$118+ 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 8/31. Fares are subject to change and may not be available on all flights or dates of travel.
JAX — ISP
Sep 8 — Sep 151
Round-trip
1 adult, Economy
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Find cheap flights from Jacksonville 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 Jacksonville to Islip
Cheapest
Best
Last-minute
One-way
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 9, 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 9, 2026.
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.
Tue 10/65:06 pm -
1 stop18h 14m
Tue 10/1312:00 pm -
1 stop4h 26m
Deal found 8/5![Breeze Airways logo]()
$242
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.
Tue 10/67:46 pm -
2 stops37h 47m
Tue 10/1312:00 pm -
1 stop4h 26m
Deal found 8/5![Multiple Airlines logo]()
$253
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:46 pm -
2 stops37h 47m
Tue 10/1312:00 pm -
1 stop4h 26m
Deal found 8/8![Multiple Airlines logo]()
$262
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/74:24 pm -
1 stop26h 41m
Tue 10/1312:00 pm -
1 stop4h 26m
Deal found 8/8![Breeze Airways logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:05 pm -
2 stops24h 04m
Sat 9/1212:00 pm -
1 stop23h 38m
Deal found 8/8![Multiple Airlines logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/812:54 pm -
1 stop5h 57m
Sun 10/114:13 pm -
2 stops25h 38m
Deal found 8/7![Multiple Airlines logo]()
$280
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:46 pm -
2 stops21h 12m
Thu 9/177:45 pm -
1 stop26h 14m
Deal found 8/8![Multiple Airlines logo]()
$290
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.
Thu 9/241:01 pm -
1 stop22h 11m
Thu 10/17:45 pm -
1 stop26h 14m
Deal found 8/4![Breeze Airways logo]()
$309
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:46 pm -
2 stops21h 12m
Thu 9/177:45 pm -
1 stop26h 14m
Deal found 8/7![Multiple Airlines logo]()
$310
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.
Thu 9/101:01 pm -
1 stop22h 11m
Mon 9/145:43 pm -
2 stops25h 18m
Deal found 8/6![Multiple Airlines logo]()
$313
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.
Thu 9/241:01 pm -
1 stop22h 11m
Thu 10/110:57 am -
2 stops8h 04m
Deal found 8/4![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:01 pm -
1 stop22h 11m
Mon 9/285:43 pm -
2 stops25h 18m
Deal found 8/7![Multiple Airlines logo]()
$318
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 9, 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 9, 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.
Thu 9/103:50 pm -
1 stop6h 20m
Thu 9/176:10 am -
1 stop7h 15m
Deal found 8/4![Southwest logo]()
$365
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 9/113:50 pm -
1 stop6h 20m
Sun 9/136:20 am -
1 stop6h 05m
Deal found 8/6![Southwest logo]()
$371
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/911:35 am -
2 stops11h 35m
Mon 10/123:10 pm -
1 stop6h 55m
Deal found 8/5![Southwest logo]()
$383
This Southwest deal was found by Cheapflights users on 8/7. 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.
Thu 9/245:45 pm -
1 stop4h 25m
Mon 9/284:05 pm -
1 stop4h 15m
Deal found 8/7![Southwest logo]()
$391
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.
Thu 9/242:00 pm -
2 stops8h 10m
Thu 10/13:10 pm -
2 stops8h 10m
Deal found 8/4![Southwest logo]()
$401
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.
Thu 9/32:00 pm -
2 stops8h 10m
Thu 9/1012:35 pm -
2 stops9h 30m
Deal found 8/4![Southwest logo]()
$401
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.
Thu 9/175:45 pm -
1 stop4h 25m
Fri 9/1810:20 am -
1 stop4h 55m
Deal found 8/4![Southwest logo]()
$404
Last-minute flights from Jacksonville to IslipDiscover last-minute flight deals from Jacksonville to Islip. Data last updated August 9, 2026 and is based on user searches.
Discover last-minute flight deals from Jacksonville to Islip. Data last updated August 9, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/182:15 pm -
1 stop21h 02m
Tue 8/2511:56 am -
1 stop8h 08m
Deal found 8/8![Breeze Airways logo]()
$325
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.
Mon 8/319:37 am -
1 stop25h 39m
Mon 9/77:09 pm -
2 stops23h 01m
Deal found 8/6![Multiple Airlines logo]()
$327
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.
Thu 9/310:33 pm -
2 stops13h 47m
Thu 9/107:45 pm -
1 stop26h 14m
Deal found 8/4![Breeze Airways logo]()
$319
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:05 pm -
2 stops24h 04m
Sat 9/1212:00 pm -
1 stop23h 38m
Deal found 8/8![Multiple Airlines logo]()
$277
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.
Thu 9/101:01 pm -
1 stop22h 11m
Mon 9/145:43 pm -
2 stops25h 18m
Deal found 8/6![Multiple Airlines logo]()
$313
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.
