$119+ Cheap flights from Jacksonville to Islip, NY (JAX - ISP)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/30. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ISP
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Cheapest flights from Jacksonville to IslipExplore the most affordable flight options available from Jacksonville to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Jacksonville to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:54 pm
JAX
- ISP
1 stop5h 57m
Breeze Airways
Tue 10/1312:00 pm
ISP
- JAX
1 stop4h 26m
Breeze Airways
Deal found 8/1![Breeze Airways logo]()
$230
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:54 pm
JAX
- ISP
1 stop5h 57m
Multiple Airlines
Tue 10/134:13 pm
ISP
- JAX
2 stops49h 38m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$263
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 10/812:54 pm
JAX
- ISP
1 stop5h 57m
Multiple Airlines
Sun 10/114:13 pm
ISP
- JAX
2 stops25h 38m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 9/101:01 pm
JAX
- ISP
1 stop22h 11m
Multiple Airlines
Sun 9/135:43 pm
ISP
- JAX
2 stops25h 18m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$279
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:31 pm
JAX
- ISP
1 stop3h 38m
Multiple Airlines
Thu 9/310:57 am
ISP
- JAX
2 stops31h 13m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:01 pm
JAX
- ISP
1 stop22h 11m
Multiple Airlines
Mon 9/285:43 pm
ISP
- JAX
2 stops25h 18m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$294
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/79:37 am
JAX
- ISP
1 stop25h 39m
Multiple Airlines
Mon 9/145:43 pm
ISP
- JAX
2 stops25h 18m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:44 pm
JAX
- ISP
1 stop26h 25m
Multiple Airlines
Sat 9/510:57 am
ISP
- JAX
2 stops31h 13m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:50 pm
JAX
- ISP
1 stop6h 15m
Southwest
Thu 9/36:10 am
ISP
- JAX
1 stop7h 15m
Southwest
Deal found 7/30![Southwest logo]()
$325
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
JAX
- ISP
1 stop6h 30m
Southwest
Sat 9/53:15 pm
ISP
- JAX
1 stop4h 25m
Southwest
Deal found 7/30![Southwest logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 10/812:54 pm
JAX
- ISP
1 stop5h 57m
Breeze Airways
Sun 10/1110:57 am
ISP
- JAX
1 stop9h 31m
Breeze Airways
Deal found 8/3![Breeze Airways logo]()
$346
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm
JAX
- ISP
1 stop6h 20m
Southwest
Sat 9/125:30 am
ISP
- JAX
1 stop5h 05m
Southwest
Deal found 7/30![Southwest logo]()
$358
Best flights from Jacksonville to IslipDiscover carefully curated flight deals from Jacksonville to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Jacksonville to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:54 pm
JAX
- ISP
1 stop5h 57m
Multiple Airlines
Tue 10/134:13 pm
ISP
- JAX
2 stops49h 38m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$263
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:50 pm
JAX
- ISP
1 stop6h 15m
Southwest
Thu 9/36:10 am
ISP
- JAX
1 stop7h 15m
Southwest
Deal found 7/30![Southwest logo]()
$325
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
JAX
- ISP
1 stop6h 30m
Southwest
Sat 9/53:15 pm
ISP
- JAX
1 stop4h 25m
Southwest
Deal found 7/30![Southwest logo]()
$345
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm
JAX
- ISP
1 stop6h 20m
Southwest
Sat 9/125:30 am
ISP
- JAX
1 stop5h 05m
Southwest
Deal found 7/30![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 7/31. 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.
Sat 9/194:40 pm
JAX
- ISP
1 stop4h 10m
Southwest
Mon 9/216:10 am
ISP
- JAX
1 stop7h 15m
Southwest
Deal found 7/31![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 8/2. 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.
