$166+ 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
Dec 9 — Dec 161
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from California to Islip
Cheapest
Best
Last-minute
One-way
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 November 9, 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 November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/8. 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 12/58:50 am -
2 stops9h 55m
Sat 12/123:30 pm -
1 stop8h 10m
Deal found 11/8![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 11/5. 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 12/1411:30 am -
1 stop7h 15m
Thu 12/175:40 pm -
1 stop10h 20m
Deal found 11/5![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 11/8. 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 12/1511:40 am -
1 stop7h 05m
Fri 12/184:55 pm -
2 stops11h 35m
Deal found 11/8![Southwest logo]()
$437
This CheapOair deal was found by Cheapflights users on 11/5. 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 12/179:59 pm -
1 stop9h 32m
Mon 12/2111:26 am -
1 stop12h 36m
Deal found 11/5![Frontier logo]()
$440
This Southwest deal was found by Cheapflights users on 11/5. 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 12/166:15 am -
1 stop7h 00m
Mon 1/45:40 pm -
1 stop10h 20m
Deal found 11/5![Southwest logo]()
$456
This Southwest deal was found by Cheapflights users on 11/8. 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 12/169:20 am -
1 stop8h 50m
Sat 12/191:35 pm -
1 stop10h 45m
Deal found 11/8![Southwest logo]()
$467
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 12/28:50 am -
2 stops9h 55m
Sat 12/126:00 am -
2 stops11h 10m
Deal found 11/4![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 11/6. 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 12/39:25 pm -
1 stop11h 20m
Sun 12/612:25 pm -
2 stops13h 55m
Deal found 11/6![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 11/7. 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 12/1810:10 am -
2 stops10h 40m
Sun 12/2012:10 pm -
2 stops11h 55m
Deal found 11/7![Southwest logo]()
$598
This Southwest deal was found by Cheapflights users on 11/7. 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 12/197:15 pm -
2 stops13h 15m
Mon 12/215:40 am -
2 stops12h 10m
Deal found 11/7![Southwest logo]()
$625
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 11/2311:00 am -
2 stops9h 35m
Wed 12/212:30 pm -
2 stops11h 00m
Deal found 11/4![Southwest logo]()
$633
This Southwest deal was found by Cheapflights users on 11/7. 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 11/2211:35 am -
2 stops9h 00m
Thu 11/265:45 am -
2 stops12h 50m
Deal found 11/7![Southwest logo]()
$684
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 November 9, 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 November 9, 2026.
This Southwest deal was found by Cheapflights users on 11/8. 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 12/59:55 pm -
1 stop10h 50m
Sat 12/1212:45 pm -
1 stop10h 55m
Deal found 11/8![Southwest logo]()
$412
This Booking.com deal was found by Cheapflights users on 11/6. 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 12/312:46 pm -
2 stops17h 13m
Sun 12/67:45 pm -
3 stops18h 24m
Deal found 11/6![Breeze Airways logo]()
$764
This Southwest deal was found by Cheapflights users on 11/5. 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 12/1411:30 am -
1 stop7h 15m
Thu 12/175:40 pm -
1 stop10h 20m
Deal found 11/5![Southwest logo]()
$419
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.
Tue 12/222:45 pm -
2 stops16h 46m
Fri 1/111:26 am -
2 stops15h 32m
Deal found 11/4![Frontier logo]()
$872
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/89:15 pm -
1 stop11h 35m
Wed 2/105:45 am -
1 stop11h 15m
Deal found 11/9![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 11/8. 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 12/1511:40 am -
1 stop7h 05m
Fri 12/184:55 pm -
2 stops11h 35m
Deal found 11/8![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 11/8. 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 12/169:20 am -
1 stop8h 50m
Sat 12/195:05 pm -
2 stops9h 50m
Deal found 11/8![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 11/5. 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 12/166:15 am -
1 stop7h 00m
Mon 1/45:40 pm -
2 stops9h 15m
Deal found 11/5![Southwest logo]()
$461
This Southwest deal was found by Cheapflights users on 11/6. 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 12/37:15 am -
2 stops11h 30m
Sun 12/612:25 pm -
2 stops13h 55m
Deal found 11/6![Southwest logo]()
$482
This KAYAK deal was found by Cheapflights users on 11/7. 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 11/2612:46 pm -
2 stops17h 13m
Thu 12/37:45 pm -
3 stops18h 24m
Deal found 11/7![Breeze Airways logo]()
$854
This Southwest deal was found by Cheapflights users on 11/8. 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 12/126:55 am -
1 stop11h 50m
Mon 1/45:40 pm -
1 stop10h 20m
Deal found 11/8![Southwest logo]()
$498
This Frontier deal was found by Cheapflights users on 11/8. 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 2/186:30 pm -
2 stops13h 34m
Mon 2/2211:59 am -
2 stops23h 50m
Deal found 11/8![Frontier logo]()
$894
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1111:54 am -
2 stops43h 23m
Mon 12/219:39 am -
2 stops29h 22m
Deal found 11/4![Breeze Airways logo]()
$958
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 12/2310:15 pm -
1 stop14h 15m
Sat 1/25:05 pm -
2 stops9h 50m
Deal found 11/4![Southwest logo]()
$570
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:37 pm -
1 stop22h 45m
Mon 11/233:02 pm -
1 stop24h 35m
Deal found 11/4![Breeze Airways logo]()
$968
This Southwest deal was found by Cheapflights users on 11/6. 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 3/121:30 pm -
1 stop7h 20m
Mon 3/225:20 pm -
1 stop10h 10m
Deal found 11/6![Southwest logo]()
$587
This KAYAK deal was found by Cheapflights users on 11/5. 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 12/247:30 am -
3 stops27h 52m
Sun 1/37:45 pm -
2 stops23h 30m
Deal found 11/5![Breeze Airways logo]()
$978
This Mytrip deal was found by Cheapflights users on 11/6. 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.
