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Cheap flight deals from Islip to Castries Starting at NZD 1,172

For as little as NZD 1,172, you can take your next adventure to Castries without breaking the bank. Choose between one-way and return tickets from Islip below.

  • Round-trip
      • ISP09:07
        30h 11m
        2 stops
        UVF15:18
        Sat, Mar 8|Islip - Castries|Frontier Airlines
        UVF13:00
        30h 51m
        2 stops
        ISP19:51
        Sat, Mar 15|Castries - Islip|Jetblue Airways
        NZD 1,172NZD 2,535
        54% OFF
        54% OFF
        NZD 2,535NZD 1,172

        Choose Frontier Airlines flights from Islip to Castries. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Sat, Mar 8-Sat, Mar 15, arriving at Hewanorra Airport. One-way Prices start from NZD 1,172 including taxes and charges.

      • ISP20:35
        18h 43m
        2 stops
        UVF15:18
        Sat, Mar 8|Islip - Castries|Jetblue Airways
        UVF13:00
        23h 11m
        2 stops
        ISP12:11
        Sat, Mar 15|Castries - Islip|Jetblue Airways
        NZD 1,234NZD 2,535
        51% OFF
        51% OFF
        NZD 2,535NZD 1,234

        Choose Jetblue Airways flights from Islip to Castries. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Sat, Mar 8-Sat, Mar 15, arriving at Hewanorra Airport. One-way Prices start from NZD 1,234 including taxes and charges.

      • ISP21:54
        35h 51m
        2 stops
        SLU10:45
        Thu, Feb 20|Islip - Castries|Frontier Airlines
        UVF17:17
        26h 37m
        2 stops
        ISP18:54
        Wed, Feb 26|Castries - Islip|United Airlines
        NZD 1,587NZD 2,535
        37% OFF
        37% OFF
        NZD 2,535NZD 1,587

        Choose Frontier Airlines flights from Islip to Castries. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Thu, Feb 20-Wed, Feb 26, arriving at George F. L. Charles Airport. One-way Prices start from NZD 1,587 including taxes and charges.

      • ISP21:04
        36h 41m
        2 stops
        SLU10:45
        Thu, Mar 6|Islip - Castries|Frontier Airlines
        SLU17:25
        38h 42m
        2 stops
        ISP08:07
        Thu, Mar 13|Castries - Islip|Caribbean Airlines
        NZD 1,678
        NZD 1,678

        Choose Frontier Airlines flights from Islip to Castries. The one-way connecting flight with Frontier Airlines departs from Long Island Macarthur Airport on Thu, Mar 6-Thu, Mar 13, arriving at George F. L. Charles Airport. One-way Prices start from NZD 1,678 including taxes and charges.

      • ISP20:35
        37h 10m
        2 stops
        SLU10:45
        Thu, Mar 6|Islip - Castries|Jetblue Airways
        SLU17:25
        43h 4m
        2 stops
        ISP12:29
        Thu, Mar 13|Castries - Islip|Caribbean Airlines
        NZD 2,104
        NZD 2,104

        Choose Jetblue Airways flights from Islip to Castries. The one-way connecting flight with Jetblue Airways departs from Long Island Macarthur Airport on Thu, Mar 6-Thu, Mar 13, arriving at George F. L. Charles Airport. One-way Prices start from NZD 2,104 including taxes and charges.

      • ISP01:00 pm
        3h 5m
        Nonstop
        SLU02:00 pm
        Thu, Feb 20|Islip - Castries|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 Castries flight time & flight schedules

Flight info.
Departure
Arrival
Weekly Schedule

  1. F93055

    Frontier Airlines

    09:07

    ISP

    3.0h

    12:09

    MCO

    SMTWTFS
    Search

  2. B61584

    Jetblue Airways

    07:55

    MCO

    2.7h

    10:39

    JFK

    SMTWTFS

  3. B6881

    Jetblue Airways

    07:20

    JFK

    4.8h

    12:07

    UVF

    SMTWTFS

  4. B6547

    Jetblue Airways

    13:00

    ISP

    2.7h

    15:41

    MCO

    SMTWTFS
    Search

  5. BW485

    Caribbean Airlines

    15:25

    MCO

    4.1h

    19:30

    POS

    S-T-T--

  6. BW282

    Caribbean Airlines

    09:40

    POS

    1.1h

    10:45

    SLU

    ---W-F-

  7. B6547

    Jetblue Airways

    13:00

    ISP

    2.7h

    15:41

    MCO

    SMTWTFS
    Search

  8. B61584

    Jetblue Airways

    07:55

    MCO

    2.7h

    10:39

    JFK

    SMTWTFS

  9. B6881

    Jetblue Airways

    07:20

    JFK

    4.8h

    12:07

    UVF

    SMTWTFS

  10. F91237

    Frontier Airlines

    18:51

    ISP

    2.9h

    21:42

    MCO

    SMTWTFS
    Search

  11. BW485

    Caribbean Airlines

    15:25

    MCO

    4.1h

    19:30

    POS

    S-T-T--

  12. BW282

    Caribbean Airlines

    09:40

    POS

    1.1h

    10:45

    SLU

    ---W-F-
Find more flights and airlines

When is the cheapest time to fly from Islip to Castries?

These price trend charts carefully monitor and predict how flight prices from Islip to Castries will change. Keep a close eye on them to understand when the best time to buy your tickets is.

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

Frequently Asked Questions

  • When are flight tickets from Islip (ISP) to Castries (SLU) the cheapest?

    Airlines adjust prices for flights from Islip to Castries based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much do flights from Islip (ISP) to Castries (SLU) cost?

    According to Trip.com's data, the lowest price is around NZD 664.

  • What is the transportation method from the main airport to downtown in Castries?

    • The distance from Hewanorra Airport to downtown is about 30 km, by taxi about 50 minutes.
    • The distance from George F. L. Charles Airport to downtown is about 1 km, by taxi about 20 minutes.

  • How many airports are there in Castries (SLU)?

    There are 2 airport(s) near Castries (SLU): George F. L. Charles Airport and Hewanorra Airport.

How to find a cheap flight from Islip to Castries

If you leave it until the last minute and forget to check some of the key information when booking tickets, prices can often end up skyrocketing. Below, you can find our top tips for getting the best value flights – from changing dates to chasing deals, there are plenty ways to keep your next trip affordable.
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 Info | Islip to Castries

Off-season for travelAugust
Peak season for travelApril
Flight distance3,200.72 km
Popular airlineFrontier Airlines

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