Mon 9/77:50 am
JAX
- ISP
1 stop4h 45m
Southwest
Mon 9/146:10 am
ISP
- JAX
1 stop4h 15m
Southwest
Deal found 8/2![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 8/3. 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 9/245:45 pm
JAX
- ISP
1 stop4h 25m
Southwest
Mon 9/284:05 pm
ISP
- JAX
1 stop4h 15m
Southwest
Deal found 8/3![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 8/1. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/811:35 am
JAX
- ISP
2 stops11h 35m
Southwest
Tue 10/1312:50 pm
ISP
- JAX
2 stops8h 25m
Southwest
Deal found 8/1![Southwest logo]()
$388
Last-minute flights from Jacksonville to IslipDiscover last-minute flight deals from Jacksonville to Islip. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Islip. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:31 pm
JAX
- ISP
1 stop3h 38m
Multiple Airlines
Thu 9/310:57 am
ISP
- JAX
2 stops31h 13m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$284
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:50 pm
JAX
- ISP
1 stop6h 15m
Southwest
Thu 9/36:10 am
ISP
- JAX
1 stop7h 15m
Southwest
Deal found 7/30![Southwest logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:44 pm
JAX
- ISP
1 stop26h 25m
Multiple Airlines
Sat 9/510:57 am
ISP
- JAX
2 stops31h 13m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$314
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/298:00 am
JAX
- ISP
1 stop6h 30m
Southwest
Sat 9/53:15 pm
ISP
- JAX
1 stop4h 25m
Southwest
Deal found 7/30![Southwest logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 9/79:37 am
JAX
- ISP
1 stop25h 39m
Multiple Airlines
Mon 9/145:43 pm
ISP
- JAX
2 stops25h 18m
Multiple Airlines
Deal found 8/2![Multiple Airlines logo]()
$304
This Southwest deal was found by Cheapflights users on 8/2. 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.
Mon 9/77:50 am
JAX
- ISP
1 stop4h 45m
Southwest
Mon 9/146:10 am
ISP
- JAX
1 stop4h 15m
Southwest
Deal found 8/2![Southwest logo]()
$365
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Thu 9/101:01 pm
JAX
- ISP
1 stop22h 11m
Multiple Airlines
Sun 9/135:43 pm
ISP
- JAX
2 stops25h 18m
Multiple Airlines
Deal found 8/3![Multiple Airlines logo]()
$279
This Southwest deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/113:50 pm
JAX
- ISP
1 stop6h 20m
Southwest
Sat 9/125:30 am
ISP
- JAX
1 stop5h 05m
Southwest
Deal found 7/30![Southwest logo]()
$358
This Southwest deal was found by Cheapflights users on 7/31. 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.
Sat 9/1912:25 pm
JAX
- ISP
2 stops8h 25m
Southwest
Mon 9/216:10 am
ISP
- JAX
1 stop7h 15m
Southwest
Deal found 7/31![Southwest logo]()
$370
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:01 pm
JAX
- ISP
1 stop22h 11m
Multiple Airlines
Mon 9/285:43 pm
ISP
- JAX
2 stops25h 18m
Multiple Airlines
Deal found 8/1![Multiple Airlines logo]()
$294
One-way flights from Jacksonville to IslipSearch for one-way flight options from Jacksonville to Islip. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Jacksonville to Islip. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Sun 8/307:05 pm
JAX
- ISP
2 stops38h 48m
Frontier
Deal found 8/3![Frontier logo]()
$119
This CheapOair deal was found by Cheapflights users on 8/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:54 pm
JAX
- ISP
1 stop5h 57m
Breeze Airways
Deal found 8/1![Breeze Airways logo]()
$121
This CheapOair deal was found by Cheapflights users on 8/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:31 pm
JAX
- ISP
1 stop3h 38m
Breeze Airways
Deal found 8/1![Breeze Airways logo]()
$129
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:54 pm
JAX
- ISP
1 stop5h 57m
Breeze Airways
Deal found 7/31![Breeze Airways logo]()
$133
This CheapOair deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:54 pm
JAX
- ISP
1 stop5h 57m
Breeze Airways
Deal found 7/31![Breeze Airways logo]()
$137
This CheapOair deal was found by Cheapflights users on 8/1. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:54 pm
JAX
- ISP
1 stop5h 57m
Breeze Airways
Deal found 8/1![Breeze Airways logo]()
$141
This CheapOair deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:54 pm
JAX
- ISP
1 stop4h 39m
Breeze Airways
Deal found 7/30![Breeze Airways logo]()
$143
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/107:46 pm
JAX
- ISP
2 stops45h 12m