Thu 9/107:46 pm -
2 stops45h 12m
Thu 9/177:45 pm -
1 stop26h 14m
Deal found 8/4![Multiple Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/117:46 pm -
2 stops21h 12m
Thu 9/177:45 pm -
1 stop26h 14m
Deal found 8/8![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:46 pm -
2 stops21h 12m
Thu 9/177:45 pm -
1 stop26h 14m
Deal found 8/7![Multiple Airlines logo]()
$310
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.
Thu 9/241:01 pm -
1 stop22h 11m
Thu 10/17:45 pm -
1 stop26h 14m
Deal found 8/4![Breeze Airways logo]()
$309
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.
Thu 9/241:01 pm -
1 stop22h 11m
Thu 10/110:57 am -
2 stops8h 04m
Deal found 8/4![Multiple Airlines logo]()
$314
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/241:01 pm -
1 stop22h 11m
Mon 9/285:43 pm -
2 stops25h 18m
Deal found 8/7![Multiple Airlines logo]()
$318
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 9, 2026.
Search for one-way flight options from Jacksonville to Islip. Find affordable one-way fares based on user searches. Data last updated August 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/317:05 pm -
2 stops21h 42m
Deal found 8/7![Multiple Airlines logo]()
$118
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/307:05 pm -
2 stops38h 48m
Deal found 8/7![Frontier logo]()
$119
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:15 pm -
1 stop21h 05m
Deal found 8/7![Breeze Airways logo]()
$122
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.
Thu 10/112:54 pm -
1 stop5h 57m
Deal found 8/4![Breeze Airways logo]()
$125
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:05 pm -
2 stops21h 53m
Deal found 8/7![Frontier logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:15 pm -
1 stop21h 02m
Deal found 8/7![Breeze Airways logo]()
$129
This CheapOair deal was found by Cheapflights users on 8/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1812:54 pm -
1 stop5h 57m
Deal found 8/8![Breeze Airways logo]()
$133
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/24:44 pm -
1 stop26h 25m
Deal found 8/7![Breeze Airways logo]()
$135
This CheapOair deal was found by Cheapflights users on 8/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:54 pm -
1 stop5h 57m
Deal found 8/8![Breeze Airways logo]()
$136
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/17:05 pm -
2 stops38h 48m
Deal found 8/7![Frontier logo]()
$139
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/319:37 am -
1 stop25h 39m
Deal found 8/7![Breeze Airways logo]()
$146
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 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $242 (Kiwi.com) |
One-way from | $118 (Kiwi.com) |
Popular in | July |
Cheapest in | March |
Average price | $426 |
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 9, 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 Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Thu 9/10
3:50 pm-10:10 pm
1 stop6h 20m
Islip Long Island
Thu 9/17
6:10 am-1:25 pm
1 stop7h 15m
$365
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Fri 9/11
3:50 pm-10:10 pm
1 stop6h 20m
Islip Long Island
Sun 9/13
6:20 am-12:25 pm
1 stop6h 05m
$371
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Fri 10/9
11:35 am-11:10 pm
2 stops11h 35m
Islip Long Island
Mon 10/12
3:10 pm-10:05 pm
1 stop6h 55m
$383
Quickest round-trip
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
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
$391
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Thu 9/24
2:00 pm-10:10 pm
2 stops8h 10m
Islip Long Island
Thu 10/1
3:10 pm-11:20 pm
2 stops8h 10m
$401
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Thu 9/3
2:00 pm-10:10 pm
2 stops8h 10m
Islip Long Island
Thu 9/10
12:35 pm-10:05 pm
2 stops9h 30m
$401
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Thu 9/17
5:45 pm-10:10 pm
1 stop4h 25m
Islip Long Island
Fri 9/18
10:20 am-3:15 pm
1 stop4h 55m
$404
Cheapest one-way
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Tue 9/8
7:05 pm-4:58 pm
2 stops21h 53m
$127
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Wed 9/2
4:44 pm-7:09 pm
1 stop26h 25m
$135
JacksonvilleIslip
JAX Jacksonville - ISP Islip Long Island
JAXISP
Jacksonville
Sun 10/18
12:54 pm-6:51 pm
1 stop5h 57m
$137
Showing 1-10 of 17 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 9, 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.
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
Reviews
1 / 20
6.0
GoodReza,Jun 2026
TPA - MDW
Entertainment
7.5
Overall
8.0
Crew
8.6
Comfort
8.0
Food
7.0
Boarding
8.1
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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Find flights from Jacksonville 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 August 9, 2026.
Jacksonville and Islip flights
Browse other Jacksonville and Islip flight options. Last updated on August 9, 2026.
Other flights from Jacksonville
Browse through other flights departing from Jacksonville. Flights are based on user searches made on Cheapflights and were last updated on August 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 9, 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% |