$179+ Cheap flights from California to Islip, NY (ISP)
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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ISP
Oct 24 — Oct 311
Round-trip
1 adult, Economy
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Find cheap flights from California to Islip 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 California to IslipExplore 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 September 24, 2026.
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 September 24, 2026.
This Southwest deal was found by Cheapflights users on 9/21. 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 10/205:45 am -
1 stop7h 00m
Tue 11/34:05 pm -
1 stop8h 05m
Deal found 9/21![Southwest logo]()
$385
This Southwest deal was found by Cheapflights users on 9/21. 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 10/1910:40 pm -
2 stops10h 30m
Mon 10/265:40 pm -
1 stop9h 35m
Deal found 9/21![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 9/23. 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 10/2611:40 pm -
2 stops13h 05m
Fri 10/303:10 pm -
2 stops11h 05m
Deal found 9/23![Southwest logo]()
$407
This Southwest deal was found by Cheapflights users on 9/22. 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 12/305:05 am -
1 stop8h 15m
Tue 1/56:05 am -
1 stop8h 05m
Deal found 9/22![Southwest logo]()
$411
This Southwest deal was found by Cheapflights users on 9/22. 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 11/177:30 am -
2 stops11h 15m
Tue 12/812:30 pm -
2 stops11h 15m
Deal found 9/22![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 9/20. 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 11/410:00 pm -
1 stop10h 45m
Mon 11/95:40 pm -
1 stop10h 00m
Deal found 9/20![Southwest logo]()
$424
This Southwest deal was found by Cheapflights users on 9/22. 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 12/1710:10 am -
2 stops10h 20m
Wed 1/65:45 am -
2 stops12h 15m
Deal found 9/22![Southwest logo]()
$429
This Southwest deal was found by Cheapflights users on 9/20. 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 11/1311:35 am -
2 stops9h 00m
Mon 11/166:05 am -
2 stops10h 55m
Deal found 9/20![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 9/22. 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 12/2911:10 pm -
2 stops9h 20m
Wed 1/65:45 am -
1 stop8h 50m
Deal found 9/22![Southwest logo]()
$446
This Southwest deal was found by Cheapflights users on 9/22. 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 12/2911:10 pm -
2 stops9h 20m
Tue 1/56:05 am -
2 stops10h 20m
Deal found 9/22![Southwest logo]()
$451
This Frontier deal was found by Cheapflights users on 9/21. 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 10/237:13 pm -
2 stops19h 17m
Mon 10/266:55 pm -
2 stops19h 22m
Deal found 9/21![Frontier logo]()
$513
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/61:22 pm -
1 stop18h 58m
Sat 10/106:25 pm -
2 stops41h 24m
Deal found 9/21![Multiple Airlines logo]()
$543
Best flights from California to IslipDiscover carefully curated flight deals from California to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
Discover carefully curated flight deals from California to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 24, 2026.
This Southwest deal was found by Cheapflights users on 9/21. 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 10/199:50 pm -
1 stop11h 20m
Mon 10/265:40 pm -
1 stop9h 35m
Deal found 9/21![Southwest logo]()
$390
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/61:22 pm -
1 stop18h 58m
Sat 10/106:25 pm -
2 stops41h 24m
Deal found 9/21![Multiple Airlines logo]()
$543
This Frontier deal was found by Cheapflights users on 9/20. 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 10/167:13 pm -
2 stops19h 17m
Mon 10/196:55 pm -
2 stops19h 10m
Deal found 9/20![Frontier logo]()
$604
This KAYAK deal was found by Cheapflights users on 9/20. 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.