Mon 11/232:12 pm -
2 stops22h 33m
Sat 11/284:43 pm -
2 stops28h 16m
Deal found 11/6![Frontier logo]()
$1,244
This Southwest deal was found by Cheapflights users on 11/7. 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 12/1810:10 am -
2 stops10h 40m
Sun 12/2012:10 pm -
2 stops11h 55m
Deal found 11/7![Southwest logo]()
$598
This KAYAK deal was found by Cheapflights users on 11/5. 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 12/107:57 pm -
3 stops21h 56m
Sun 12/137:45 pm -
2 stops23h 30m
Deal found 11/5![Breeze Airways logo]()
$1,043
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 11/2311:00 am -
2 stops9h 35m
Wed 12/212:30 pm -
2 stops11h 00m
Deal found 11/4![Southwest logo]()
$633
This KAYAK deal was found by Cheapflights users on 11/5. 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 11/1912:37 pm -
1 stop22h 45m
Tue 12/11:38 pm -
3 stops49h 14m
Deal found 11/5![Breeze Airways logo]()
$1,093
This Southwest deal was found by Cheapflights users on 11/7. 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 11/2211:35 am -
2 stops9h 00m
Thu 11/265:45 am -
2 stops12h 50m
Deal found 11/7![Southwest logo]()
$684
This Southwest deal was found by Cheapflights users on 11/5. 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 11/2310:50 am -
2 stops9h 45m
Tue 12/16:05 am -
2 stops10h 05m
Deal found 11/5![Southwest logo]()
$702
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1912:37 pm -
1 stop22h 45m
Mon 11/303:02 pm -
1 stop24h 35m
Deal found 11/4![Breeze Airways logo]()
$1,258
This Southwest deal was found by Cheapflights users on 11/6. 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 11/217:45 am -
2 stops13h 00m
Wed 11/2512:10 pm -
2 stops11h 20m
Deal found 11/6![Southwest logo]()
$708
This Southwest deal was found by Cheapflights users on 11/7. 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 1/17:45 am -
2 stops11h 00m
Sun 1/312:10 pm -
2 stops12h 45m
Deal found 11/7![Southwest logo]()
$723
This Southwest deal was found by Cheapflights users on 11/6. 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 11/2110:50 am -
2 stops9h 55m
Wed 11/2512:10 pm -
2 stops11h 05m
Deal found 11/6![Southwest logo]()
$729
This KAYAK deal was found by Cheapflights users on 11/8. 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 12/172:44 pm -
3 stops27h 09m
Tue 12/2911:38 am -
3 stops48h 26m
Deal found 11/8![Breeze Airways logo]()
$1,718
This Southwest deal was found by Cheapflights users on 11/7. 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 1/27:20 am -
2 stops13h 25m
Mon 1/412:25 pm -
2 stops12h 25m
Deal found 11/7![Southwest logo]()
$753
Last-minute flights from California to IslipDiscover last-minute flight deals from California to Islip. Data last updated November 9, 2026 and is based on user searches.
