$96+ Cheap flights from Islip, NY to Jacksonville (ISP - JAX)
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 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — JAX
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Islip to Jacksonville 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 Islip to Jacksonville
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Cheapest flights from Islip to JacksonvilleExplore the most affordable flight options available from Islip to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 2026.
Explore the most affordable flight options available from Islip to Jacksonville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 6, 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.
Tue 10/2012:00 pm -
1 stop4h 26m
Tue 10/275:06 pm -
1 stop18h 14m
Deal found 8/3![Breeze Airways logo]()
$236
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.
Tue 9/111:56 am -
1 stop8h 08m
Mon 9/77:05 pm -
2 stops21h 42m
Deal found 8/2![Multiple Airlines logo]()
$237
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.
Tue 10/2012:00 pm -
1 stop4h 26m
Tue 10/276:46 pm -
2 stops19h 47m
Deal found 8/3![Multiple Airlines logo]()
$245
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.
Tue 8/2511:56 am -
1 stop8h 08m
Sun 8/307:05 pm -
2 stops38h 48m
Deal found 8/3![Multiple Airlines logo]()
$251
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.
Wed 9/912:00 pm -
1 stop23h 38m
Sun 9/137:46 pm -
2 stops21h 12m
Deal found 8/3![Multiple Airlines logo]()
$252
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/712:00 pm -
2 stops29h 51m
Thu 10/2212:54 pm -
1 stop4h 39m
Deal found 8/4![Multiple Airlines logo]()
$259
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:45 pm -
1 stop26h 14m
Mon 10/196:46 pm -
2 stops20h 17m
Deal found 8/4![Multiple Airlines logo]()
$263
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.
Tue 11/1012:00 pm -
1 stop4h 26m
Sun 11/156:46 pm -
2 stops19h 36m
Deal found 8/1![Multiple Airlines logo]()
$264
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.
Thu 10/2910:57 am -
1 stop9h 31m
Sun 11/112:54 pm -
1 stop4h 39m
Deal found 8/2![Breeze Airways logo]()
$267
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.
Wed 10/75:43 pm -
2 stops24h 08m
Tue 10/135:06 pm -
1 stop18h 14m
Deal found 8/1![Multiple Airlines logo]()
$269
Best flights from Islip to JacksonvilleDiscover carefully curated flight deals from Islip to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Islip to Jacksonville that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Southwest deal was found by Cheapflights users on 8/4. 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.
Fri 9/114:05 pm -
1 stop4h 15m
Wed 9/164:40 pm -
1 stop4h 30m
Deal found 8/4![Southwest logo]()
$345
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1911:57 am -
2 stops30h 13m
Wed 8/264:44 pm -
1 stop26h 25m
Deal found 8/4![Multiple Airlines logo]()
$365
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.
Wed 9/910:55 am -
1 stop4h 00m
Sat 9/124:40 pm -
1 stop4h 10m
Deal found 8/1![Southwest logo]()
$365
This Southwest deal was found by Cheapflights users on 8/4. 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 10/712:50 pm -
1 stop4h 30m
Sat 10/105:35 pm -
1 stop4h 10m
Deal found 8/4![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.
Sat 10/246:15 am -
1 stop4h 00m
Mon 10/267:00 am -
1 stop4h 45m
Deal found 8/3![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.
Fri 9/46:10 am -
1 stop7h 15m
Sun 9/67:35 am -
2 stops15h 10m
Deal found 8/2![Southwest logo]()
$369
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.
Wed 9/212:55 pm -
2 stops6h 45m
Wed 9/94:40 pm -
1 stop4h 30m
Deal found 8/3![Southwest logo]()
$370
This Southwest deal was found by Cheapflights users on 8/6. 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 9/254:05 pm -
1 stop4h 15m
Mon 9/287:50 am -
1 stop4h 45m
Deal found 8/6![Southwest logo]()
$378
Last-minute flights from Islip to JacksonvilleDiscover last-minute flight deals from Islip to Jacksonville. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Jacksonville. Data last updated August 6, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:56 am -
1 stop8h 08m
Mon 8/317:05 pm -
2 stops21h 42m
Deal found 8/6![Multiple Airlines logo]()
$329
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.
Wed 8/1911:57 am -
2 stops30h 13m
Tue 8/252:15 pm -
1 stop21h 02m
Deal found 8/1![Multiple Airlines logo]()
$330
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.
Tue 8/2511:56 am -
1 stop8h 08m
Sun 8/307:05 pm -
2 stops38h 48m
Deal found 8/3![Multiple Airlines logo]()
$251
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:56 am -
1 stop8h 08m
Thu 8/273:31 pm -
1 stop3h 38m
Deal found 8/4![Breeze Airways logo]()
$279
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.
Tue 8/2511:56 am -
1 stop8h 08m
Sun 8/308:48 pm -
1 stop16h 40m
Deal found 8/3![Breeze Airways logo]()
$303
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.
Tue 9/111:56 am -
1 stop8h 08m
Mon 9/77:05 pm -
2 stops21h 42m
Deal found 8/2![Multiple Airlines logo]()
$237
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.
