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Islip

$80+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Apr 30 — May 71
Thu 4/30
Thu 5/7
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 March 31, 2026.

This CheapOair deal was found by Cheapflights users on 3/28. 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.
Mon 5/49:04 pm
LAX
-
ISP
1 stop10h 56m
Frontier
Sat 5/911:00 am
ISP
-
LAX
1 stop10h 27m
Frontier
Deal found 3/28$185
This Frontier deal was found by Cheapflights users on 3/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/411:54 pm
LAS
-
ISP
1 stop8h 06m
Frontier
Wed 5/611:00 am
ISP
-
LAS
1 stop12h 47m
Frontier
Deal found 3/28$185
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Thu 4/309:04 pm
LAX
-
ISP
1 stop9h 09m
Frontier
Sat 5/911:00 am
ISP
-
LAX
1 stop10h 27m
Frontier
Deal found 3/27$205
This CheapOair deal was found by Cheapflights users on 3/31. 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 4/2311:29 pm
LAS
-
ISP
1 stop17h 07m
Frontier
Sun 4/264:07 pm
ISP
-
LAS
1 stop9h 34m
Frontier
Deal found 3/31$205
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Mon 5/1110:12 pm
LAS
-
ISP
1 stop9h 48m
Frontier
Sat 5/166:43 pm
ISP
-
LAS
1 stop9h 11m
Frontier
Deal found 3/27$210
This CheapOair deal was found by Cheapflights users on 3/27. 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.
Sat 4/259:04 pm
LAX
-
ISP
1 stop9h 09m
Frontier
Sun 4/264:07 pm
ISP
-
LAX
1 stop29h 59m
Frontier
Deal found 3/27$225
This Frontier deal was found by Cheapflights users on 3/31. 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 5/2110:12 pm
LAS
-
ISP
1 stop8h 53m
Frontier
Mon 5/256:43 pm
ISP
-
LAS
1 stop9h 10m
Frontier
Deal found 3/31$225
This CheapOair deal was found by Cheapflights users on 3/30. 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 5/49:04 pm
LAX
-
ISP
1 stop10h 56m
Frontier
Wed 5/611:00 am
ISP
-
LAX
1 stop10h 27m
Frontier
Deal found 3/30$230
This Frontier deal was found by Cheapflights users on 3/31. 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.
Wed 5/208:17 pm
LAS
-
ISP
1 stop10h 48m
Frontier
Wed 5/276:43 pm
ISP
-
LAS
1 stop9h 10m
Frontier
Deal found 3/31$230
This CheapOair deal was found by Cheapflights users on 3/31. 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 6/111:21 pm
LAX
-
ISP
1 stop14h 56m
Frontier
Thu 6/411:00 am
ISP
-
LAX
1 stop10h 27m
Frontier
Deal found 3/31$235
This Frontier deal was found by Cheapflights users on 3/31. 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.
Wed 5/208:17 pm
LAS
-
ISP
1 stop10h 48m
Frontier
Fri 5/296:43 pm
ISP
-
LAS
1 stop9h 10m
Frontier
Deal found 3/31$235
This CheapOair deal was found by Cheapflights users on 3/31. 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 4/159:04 pm
LAX
-
ISP
1 stop9h 29m
Frontier
Fri 4/174:07 pm
ISP
-
LAX
1 stop29h 59m
Frontier
Deal found 3/31$241

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 March 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$185
(CheapOair)

One-way from

$80
(CheapOair)

Popular in

December

Cheapest in

January

Average price

$352
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. 2% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 31, 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

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Mon 5/4

11:54 pm-11:00 am

1 stop8h 06m

Islip Long Island

Wed 5/6

11:00 am-8:47 pm

1 stop12h 47m

$185

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Mon 5/11

10:12 pm-11:00 am

1 stop9h 48m

Islip Long Island

Sat 5/16

6:43 pm-12:54 am

1 stop9h 11m

$210

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 6/3

8:17 pm-10:05 am

1 stop10h 48m

Islip Long Island

Fri 6/12

10:48 am-8:45 pm

1 stop12h 57m

$230

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 5/20

8:17 pm-10:05 am

1 stop10h 48m

Islip Long Island

Fri 5/29

6:43 pm-12:53 am

1 stop9h 10m

$235

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 5/20

8:17 pm-10:05 am

1 stop10h 48m

Islip Long Island

Sat 5/30

11:00 am-8:47 pm

1 stop12h 47m

$235

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Thu 5/21

10:12 pm-10:05 am

1 stop8h 53m

Islip Long Island

Wed 5/27

6:43 pm-12:53 am

1 stop9h 10m

$250

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Wed 6/3

8:17 pm-10:05 am

1 stop10h 48m

Islip Long Island

Thu 6/11

10:48 am-8:45 pm

1 stop12h 57m

$250

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Thu 6/4

10:12 pm-10:05 am

1 stop8h 53m

Islip Long Island

Fri 6/12

10:48 am-8:45 pm

1 stop12h 57m

$250

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Thu 5/21

10:12 pm-10:05 am

1 stop8h 53m

Islip Long Island

Sat 5/30

11:00 am-8:47 pm

1 stop12h 47m

$255

Las VegasIslip

LAS - ISP

LASISP

Las Vegas Harry Reid Intl

Thu 5/21

10:12 pm-10:05 am

1 stop8h 53m

Islip Long Island

Fri 5/29

6:43 pm-12:53 am

1 stop9h 10m

$255

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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

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

Currently, June is the cheapest month in which you can book a flight from California to Islip, New York (average of $78). Flying from California to Islip, New York in December is currently the most expensive (average of $159). 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.

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 7h 25m. Fly via Frontier or Southwest 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 - 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, June is the cheapest month in which you can book a flight from California to Islip, New York (average of $78). Flying from California to Islip, New York in December is currently the most expensive (average of $159). 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

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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 March 31, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$318Average$612FlexibilityNo cancel feeOn-time63%

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