$185+ Cheap flights from Islip, NY (ISP) to California
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — LAX
Dec 5 — Dec 121
Round-trip
1 adult, Economy
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Find cheap flights from Islip to California 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
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Cheapest flights from Islip to CaliforniaExplore 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 November 5, 2026.
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 November 5, 2026.
This JetBlue deal was found by Cheapflights users on 11/2. 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.
Thu 11/196:00 am -
1 stop10h 31m
Thu 11/268:30 am -
1 stop11h 10m
Deal found 11/2![JetBlue logo]()
$392
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/512:45 pm -
2 stops11h 30m
Mon 12/79:25 pm -
1 stop11h 20m
Deal found 11/4![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/126:00 am -
1 stop10h 30m
Thu 12/1710:15 am -
1 stop10h 20m
Deal found 11/4![Southwest logo]()
$397
This JetBlue deal was found by Cheapflights users on 11/3. 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.
Wed 11/186:00 am -
1 stop11h 47m
Sun 11/229:00 pm -
1 stop8h 50m
Deal found 11/3![JetBlue logo]()
$442
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sat 12/512:45 pm -
1 stop10h 35m
Fri 12/116:30 am -
1 stop7h 35m
Deal found 11/2![Southwest logo]()
$447
This JetBlue deal was found by Cheapflights users on 11/2. 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 11/206:00 am -
1 stop10h 55m
Thu 11/268:30 am -
1 stop11h 10m
Deal found 11/2![JetBlue logo]()
$447
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/512:45 pm -
1 stop10h 35m
Sat 12/127:15 am -
2 stops11h 30m
Deal found 11/4![Southwest logo]()
$457
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:39 am -
1 stop29h 27m
Sat 12/126:00 am -
2 stops25h 17m
Deal found 11/3![Multiple Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 11/3. 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 12/14:05 pm -
1 stop7h 55m
Tue 12/811:40 am -
1 stop7h 05m
Deal found 11/3![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 11/4. 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.
Wed 12/212:30 pm -
2 stops11h 55m
Wed 12/97:00 am -
2 stops11h 45m
Deal found 11/4![Southwest logo]()
$502
This JetBlue deal was found by Cheapflights users on 11/4. 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.
Thu 11/126:00 am -
1 stop11h 47m
Sun 11/158:30 am -
1 stop10h 07m
Deal found 11/4![JetBlue logo]()
$514
This Southwest deal was found by Cheapflights users on 11/3. 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 12/44:05 pm -
1 stop8h 10m
Sat 12/126:55 am -
1 stop11h 50m
Deal found 11/3![Southwest logo]()
$522
Best flights from Islip to CaliforniaDiscover carefully curated flight deals from Islip to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
Discover carefully curated flight deals from Islip to California that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 5, 2026.
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/1212:45 pm -
2 stops10h 40m
Thu 12/1710:15 am -
1 stop10h 20m
Deal found 11/4![Southwest logo]()
$403
This JetBlue deal was found by Cheapflights users on 11/2. 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 11/206:00 am -
1 stop10h 55m
Thu 11/268:30 am -
1 stop11h 10m
Deal found 11/2![JetBlue logo]()
$447
This Frontier deal was found by Cheapflights users on 11/3. 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 2/2311:59 am -
2 stops15h 06m
Thu 2/256:27 pm -
2 stops13h 37m
Deal found 11/3![Frontier logo]()
$607
This Southwest deal was found by Cheapflights users on 11/3. 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 1/245:45 am -
1 stop8h 25m
Thu 1/2811:20 am -
1 stop7h 10m
Deal found 11/3![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sat 12/512:45 pm -
1 stop10h 35m
Fri 12/116:30 am -
1 stop7h 35m
Deal found 11/2![Southwest logo]()
$447
This JetBlue deal was found by Cheapflights users on 11/4. 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.
Thu 3/45:55 am -
1 stop10h 28m
Tue 3/167:25 am -
1 stop11h 38m
Deal found 11/4![JetBlue logo]()
$529
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/512:45 pm -
1 stop10h 35m
Sat 12/127:15 am -
2 stops11h 30m
Deal found 11/4![Southwest logo]()
$457
This JetBlue deal was found by Cheapflights users on 11/4. 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.