Thu 10/2912:37 pm -
1 stop22h 45m
Wed 11/412:00 pm -
1 stop26h 52m
Deal found 9/20![Breeze Airways logo]()
$688
This Southwest deal was found by Cheapflights users on 9/23. 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 10/2611:40 pm -
2 stops13h 05m
Fri 10/303:10 pm -
2 stops11h 05m
Deal found 9/23![Southwest logo]()
$407
This JetBlue deal was found by Cheapflights users on 9/19. 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 11/1010:00 am -
1 stop8h 37m
Wed 11/116:00 am -
1 stop9h 32m
Deal found 9/19![JetBlue logo]()
$819
This Southwest deal was found by Cheapflights users on 9/22. 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 11/177:30 am -
2 stops11h 15m
Tue 12/812:30 pm -
2 stops11h 15m
Deal found 9/22![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 9/20. 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 11/1311:35 am -
2 stops9h 00m
Mon 11/166:05 am -
2 stops10h 55m
Deal found 9/20![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 9/19. 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 10/209:30 am -
2 stops10h 10m
Thu 10/223:10 pm -
2 stops10h 35m
Deal found 9/19![Southwest logo]()
$451
This Frontier deal was found by Cheapflights users on 9/24. 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 1/712:11 pm -
2 stops19h 53m
Mon 1/1111:59 am -
2 stops22h 52m
Deal found 9/24![Frontier logo]()
$657
This Southwest deal was found by Cheapflights users on 9/22. 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 12/3011:10 pm -
2 stops9h 35m
Tue 1/56:05 am -
2 stops12h 05m
Deal found 9/22![Southwest logo]()
$487
This KAYAK deal was found by Cheapflights users on 9/19. 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 11/412:36 pm -
3 stops27h 29m
Sun 11/87:45 pm -
3 stops18h 24m
Deal found 9/19![Breeze Airways logo]()
$720
This Frontier deal was found by Cheapflights users on 9/23. 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 10/87:13 pm -
2 stops19h 47m
Mon 10/126:55 pm -
2 stops19h 10m
Deal found 9/23![Frontier logo]()
$668
This Frontier deal was found by Cheapflights users on 9/20. 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 2/113:30 pm -
2 stops16h 34m
Thu 2/1811:59 am -
2 stops23h 50m
Deal found 9/20![Frontier logo]()
$680
This Southwest deal was found by Cheapflights users on 9/22. 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 12/186:35 am -
1 stop6h 45m
Wed 12/304:55 pm -
2 stops11h 30m
Deal found 9/22![Southwest logo]()
$554
This Frontier deal was found by Cheapflights users on 9/23. 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 10/910:14 pm -
2 stops16h 16m
Mon 10/126:55 pm -
2 stops19h 10m
Deal found 9/23![Frontier logo]()
$720
This KAYAK deal was found by Cheapflights users on 9/24. 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 10/2812:51 pm -
2 stops27h 14m
Sun 11/110:57 am -
2 stops28h 18m
Deal found 9/24![Breeze Airways logo]()
$873
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Sat 10/319:59 am -
1 stop8h 38m
Tue 11/36:00 am -
1 stop9h 35m
Deal found 9/23![JetBlue logo]()
$974
This Frontier deal was found by Cheapflights users on 9/23. 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 10/710:05 pm -
2 stops16h 25m
Mon 10/126:55 pm -
2 stops19h 10m
Deal found 9/23![Frontier logo]()
$729
This Southwest deal was found by Cheapflights users on 9/21. 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 10/65:45 am -
1 stop7h 00m
Sat 10/103:50 pm -
1 stop9h 10m
Deal found 9/21![Southwest logo]()
$617
This JetBlue deal was found by Cheapflights users on 9/23. 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 11/117:00 am -
1 stop11h 37m
Sun 11/156:00 am -
1 stop9h 32m
Deal found 9/23![JetBlue logo]()
$1,009
This KAYAK deal was found by Cheapflights users on 9/21. 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.