Frontier
Deal found 7/30![Frontier logo]()
$144
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/237:05 pm
JAX
- ISP
2 stops40h 11m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 8/176:29 pm
JAX
- ISP
2 stops22h 18m
Multiple Airlines
Deal found 7/31![Multiple Airlines logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:46 pm
JAX
- ISP
2 stops37h 47m
Frontier
Deal found 7/30![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/171:01 pm
JAX
- ISP
1 stop22h 11m
Breeze Airways
Deal found 7/30![Breeze Airways logo]()
$162
Find flight deals from Jacksonville to Islip
Discover tips and strategies to find the most affordable flight options for your journey from Jacksonville (JAX) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $230 (Kiwi.com) |
One-way from | $119 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
Average price | $562 |
Cheapflights Fare Finder
Customize your flight search to find flights from Jacksonville to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
Use the filters below to find and compare flights from Jacksonville to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Thu 10/8
12:54 pm-6:51 pm
1 stop5h 57m
Islip Long Island
Tue 10/13
4:13 pm-5:51 pm
2 stops49h 38m
$263
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Thu 8/27
3:50 pm-10:05 pm
1 stop6h 15m
Islip Long Island
Thu 9/3
6:10 am-1:25 pm
1 stop7h 15m
$325
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Sat 8/29
8:00 am-2:30 pm
1 stop6h 30m
Islip Long Island
Sat 9/5
3:15 pm-7:40 pm
1 stop4h 25m
$345
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Fri 9/11
3:50 pm-10:10 pm
1 stop6h 20m
Islip Long Island
Sat 9/12
5:30 am-10:35 am
1 stop5h 05m
$358
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Sat 9/19
4:40 pm-8:50 pm
1 stop4h 10m
Islip Long Island
Mon 9/21
6:10 am-1:25 pm
1 stop7h 15m
$365
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Mon 9/7
7:50 am-12:35 pm
1 stop4h 45m
Islip Long Island
Mon 9/14
6:10 am-10:25 am
1 stop4h 15m
$365
Quickest round-trip
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Thu 9/24
5:45 pm-10:10 pm
1 stop4h 25m
Islip Long Island
Mon 9/28
4:05 pm-8:20 pm
1 stop4h 15m
$378
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Thu 10/8
11:35 am-11:10 pm
2 stops11h 35m
Islip Long Island
Tue 10/13
12:50 pm-9:15 pm
2 stops8h 25m
$388
Cheapest one-way
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Sun 8/30
7:05 pm-9:53 am
2 stops38h 48m
$119
Quickest one-way
JacksonvilleIslip
JAX - ISP
JAXISP
Jacksonville
Thu 8/27
3:31 pm-7:09 pm
1 stop3h 38m
$129
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Jacksonville to Islip
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Jacksonville to Islip in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Jacksonville-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Jacksonville-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Jacksonville-Islip, New York flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Jacksonville-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Jacksonville-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Jacksonville to Islip
Have a flexible travel schedule? Discover the best time to fly to Islip from Jacksonville with our price prediction graph.
JAX-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 Jacksonville to Islip
Reviews of airlines servicing Islip
Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated August 4, 2026.
Get a feel of what it's like to fly with Southwest and JetBlue from Jacksonville to Islip by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Boarding
8.1
Comfort
8.0
Overall
8.0
Entertainment
7.5
Crew
8.6
Food
7.0
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Related info for your journey
Find useful and relevant information for your journey from Jacksonville 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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Jacksonville and Islip flights
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Top 2 airlines flying from Jacksonville to Islip
Discover the top 2 airlines that operate flights from Jacksonville to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$287 | Average$417 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$306 | Average$426 | FlexibilityNo cancel fee | On-time63% |