Wed 3/35:55 am -
1 stop10h 28m
Tue 3/167:25 am -
1 stop11h 38m
Deal found 11/4![JetBlue logo]()
$529
This Southwest deal was found by Cheapflights users on 11/3. 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 1/105:45 am -
2 stops11h 25m
Fri 1/1510:15 am -
2 stops10h 25m
Deal found 11/3![Southwest logo]()
$461
This JetBlue deal was found by Cheapflights users on 11/4. 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 3/25:55 am -
1 stop10h 28m
Tue 3/167:25 am -
1 stop11h 38m
Deal found 11/4![JetBlue logo]()
$529
This Gotogate deal was found by Cheapflights users on 11/2. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:38 am -
3 stops35h 52m
Sun 1/37:45 am -
3 stops27h 37m
Deal found 11/2![Breeze Airways logo]()
$1,383
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sat 1/25:05 pm -
2 stops9h 50m
Sat 1/912:40 pm -
1 stop6h 50m
Deal found 11/2![Southwest logo]()
$482
This JetBlue deal was found by Cheapflights users on 10/31. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/156:00 am -
1 stop9h 32m
Thu 11/199:00 pm -
1 stop8h 50m
Deal found 10/31![JetBlue logo]()
$555
This Mytrip deal was found by Cheapflights users on 11/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:33 pm -
2 stops25h 50m
Thu 11/262:01 pm -
2 stops22h 44m
Deal found 11/2![Frontier logo]()
$752
This Southwest deal was found by Cheapflights users on 11/3. 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 12/14:05 pm -
1 stop7h 55m
Tue 12/811:40 am -
1 stop7h 05m
Deal found 11/3![Southwest logo]()
$483
This JetBlue deal was found by Cheapflights users on 11/4. 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.
Wed 3/35:55 am -
1 stop10h 28m
Fri 3/127:25 am -
1 stop11h 38m
Deal found 11/4![JetBlue logo]()
$584
This Frontier deal was found by Cheapflights users on 11/2. 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 11/234:40 pm -
2 stops16h 40m
Wed 12/22:00 pm -
2 stops20h 22m
Deal found 11/2![Frontier logo]()
$810
This Southwest deal was found by Cheapflights users on 11/3. 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 12/44:05 pm -
1 stop8h 10m
Sat 12/126:55 am -
1 stop11h 50m
Deal found 11/3![Southwest logo]()
$522
This JetBlue deal was found by Cheapflights users on 11/4. 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 3/25:55 am -
1 stop10h 28m
Sat 3/137:25 am -
1 stop11h 38m
Deal found 11/4![JetBlue logo]()
$584
This Southwest deal was found by Cheapflights users on 11/2. 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 11/196:05 am -
2 stops10h 00m
Thu 11/265:15 am -
1 stop8h 35m
Deal found 11/2![Southwest logo]()
$550
This Southwest deal was found by Cheapflights users on 11/4. 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 11/246:05 am -
1 stop10h 25m
Tue 12/19:25 pm -
1 stop11h 20m
Deal found 11/4![Southwest logo]()
$559
This Frontier deal was found by Cheapflights users on 11/3. 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 11/244:40 pm -
2 stops16h 40m
Sun 11/294:13 pm -
2 stops20h 32m
Deal found 11/3![Frontier logo]()
$1,030
This Southwest deal was found by Cheapflights users on 11/4. 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.