Tue 9/111:56 am -
1 stop8h 08m
Mon 9/79:37 am -
1 stop25h 39m
Deal found 8/3![Breeze Airways logo]()
$274
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.
Wed 9/912:00 pm -
1 stop23h 38m
Sun 9/137:46 pm -
2 stops21h 12m
Deal found 8/3![Multiple Airlines logo]()
$252
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.
Wed 9/912:00 pm -
1 stop23h 38m
Sun 9/131:01 pm -
1 stop22h 11m
Deal found 8/3![Breeze Airways logo]()
$287
One-way flights from Islip to JacksonvilleSearch for one-way flight options from Islip to Jacksonville. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Islip to Jacksonville. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/612:00 pm -
1 stop4h 26m
Deal found 8/4![Breeze Airways logo]()
$96
This CheapOair deal was found by Cheapflights users on 8/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1811:56 am -
1 stop8h 08m
Deal found 8/4![Breeze Airways logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:57 am -
1 stop9h 31m
Deal found 8/5![Breeze Airways logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 8/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:56 am -
1 stop8h 08m
Deal found 8/4![Breeze Airways logo]()
$125
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 10/193:02 pm -
1 stop25h 24m
Deal found 8/2![Breeze Airways logo]()
$129
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.
Thu 10/15:43 pm -
2 stops25h 18m
Deal found 8/2![Frontier logo]()
$131
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 10/194:13 pm -
2 stops25h 38m
Deal found 8/2![Frontier logo]()
$132
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1111:56 am -
1 stop8h 08m
Deal found 8/2![Breeze Airways logo]()
$133
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.
Wed 8/2611:57 am -
2 stops30h 13m
Deal found 8/3![Multiple Airlines logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2910:57 am -
2 stops30h 54m
Deal found 8/5![Multiple Airlines logo]()
$140
Find flight deals from Islip to Jacksonville
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Jacksonville (JAX). 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 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $236 (Kiwi.com) |
One-way from | $96 (Kiwi.com) |
Popular in | August |
Cheapest in | February |
Average price | $707 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Jacksonville 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 6, 2026.
Use the filters below to find and compare flights from Islip to Jacksonville that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Fri 9/11
4:05 pm-8:20 pm
1 stop4h 15m
Jacksonville
Wed 9/16
4:40 pm-9:10 pm
1 stop4h 30m
$345
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Wed 8/19
11:57 am-6:10 pm
2 stops30h 13m
Jacksonville
Wed 8/26
4:44 pm-7:09 pm
1 stop26h 25m
$365
Quickest round-trip
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Wed 9/9
10:55 am-2:55 pm
1 stop4h 00m
Jacksonville
Sat 9/12
4:40 pm-8:50 pm
1 stop4h 10m
$365
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Wed 10/7
12:50 pm-5:20 pm
1 stop4h 30m
Jacksonville
Sat 10/10
5:35 pm-9:45 pm
1 stop4h 10m
$365
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Sat 10/24
6:15 am-10:15 am
1 stop4h 00m
Jacksonville
Mon 10/26
7:00 am-11:45 am
1 stop4h 45m
$365
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Fri 9/4
6:10 am-1:25 pm
1 stop7h 15m
Jacksonville
Sun 9/6
7:35 am-10:45 pm
2 stops15h 10m
$369
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Wed 9/2
12:55 pm-7:40 pm
2 stops6h 45m
Jacksonville
Wed 9/9
4:40 pm-9:10 pm
1 stop4h 30m
$370
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Fri 9/25
4:05 pm-8:20 pm
1 stop4h 15m
Jacksonville
Mon 9/28
7:50 am-12:35 pm
1 stop4h 45m
$378
Cheapest one-way
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Tue 10/13
12:00 pm-4:26 pm
1 stop4h 26m
$99
IslipJacksonville
ISP Islip Long Island - JAX Jacksonville
ISPJAX
Islip Long Island
Fri 9/4
2:28 pm-6:10 pm
2 stops27h 42m
$155
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Islip to Jacksonville
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 Islip to Jacksonville 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 Islip, New York-Jacksonville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Jacksonville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Jacksonville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Jacksonville 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 Islip, New York-Jacksonville 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 Islip to Jacksonville
Have a flexible travel schedule? Discover the best time to fly to Jacksonville from Islip with our price prediction graph.
ISP-JAX
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Islip to Jacksonville
Reviews of airlines servicing Jacksonville
Get insights into the airlines that provide service to Jacksonville. 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 Jacksonville. Reviews last updated August 6, 2026.
Read through reviews of airlines operating flights from Islip to Jacksonville, such as Southwest. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Overall
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from Islip to Jacksonville. 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 Jacksonville?
Book flights to Jacksonville if you plan to visit one of these locationsJacksonville Beach
Fernandina Beach
Orange Park
Kingsland
Waycross
Atlantic Beach
Yulee
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Other flights to Jacksonville
Explore flights to Jacksonville departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
Islip and Jacksonville flights
Browse other Islip and Jacksonville flight options. Last updated on August 6, 2026.
Other flights from Islip
Browse through other flights departing from Islip. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Islip to Jacksonville
Discover the top airline that operate flights from Islip to Jacksonville. 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 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$320 | Average$431 | FlexibilityNo cancel fee | On-time63% |