App
Customer Support
TWD
Find Bookings
Trip.com
>
Cheap Flights
>
United States
>
Jacksonville
>
Flights from Islip to Jacksonville
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Flights from Islip to Jacksonville Starting at TWD 3,643

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip
      • ISP15:46
        26h 57m
        1 stop
        JAX18:43
        Mon, Mar 3|Islip - Jacksonville|Frontier Airlines
        TWD 3,643TWD 15,831
        77% OFF
        77% OFF
        TWD 15,831TWD 3,643

        Choose Frontier Airlines flights from Islip to Jacksonville. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Mon, Mar 3, arriving at Jacksonville International Airport. One-way Prices start from TWD 3,643 including taxes and charges.

      • ISP15:58
        26h 58m
        1 stop
        JAX18:56
        Mon, Apr 21|Islip - Jacksonville|Frontier Airlines
        TWD 4,050TWD 15,831
        74% OFF
        74% OFF
        TWD 15,831TWD 4,050

        Choose Frontier Airlines flights from Islip to Jacksonville. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Mon, Apr 21, arriving at Jacksonville International Airport. One-way Prices start from TWD 4,050 including taxes and charges.

      • ISP15:34
        27h 9m
        1 stop
        JAX18:43
        Fri, Mar 14|Islip - Jacksonville|Frontier Airlines
        TWD 4,362TWD 15,831
        72% OFF
        72% OFF
        TWD 15,831TWD 4,362

        Choose Frontier Airlines flights from Islip to Jacksonville. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Fri, Mar 14, arriving at Jacksonville International Airport. One-way Prices start from TWD 4,362 including taxes and charges.

      • ISP11:31
        6h 42m
        1 stop
        JAX18:13
        Fri, Feb 21|Islip - Jacksonville|Jetblue Airways
        TWD 6,339
        TWD 6,339

        Choose Jetblue Airways flights from Islip to Jacksonville. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Fri, Feb 21, arriving at Jacksonville International Airport. One-way Prices start from TWD 6,339 including taxes and charges.

      • ISP10:39
        8h 17m
        1 stop
        JAX18:56
        Thu, Apr 10|Islip - Jacksonville|Jetblue Airways
        TWD 11,715
        TWD 11,715

        Choose Jetblue Airways flights from Islip to Jacksonville. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Thu, Apr 10, arriving at Jacksonville International Airport. One-way Prices start from TWD 11,715 including taxes and charges.

      • ISP01:00 pm
        3h 5m
        Nonstop
        JAX02:00 pm
        Fri, Feb 28|Islip - Jacksonville|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Islip to Jacksonville flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93389

    Frontier Airlines

    11:02

    ISP

    3.1h

    14:08

    FLL

    SMTWTFS
    Search

  2. B62618

    Jetblue Airways

    16:40

    FLL

    1.3h

    17:55

    JAX

    SMTWTFS

  3. F93389

    Frontier Airlines

    11:02

    ISP

    3.1h

    14:08

    FLL

    SMTWTFS
    Search

  4. AA1982

    American Airlines

    06:00

    FLL

    2.2h

    08:12

    CLT

    SM-WTFS

  5. AA1919

    American Airlines

    11:53

    CLT

    1.3h

    13:13

    JAX

    SMTWTFS

  6. B6513

    Jetblue Airways

    11:31

    ISP

    3.2h

    14:41

    FLL

    S-T-TF-
    Search

  7. B6602

    Jetblue Airways

    18:40

    FLL

    3.0h

    21:40

    JFK

    SMTWTFS

  8. B61577

    Jetblue Airways

    13:00

    JFK

    2.7h

    15:42

    JAX

    -MTWT--

  9. B6513

    Jetblue Airways

    11:31

    ISP

    3.2h

    14:41

    FLL

    S-T-TF-
    Search

  10. AA1829

    American Airlines

    19:32

    FLL

    2.2h

    21:43

    CLT

    SMTWTFS

  11. AA746

    American Airlines

    22:35

    CLT

    1.3h

    23:55

    JAX

    SMTWTFS

  12. B6513

    Jetblue Airways

    11:31

    ISP

    3.2h

    14:41

    FLL

    S-T-TF-
    Search

  13. B62618

    Jetblue Airways

    16:40

    FLL

    1.3h

    17:55

    JAX

    SMTWTFS
Find more flights and airlines

Find the best time to fly from Islip to Jacksonville

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

FAQ

  • When are flight tickets from Islip (ISP) to Jacksonville (JAX) the cheapest?

    Airlines adjust prices for flights from Islip to Jacksonville based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Islip (ISP) to Jacksonville (JAX) cost?

    According to Trip.com's data, the lowest price is around TWD 8,624.

How to find a cheap flight from Islip to Jacksonville

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Islip to Jacksonville. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Flight Information from Islip to Jacksonville

Cheapest nonstop flight priceTWD 3,642
Off-season for travelMarch
Peak season for travelNovember
Flight distance1,386.52 km
Popular airlineJetblue Airways

Contact Us

About

Other Services

Payment Methods
Our Partners
Copyright © 2025 Trip.com Travel Singapore Pte. Ltd. All rights reserved
Site Operator: Trip.com Travel Singapore Pte. Ltd.