Thu 10/293:06 pm -
2 stops41h 14m
Mon 11/23:02 pm -
3 stops27h 01m
Deal found 9/21![Breeze Airways logo]()
$968
This JetBlue deal was found by Cheapflights users on 9/19. 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 11/67:00 am -
1 stop11h 37m
Wed 11/116:00 am -
1 stop9h 32m
Deal found 9/19![JetBlue logo]()
$1,009
This Southwest deal was found by Cheapflights users on 9/21. 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 10/68:15 am -
2 stops8h 45m
Sat 10/1012:20 pm -
2 stops11h 55m
Deal found 9/21![Southwest logo]()
$627
This Booking.com deal was found by Cheapflights users on 9/23. 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 10/811:52 am -
2 stops27h 08m
Sun 10/116:25 pm -
2 stops19h 32m
Deal found 9/23![Frontier logo]()
$803
This KAYAK deal was found by Cheapflights users on 9/21. 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.
Thu 11/57:30 am -
3 stops27h 52m
Sun 11/87:45 pm -
2 stops23h 30m
Deal found 9/21![Breeze Airways logo]()
$972
This Southwest deal was found by Cheapflights users on 9/20. 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 10/69:35 am -
2 stops10h 05m
Sat 10/1012:20 pm -
2 stops11h 40m
Deal found 9/20![Southwest logo]()
$627
This KAYAK deal was found by Cheapflights users on 9/21. 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.
Thu 10/297:30 am -
3 stops27h 52m
Sun 11/110:57 am -
3 stops55h 06m
Deal found 9/21![Breeze Airways logo]()
$1,013
This Southwest deal was found by Cheapflights users on 9/22. 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 12/186:35 am -
1 stop6h 45m
Tue 12/294:55 pm -
2 stops11h 30m
Deal found 9/22![Southwest logo]()
$637
This Southwest deal was found by Cheapflights users on 9/21. 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 10/67:55 am -
2 stops9h 05m
Thu 10/83:10 pm -
2 stops10h 05m
Deal found 9/21![Southwest logo]()
$654
Last-minute flights from California to IslipDiscover last-minute flight deals from California to Islip. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from California to Islip. Data last updated September 24, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/61:22 pm -
1 stop18h 58m
Sat 10/106:25 pm -
2 stops41h 24m
Deal found 9/21![Multiple Airlines logo]()
$543
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/61:22 pm -
1 stop18h 58m
Sat 10/1012:00 pm -
1 stop26h 52m
Deal found 9/21![Breeze Airways logo]()
$595
This Southwest deal was found by Cheapflights users on 9/22. 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 10/155:00 am -
1 stop9h 00m
Mon 10/195:40 pm -
2 stops9h 35m
Deal found 9/22![Southwest logo]()
$482
This Mytrip deal was found by Cheapflights users on 9/22. 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 10/154:33 pm -
3 stops22h 27m
Mon 10/196:55 pm -
3 stops32h 34m
Deal found 9/22![Multiple Airlines logo]()
$564
This FlightHub deal was found by Cheapflights users on 9/22. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
1 stop11h 37m
Mon 10/196:00 am -
1 stop29h 17m
Deal found 9/22![JetBlue logo]()
$569
This Frontier deal was found by Cheapflights users on 9/23. 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 10/167:13 pm -
2 stops19h 17m
Mon 10/196:55 pm -
2 stops19h 10m
Deal found 9/23![Frontier logo]()
$576
This Southwest deal was found by Cheapflights users on 9/21. 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 10/1910:40 pm -
2 stops10h 30m
Mon 10/265:40 pm -
1 stop9h 35m
Deal found 9/21![Southwest logo]()
$390
This Southwest deal was found by Cheapflights users on 9/21. 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 10/205:45 am -
1 stop7h 00m
Tue 11/34:05 pm -
1 stop8h 05m
Deal found 9/21![Southwest logo]()
$385
This KAYAK deal was found by Cheapflights users on 9/20. 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.