Mon 11/235:35 am -
2 stops11h 15m
Tue 12/17:15 am -
2 stops11h 30m
Deal found 11/4![Southwest logo]()
$560
This Southwest deal was found by Cheapflights users on 11/4. 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 11/2212:25 pm -
2 stops13h 20m
Tue 12/17:15 am -
2 stops11h 30m
Deal found 11/4![Southwest logo]()
$560
This Frontier deal was found by Cheapflights users on 11/4. 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 3/511:59 am -
2 stops15h 06m
Sun 3/146:27 pm -
2 stops13h 37m
Deal found 11/4![Frontier logo]()
$1,155
This KAYAK deal was found by Cheapflights users on 11/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:13 pm -
2 stops24h 05m
Sun 11/297:45 am -
3 stops27h 37m
Deal found 11/1![Breeze Airways logo]()
$1,562
This Southwest deal was found by Cheapflights users on 11/4. 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 1/247:00 am -
1 stop14h 50m
Fri 1/298:20 am -
2 stops10h 10m
Deal found 11/4![Southwest logo]()
$572
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 12/195:05 pm -
2 stops10h 30m
Sat 12/262:55 pm -
2 stops14h 50m
Deal found 11/3![Southwest logo]()
$573
This Southwest deal was found by Cheapflights users on 11/3. 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 11/265:45 am -
1 stop8h 40m
Tue 12/17:00 am -
2 stops11h 45m
Deal found 11/3![Southwest logo]()
$609
This Southwest deal was found by Cheapflights users on 11/4. 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.
Mon 11/236:00 am -
1 stop11h 30m
Tue 12/111:30 am -
1 stop7h 15m
Deal found 11/4![Southwest logo]()
$623
Last-minute flights from Islip to CaliforniaDiscover last-minute flight deals from Islip to California. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to California. Data last updated November 5, 2026 and is based on user searches.
This JetBlue deal was found by Cheapflights users on 11/4. 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.
Thu 11/126:00 am -
1 stop11h 47m
Sun 11/158:30 am -
1 stop10h 07m
Deal found 11/4![JetBlue logo]()
$514
This JetBlue deal was found by Cheapflights users on 11/3. 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.
Wed 11/186:00 am -
1 stop11h 47m
Sun 11/229:00 pm -
1 stop8h 50m
Deal found 11/3![JetBlue logo]()
$442
This JetBlue deal was found by Cheapflights users on 11/2. 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.
Thu 11/196:00 am -
1 stop10h 31m
Thu 11/268:30 am -
1 stop11h 10m
Deal found 11/2![JetBlue logo]()
$392
This JetBlue deal was found by Cheapflights users on 11/2. 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 11/206:00 am -
1 stop10h 55m
Thu 11/268:30 am -
1 stop11h 10m
Deal found 11/2![JetBlue logo]()
$447
This Southwest deal was found by Cheapflights users on 11/3. 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 12/14:05 pm -
1 stop7h 55m
Tue 12/811:40 am -
1 stop7h 05m
Deal found 11/3![Southwest logo]()
$483
This Southwest deal was found by Cheapflights users on 11/4. 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.
Wed 12/212:30 pm -
2 stops11h 55m
Wed 12/97:00 am -
2 stops11h 45m
Deal found 11/4![Southwest logo]()
$502
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/49:39 am -
1 stop29h 27m
Sat 12/126:00 am -
2 stops25h 17m
Deal found 11/3![Multiple Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 11/3. 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 12/44:05 pm -
1 stop8h 10m
Sat 12/126:55 am -
1 stop11h 50m
Deal found 11/3![Southwest logo]()
$522
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/512:45 pm -
2 stops11h 30m
Mon 12/79:25 pm -
1 stop11h 20m
Deal found 11/4![Southwest logo]()
$396
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sat 12/512:45 pm -
1 stop10h 35m
Fri 12/116:30 am -
1 stop7h 35m
Deal found 11/2![Southwest logo]()
$447
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/512:45 pm -
1 stop10h 35m
Sat 12/127:15 am -
2 stops11h 30m
Deal found 11/4![Southwest logo]()
$457
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/126:00 am -
1 stop10h 30m
Thu 12/1710:15 am -
1 stop10h 20m
Deal found 11/4![Southwest logo]()
$397
One-way flights from Islip to CaliforniaSearch for one-way flight options from Islip to California. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
Search for one-way flight options from Islip to California. Find affordable one-way fares based on user searches. Data last updated November 5, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/309:40 am -
3 stops50h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$185
This Southwest deal was found by Cheapflights users on 11/4. 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.