Discover last-minute flight deals from California to Islip. Data last updated November 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 11/7. 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 11/2211:35 am -
2 stops9h 00m
Thu 11/265:45 am -
2 stops12h 50m
Deal found 11/7![Southwest logo]()
$684
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 11/2311:00 am -
2 stops9h 35m
Wed 12/212:30 pm -
2 stops11h 00m
Deal found 11/4![Southwest logo]()
$633
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 12/28:50 am -
2 stops9h 55m
Sat 12/126:00 am -
2 stops11h 10m
Deal found 11/4![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 11/6. 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 12/39:25 pm -
1 stop11h 20m
Sun 12/612:25 pm -
2 stops13h 55m
Deal found 11/6![Southwest logo]()
$482
This Southwest deal was found by Cheapflights users on 11/8. 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 12/58:50 am -
2 stops9h 55m
Sat 12/123:30 pm -
1 stop8h 10m
Deal found 11/8![Southwest logo]()
$412
This Southwest deal was found by Cheapflights users on 11/5. 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 12/1411:30 am -
1 stop7h 15m
Thu 12/175:40 pm -
1 stop10h 20m
Deal found 11/5![Southwest logo]()
$419
This Southwest deal was found by Cheapflights users on 11/8. 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 12/1511:40 am -
1 stop7h 05m
Fri 12/184:55 pm -
2 stops11h 35m
Deal found 11/8![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 11/5. 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 12/166:15 am -
1 stop7h 00m
Mon 1/45:40 pm -
1 stop10h 20m
Deal found 11/5![Southwest logo]()
$456
This Southwest deal was found by Cheapflights users on 11/8. 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 12/169:20 am -
1 stop8h 50m
Sat 12/191:35 pm -
1 stop10h 45m
Deal found 11/8![Southwest logo]()
$467
This CheapOair deal was found by Cheapflights users on 11/5. 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 12/179:59 pm -
1 stop9h 32m
Mon 12/2111:26 am -
1 stop12h 36m
Deal found 11/5![Frontier logo]()
$440
This Southwest deal was found by Cheapflights users on 11/7. 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 12/1810:10 am -
2 stops10h 40m
Sun 12/2012:10 pm -
2 stops11h 55m
Deal found 11/7![Southwest logo]()
$598
This Southwest deal was found by Cheapflights users on 11/7. 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 12/197:15 pm -
2 stops13h 15m
Mon 12/215:40 am -
2 stops12h 10m
Deal found 11/7![Southwest logo]()
$625
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 November 9, 2026.
Search for one-way flight options from California to Islip. Find affordable one-way fares based on user searches. Data last updated November 9, 2026.
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.
Sat 12/511:03 am -
1 stop8h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![JetBlue logo]()
$166
This JetBlue deal was found by Cheapflights users on 11/5. 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 11/268:30 am -
1 stop11h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![JetBlue logo]()
$173
This JetBlue deal was found by Cheapflights users on 11/5. 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 12/810:35 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![JetBlue logo]()
$174
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.
Fri 12/410:35 am -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![JetBlue logo]()
$179
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 12/210:35 am -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![JetBlue logo]()
$180
This Southwest deal was found by Cheapflights users on 11/5. 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 12/411:30 am -
1 stop7h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$193
This JetBlue deal was found by Cheapflights users on 11/8. 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 12/2010:35 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![JetBlue logo]()
$195
This JetBlue deal was found by Cheapflights users on 11/8. 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 12/1510:35 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![JetBlue logo]()
$198
This CheapOair deal was found by Cheapflights users on 11/5. 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 12/249:59 pm -
1 stop9h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$202
This JetBlue deal was found by Cheapflights users on 11/5. 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 12/1010:35 am -
1 stop8h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![JetBlue logo]()
$204
This CheapOair deal was found by Cheapflights users on 11/5. 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 12/179:59 pm -
1 stop9h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Frontier logo]()
$210
This Southwest deal was found by Cheapflights users on 11/6. 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 1/410:40 pm -
2 stops10h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Southwest logo]()
$224
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 November 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $412 (Southwest) |
One-way from | $166 (JetBlue) |
Popular in | September |
Cheapest in | January |
Average price | $474 |
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 November 9, 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
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Sat 12/5
11:03 am-10:40 pm
1 stop8h 37m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$166
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Wed 12/9
10:35 am-10:04 pm
1 stop8h 29m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$174
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Tue 12/8
10:35 am-10:04 pm
1 stop8h 29m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$174
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Mon 12/7
10:35 am-10:04 pm
1 stop8h 29m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$174
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Fri 12/4
10:35 am-10:40 pm
1 stop9h 05m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$174
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Wed 12/16
10:34 am-10:04 pm
1 stop8h 30m
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
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
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
$179
Los AngelesIslip
LAX Los Angeles - ISP Islip Long Island
LAXISP
Los Angeles
Sat 2/20
6:35 am-7:15 pm
1 stop9h 40m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$193
San DiegoIslip
SAN San Diego - ISP Islip Long Island
SANISP
San Diego
Sun 12/20
10:35 am-10:04 pm
1 stop8h 29m
Islip Long Island
Wed 12/31
12:00 am-9:00 pm
Nonstop0h 00m
$195
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
SNA-ISP
SFO-ISP
BUR-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
SNA-ISP
SFO-ISP
How much does it cost to fly round-trip from California to Islip, New York?
Airfare is below average for this route at the moment.
California to Islip, New York flights typically cost between $607 and $687 in December.The cheapest round-trip price found within the last 5 days was $412 on Southwest (Dec 5-Dec 12).
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
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Islip flight routes
Other flight options
Popular flights
Top destinations
Alternative routes for California to Islip
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Islip by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from California to Islip by cabin class
Find flights from California to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Islip
Explore flights to Islip departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on November 9, 2026.
California and Islip flights
Browse other California and Islip flight options. Last updated on November 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
California to Islip flights
Consider these flights traveling from California to Islip.
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 November 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$368 | Average$586 | FlexibilityNo cancel fee | On-time63% |