Tue 10/207:00 am -
1 stop11h 37m
Tue 10/276:00 am -
1 stop9h 35m
Deal found 9/20![JetBlue logo]()
$585
This Frontier deal was found by Cheapflights users on 9/22. 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 10/227:13 pm -
2 stops19h 47m
Mon 10/266:55 pm -
2 stops19h 22m
Deal found 9/22![Frontier logo]()
$573
This Frontier deal was found by Cheapflights users on 9/21. 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 10/237:13 pm -
2 stops19h 17m
Mon 10/266:55 pm -
2 stops19h 22m
Deal found 9/21![Frontier logo]()
$513
This Southwest deal was found by Cheapflights users on 9/23. 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 10/2611:40 pm -
2 stops13h 05m
Fri 10/303:10 pm -
2 stops11h 05m
Deal found 9/23![Southwest logo]()
$407
One-way flights from California to IslipSearch for one-way flight options from California to Islip. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
Search for one-way flight options from California to Islip. Find affordable one-way fares based on user searches. Data last updated September 24, 2026.
This JetBlue deal was found by Cheapflights users on 9/23. 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.
Sat 12/510:35 am -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![JetBlue logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 11/186:15 am -
2 stops25h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$184
This Frontier deal was found by Cheapflights users on 9/19. 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 11/2610:04 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$185
This JetBlue deal was found by Cheapflights users on 9/22. 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 12/210:35 am -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![JetBlue logo]()
$190
This Southwest deal was found by Cheapflights users on 9/22. 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 11/186:15 am -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$193
This Southwest deal was found by Cheapflights users on 9/22. 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 10/2610:20 pm -
1 stop11h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$198
This JetBlue deal was found by Cheapflights users on 9/20. 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 12/1110:35 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![JetBlue logo]()
$198
This Southwest deal was found by Cheapflights users on 9/21. 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 10/245:05 am -
1 stop8h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Southwest logo]()
$205
This Southwest deal was found by Cheapflights users on 9/22. 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 10/239:50 pm -
1 stop11h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$210
This Southwest deal was found by Cheapflights users on 9/22. 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 12/167:45 am -
2 stops10h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Southwest logo]()
$210
This Kiwi.com deal was found by Cheapflights users on 9/21. 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 10/2312:14 am -
2 stops14h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Frontier logo]()
$213
This Frontier deal was found by Cheapflights users on 9/19. 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 11/2410:04 pm -
1 stop14h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Frontier logo]()
$215
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $385 (Southwest) |
One-way from | $163 (JetBlue) |
Popular in | July |
Cheapest in | January |
Average price | $476 |
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 7,457,451 searches. Data last updated September 24, 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
Cheapest round-trip
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Sat 12/5
10:35 am-10:40 pm
1 stop9h 05m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$179
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Wed 12/2
10:35 am-10:40 pm
1 stop9h 05m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$189
Quickest round-trip
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Fri 12/11
10:35 am-10:04 pm
1 stop8h 29m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$199
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Thu 11/26
5:15 am-4:50 pm
1 stop8h 35m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$205
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Fri 10/23
11:05 pm-11:55 am
2 stops9h 50m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$210
Santa AnaIslip
SNA Santa Ana J. Wayne/Orange Cnty - ISP Islip Long Island
SNAISP
Santa Ana J. Wayne/Orange Cnty
Wed 12/16
7:45 am-9:40 pm
2 stops10h 55m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$210
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Tue 11/24
10:04 pm-3:45 pm
1 stop14h 41m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$215
San FranciscoIslip
SFO San Francisco - ISP Islip Long Island
SFOISP
San Francisco
Sun 10/25
9:35 pm-11:45 am
1 stop11h 10m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$254
Palm SpringsIslip
PSP Palm Springs - ISP Islip Long Island
PSPISP
Palm Springs
Sun 11/1
10:30 am-11:30 pm
2 stops10h 00m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$254
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Fri 11/27
5:05 am-10:50 pm
2 stops14h 45m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$260
Showing 1-10 of 60 resultsSorted by cheapest first
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.
LAX-ISP
SAN-ISP
SFO-ISP
SNA-ISP
PSP-ISP
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
USCA-ISP
LAX-ISP
SAN-ISP
SFO-ISP
SNA-ISP
No data available for this route at this time. Please check back soon.
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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
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California and Islip flights
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Popular flight searches
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California to Islip flights
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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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$586 | FlexibilityNo cancel fee | On-time63% |