Sat 12/123:30 pm -
1 stop7h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Southwest logo]()
$189
This Southwest deal was found by Cheapflights users on 11/3. 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.
Sat 1/233:50 pm -
1 stop8h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Southwest logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 11/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/239:40 am -
3 stops17h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$194
This Southwest deal was found by Cheapflights users on 11/2. 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.
Sat 1/308:45 am -
2 stops11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Southwest logo]()
$198
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/13:02 pm -
3 stops48h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$199
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/293:02 pm -
3 stops28h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 10/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:05 am -
1 stop10h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Southwest logo]()
$204
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/2810:57 am -
3 stops50h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$208
This JetBlue deal was found by Cheapflights users on 11/3. 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 2/235:55 am -
1 stop10h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![JetBlue logo]()
$211
This Kiwi.com deal was found by Cheapflights users on 11/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/279:40 am -
3 stops26h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$214
This Kiwi.com deal was found by Cheapflights users on 10/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/81:38 pm -
3 stops26h 49m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/31![Multiple Airlines logo]()
$217
Find flight deals from Islip to California
Keep the following information in mind while searching for Islip to California flight deals. Data was last updated November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $392 (JetBlue) |
One-way from | $185 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $455 |
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 7,457,451 searches. Data last updated November 5, 2026.
Use the filters below to find and compare flights from Islip to California that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
IslipSan Diego
ISP Islip Long Island - SAN San Diego
ISPSAN
Islip Long Island
Tue 12/15
6:05 am-10:50 am
1 stop7h 45m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$189
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles
ISPLAX
Islip Long Island
Sat 1/23
3:50 pm-9:45 pm
1 stop8h 55m
Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$193
IslipSan Diego
ISP Islip Long Island - SAN San Diego
ISPSAN
Islip Long Island
Sat 1/23
5:25 am-12:50 pm
2 stops10h 25m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
IslipSan Diego
ISP Islip Long Island - SAN San Diego
ISPSAN
Islip Long Island
Mon 12/14
6:05 am-1:30 pm
2 stops10h 25m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$194
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles
ISPLAX
Islip Long Island
Tue 3/2
5:55 am-1:23 pm
1 stop10h 28m
Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$225
IslipSan Diego
ISP Islip Long Island - SAN San Diego
ISPSAN
Islip Long Island
Sun 1/24
5:45 am-11:10 am
1 stop8h 25m
San Diego
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$227
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles
ISPLAX
Islip Long Island
Tue 2/23
5:55 am-1:23 pm
1 stop10h 28m
Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$231
IslipSacramento
ISP Islip Long Island - SMF Sacramento Intl
ISPSMF
Islip Long Island
Wed 1/6
5:45 am-2:20 pm
2 stops11h 35m
Sacramento Intl
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$232
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles
ISPLAX
Islip Long Island
Mon 4/26
6:00 am-1:31 pm
1 stop10h 31m
Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$265
IslipLos Angeles
ISP Islip Long Island - LAX Los Angeles
ISPLAX
Islip Long Island
Wed 3/17
5:55 am-1:23 pm
1 stop10h 28m
Los Angeles
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$265
Showing 1-10 of 60 resultsSorted by cheapest first
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.
ISP-SAN
ISP-LAX
ISP-ONT
ISP-SNA
ISP-SMF
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
ISP-USCA
ISP-SAN
ISP-LAX
ISP-ONT
ISP-SNA
No data available for this route at this time. Please check back soon.
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 November 5, 2026.
Read through reviews of airlines operating flights from Islip to California, such as Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
Food
7.0
Crew
8.6
Entertainment
7.5
Overall
8.0
Boarding
8.1
Comfort
8.0
Reviews
1 / 20
10.0
ExcellentWalter,May 2026
LAS - BUR
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.
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Alternative routes for Islip to California
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Complete your trip
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Islip and California flights
Browse other Islip and California flight options. Last updated on November 5, 2026.
Popular flight searches
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Islip to California flights
Consider these flights traveling from Islip to California.
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 7,457,451 searches. Data last updated November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$310 | Average$500 | FlexibilityNo cancel fee | On-time63% |