoIslip

SAN - ISP

SANISP

San Diego

Thu 10/1

9:55 am-11:35 pm

2 stops10h 40m

Islip Long Island

Wed 10/7

4:25 pm-9:05 pm

1 stop7h 40m

$413

San JoseIslip

SJC - ISP

SJCISP

San Jose

Wed 8/12

10:30 pm-9:40 am

1 stop8h 10m

Islip Long Island

Wed 8/19

12:55 pm-6:20 pm

1 stop8h 25m

$423

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles Los Angeles

Tue 8/4

7:30 am-9:05 pm

2 stops10h 35m

Islip Long Island

Fri 8/14

4:05 pm-11:00 pm

2 stops9h 55m

$441

Los AngelesIslip

LAX - ISP

LAXISP

Los Angeles Los Angeles

Tue 7/28

7:45 pm-8:05 am

2 stops9h 20m

Islip Long Island

Sat 8/1

3:30 pm-11:05 pm

2 stops10h 35m

$441

Santa AnaIslip

SNA - ISP

SNAISP

Santa Ana J. Wayne/Orange Cnty

Wed 6/10

8:15 pm-8:20 am

2 stops9h 05m

Islip Long Island

Tue 6/16

12:25 pm-7:35 pm

2 stops10h 10m

$441

San JoseIslip

SJC - ISP

SJCISP

San Jose

Tue 9/15

10:30 pm-10:15 am

1 stop8h 45m

Islip Long Island

Sat 9/19

5:30 am-11:30 am

1 stop9h 00m

$445

San DiegoIslip

SAN - ISP

SANISP

San Diego

Mon 6/8

8:05 pm-8:05 am

2 stops9h 00m

Islip Long Island

Mon 6/15

6:00 am-11:45 am

1 stop8h 45m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How much does it cost to fly round-trip from California to Islip, New York?

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 8h 37m. Fly via Frontier, Southwest, or JetBlue to get the fastest option. California and Islip, New York are separated by a distance of 2503 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 Los Angeles - Islip Long Island. You may also consider San Francisco - Islip Long Island or San Diego - 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.

See more FAQs

Traveling to a place near Islip?

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

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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 May 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$318Average$605FlexibilityNo cancel feeOn-time63%

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