Find Cheap Flights & Flights from Greenville(GSP) to Long Island Macarthur Airport(ISP)

  • One way
  • Round-trip
      • GSP07:00
        33h 58m
        2 stops
        ISP16:58
        Greenville - Islip|Sun, Oct 4|Delta Air Lines
        US$354
        US$816
        56% off
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        56% off
        US$816
        US$354
      • GSP20:32
        16h 26m
        1 stops
        ISP12:58
        Greenville - Islip|Mon, Sep 21|Breeze Airways
        US$392
        US$816
        52% off
        Search
        52% off
        US$816
        US$392
      • GSP10:34
        9h 41m
        2 stops
        ISP20:15
        Greenville - Islip|Tue, Sep 15|American Airlines
        US$402
        US$816
        51% off
        Search
        51% off
        US$816
        US$402
      • GSP17:54
        17h 2m
        2 stops
        ISP10:56
        Greenville - Islip|Mon, Sep 14|American Airlines
        US$408
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        US$408
      • GSP07:47
        12h 28m
        2 stops
        ISP20:15
        Greenville - Islip|Thu, Sep 17|American Airlines
        US$416
        Search
        US$416
      • GSP17:59
        23h 42m
        2 stops
        ISP17:41
        Greenville - Islip|Tue, Sep 15|Delta Air Lines
        US$416
        Search
        US$416
      • GSP17:54
        17h 2m
        2 stops
        ISP10:56
        Greenville - Islip|Wed, Sep 23|American Airlines
        US$419
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        US$419
      • GSP07:00
        10h 41m
        2 stops
        ISP17:41
        Greenville - Islip|Tue, Sep 15|United Airlines
        US$425
        Search
        US$425
      • GSP17:46
        16h 44m
        2 stops
        ISP10:30
        Greenville - Islip|Sat, Oct 10|United Airlines
        US$428
        Search
        US$428
      • GSP15:30
        19h 26m
        2 stops
        ISP10:56
        Greenville - Islip|Wed, Sep 23|Delta Air Lines
        US$429
        Search
        US$429
      • GSP19:47
        15h 9m
        2 stops
        ISP10:56
        Greenville - Islip|Wed, Sep 23|United Airlines
        US$429
        Search
        US$429
      • GSP07:47
        10h 48m
        2 stops
        ISP18:35
        Greenville - Islip|Fri, Sep 18|American Airlines
        US$438
        Search
        US$438
      • GSP15:58
        18h 32m
        2 stops
        ISP10:30
        Greenville - Islip|Sat, Oct 10|American Airlines
        US$458
        Search
        US$458
      • GSP10:34
        10h 25m
        2 stops
        ISP20:59
        Greenville - Islip|Fri, Oct 2|American Airlines
        US$459
        Search
        US$459
      • GSP06:18
        11h 23m
        2 stops
        ISP17:41
        Greenville - Islip|Tue, Sep 22|American Airlines
        US$464
        Search
        US$464
      • GSP17:46
        24h 49m
        2 stops
        ISP18:35
        Greenville - Islip|Fri, Oct 2|United Airlines
        US$476
        Search
        US$476
      • GSP10:58
        9h 17m
        2 stops
        ISP20:15
        Greenville - Islip|Mon, Oct 12|American Airlines
        US$484
        Search
        US$484
      • GSP15:30
        19h 26m
        2 stops
        ISP10:56
        Greenville - Islip|Tue, Sep 22|Delta Air Lines
        US$491
        Search
        US$491
      • GSP16:00
        18h 56m
        2 stops
        ISP10:56
        Greenville - Islip|Tue, Sep 22|United Airlines
        US$491
        Search
        US$491
      • GSP06:12
        14h 47m
        2 stops
        ISP20:59
        Greenville - Islip|Sun, Oct 4|American Airlines
        US$494
        Search
        US$494
      • GSP17:59
        17h 6m
        2 stops
        ISP11:05
        Greenville - Islip|Mon, Oct 12|Delta Air Lines
        US$497
        Search
        US$497
      • GSP10:51
        10h 8m
        2 stops
        ISP20:59
        Greenville - Islip|Sat, Sep 26|American Airlines
        US$500
        Search
        US$500
      • GSP17:54
        16h 36m
        2 stops
        ISP10:30
        Greenville - Islip|Thu, Oct 1|American Airlines
        US$500
        Search
        US$500
      • GSP16:49
        24h 52m
        2 stops
        ISP17:41
        Greenville - Islip|Mon, Sep 21|American Airlines
        US$534
        Search
        US$534
      • GSP18:57
        15h 33m
        2 stops
        ISP10:30
        Greenville - Islip|Fri, Sep 18|Delta Air Lines
        US$563
        Search
        US$563
      • GSP18:25
        24h 10m
        2 stops
        ISP18:35
        Greenville - Islip|Fri, Oct 2|Delta Air Lines
        US$564
        Search
        US$564
      • GSP18:25
        16h 5m
        2 stops
        ISP10:30
        Greenville - Islip|Thu, Oct 1|Delta Air Lines
        US$596
        Search
        US$596
      • GSP09:00
        11h 59m
        2 stops
        ISP20:59
        Greenville - Islip|Sat, Sep 26|Delta Air Lines
        US$609
        Search
        US$609
      • GSP19:30
        25h 29m
        2 stops
        ISP20:59
        Greenville - Islip|Fri, Sep 18|United Airlines
        US$616
        Search
        US$616
      • GSP18:57
        15h 33m
        2 stops
        ISP10:30
        Greenville - Islip|Fri, Oct 9|Delta Air Lines
        US$620
        Search
        US$620
      • GSP13:00
        15h 33m
        Nonstop
        ISP14:00
        Greenville - Islip|Mon, Sep 6|Normal Airline
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Flights from Greenville(GSP) to Long Island Macarthur Airport(ISP) & Flight Info

Flight Time 3 hours 21 minutes
Cheapest Flight Price US$119

Flights from Greenville(GSP) to Long Island Macarthur Airport(ISP) & FAQ

  • When is the best time to book flights from Greenville to Islip?

    By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Greenville to Islip is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

  • When are flight tickets from Greenville (GSP) to Islip (ISP) the cheapest?

    The cheapest months to fly from Greenville to Islip is October, when demand for travel is lower.

  • Which upcoming date is cheapest to fly from Greenville to Islip on?

    After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Greenville to Islip on September 21, 2026 with Breeze Airways, with prices starting at US$708.

  • Is there any time difference between Greenville and Islip?

    The time difference between Islip and Greenville is 0m.

  • How do I change or cancel my ticket from Greenville to Islip?

    Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
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Flights from Greenville(GSP) to Long Island Macarthur Airport(ISP)