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Flights from Islip to Charleston

Find the cheapest flight options from Islip to Charleston over the next three months. Book one-way tickets from SGD 223 and round-trip tickets from SGD 505.

      • ISP 11:50
        20h 47m
        1 stop
        CHS 08:37
        Islip - Charleston | Sat, Dec 13 | Jetblue Airways
        CHS 09:22
        25h 43m
        1 stop
        ISP 11:05
        Charleston - Islip | Mon, Dec 15 | Jetblue Airways
        SGD 505 SGD 839
        40% OFF
        40% OFF
        SGD 839 SGD 505
      • ISP 12:25
        24h 15m
        1 stop
        CHS 12:40
        Islip - Charleston | Fri, Feb 6 | Jetblue Airways
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Mon, Feb 9 | Jetblue Airways
        SGD 565 SGD 839
        33% OFF
        33% OFF
        SGD 839 SGD 565
      • ISP 12:25
        22h 20m
        1 stop
        CHS 10:45
        Islip - Charleston | Thu, Feb 5 | Jetblue Airways
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Mon, Feb 9 | Jetblue Airways
        SGD 565 SGD 839
        33% OFF
        33% OFF
        SGD 839 SGD 565
      • ISP 12:25
        24h 15m
        1 stop
        CHS 12:40
        Islip - Charleston | Wed, Feb 4 | Jetblue Airways
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Fri, Feb 6 | Jetblue Airways
        SGD 572
        32% OFF
        SGD 839 SGD 572
      • ISP 11:50
        20h 47m
        1 stop
        CHS 08:37
        Islip - Charleston | Fri, Dec 12 | Jetblue Airways
        CHS 09:22
        25h 43m
        1 stop
        ISP 11:05
        Charleston - Islip | Mon, Dec 15 | Jetblue Airways
        SGD 606
        28% OFF
        SGD 839 SGD 606
      • ISP 12:25
        24h 15m
        1 stop
        CHS 12:40
        Islip - Charleston | Fri, Jan 9 | Jetblue Airways
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Sun, Jan 11 | Jetblue Airways
        SGD 662
        21% OFF
        SGD 839 SGD 662
      • ISP 11:50
        20h 47m
        1 stop
        CHS 08:37
        Islip - Charleston | Thu, Dec 11 | Jetblue Airways
        CHS 09:22
        25h 43m
        1 stop
        ISP 11:05
        Charleston - Islip | Mon, Dec 15 | Jetblue Airways
        SGD 684
        18% OFF
        SGD 839 SGD 684
      • ISP 09:59
        26h 14m
        1 stop
        CHS 12:13
        Islip - Charleston | Fri, Feb 6 | Cape Air
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Mon, Feb 9 | Jetblue Airways
        SGD 701
        16% OFF
        SGD 839 SGD 701
      • ISP 07:25
        27h 48m
        1 stop
        CHS 11:13
        Islip - Charleston | Tue, Feb 3 | Cape Air
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Fri, Feb 6 | Jetblue Airways
        SGD 734
        12% OFF
        SGD 839 SGD 734
      • ISP 09:59
        25h 14m
        1 stop
        CHS 11:13
        Islip - Charleston | Wed, Feb 4 | Cape Air
        CHS 11:35
        24h
        1 stop
        ISP 11:35
        Charleston - Islip | Fri, Feb 6 | Jetblue Airways
        SGD 755
        10% OFF
        SGD 839 SGD 755
      • ISP 13:00
        17h 25m
        1 stop
        CHS Invalid Date
        Islip - Charleston | Sat, Dec 13 | Normal Airline
        CHS 15:00
        6h
        Direct
        ISP 16:00
        Charleston - Islip | Mon, Dec 15 | Normal Airline
        Find More Flights
        Find More Flights
      • ISP 11:50
        9h 4m
        1 stop
        CHS 20:54
        Islip - Charleston | Thu, Dec 11 | Jetblue Airways
        SGD 223 SGD 515
        56% OFF
        56% OFF
        SGD 515 SGD 223
      • ISP 11:50
        9h 4m
        1 stop
        CHS 20:54
        Islip - Charleston | Fri, Dec 12 | Jetblue Airways
        SGD 259 SGD 515
        50% OFF
        50% OFF
        SGD 515 SGD 259
      • ISP 11:50
        9h 4m
        1 stop
        CHS 20:54
        Islip - Charleston | Sun, Dec 14 | Jetblue Airways
        SGD 276 SGD 515
        46% OFF
        46% OFF
        SGD 515 SGD 276
      • ISP 09:59
        5h 36m
        1 stop
        CHS 15:35
        Islip - Charleston | Wed, Dec 17 | Cape Air
        SGD 450
        13% OFF
        SGD 515 SGD 450
      • ISP 09:59
        25h 14m
        1 stop
        CHS 11:13
        Islip - Charleston | Fri, Jan 23 | Cape Air
        SGD 456
        11% OFF
        SGD 515 SGD 456
      • ISP 09:59
        26h 3m
        1 stop
        CHS 12:02
        Islip - Charleston | Fri, Dec 12 | Cape Air
        SGD 458
        11% OFF
        SGD 515 SGD 458
      • ISP 12:30
        26h 21m
        1 stop
        CHS 14:51
        Islip - Charleston | Sun, Dec 14 | Cape Air
        SGD 458
        11% OFF
        SGD 515 SGD 458
      • ISP 07:25
        8h 15m
        1 stop
        CHS 15:40
        Islip - Charleston | Tue, Jan 13 | Cape Air
        SGD 458
        11% OFF
        SGD 515 SGD 458
      • ISP 07:25
        8h 15m
        1 stop
        CHS 15:40
        Islip - Charleston | Thu, Jan 8 | Cape Air
        SGD 464
        10% OFF
        SGD 515 SGD 464
      • ISP 07:25
        8h 15m
        1 stop
        CHS 15:40
        Islip - Charleston | Fri, Jan 9 | Cape Air
        SGD 464
        10% OFF
        SGD 515 SGD 464
      • ISP 13:00
        17h 25m
        1 stop
        CHS Invalid Date
        Islip - Charleston | Sat, Dec 13 | Normal Airline
        Find More Flights
        Find More Flights

Displayed flight fares from Islip to Charleston are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight details for Islip to Charleston

The distance between Islip and Charleston is 1,072.66 km. It takes around 2 hours 47 minutes on average to fly from Islip to Charleston. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is November.

Cheapest one-way flight priceSGD 223
Cheapest round-trip ticket priceSGD 505
Off-season for travelNovember
Peak season for travelJuly
Flight distance1,072.66 km
Average flight time2 hours 47 minutes

Find the best time to fly from Islip to Charleston

The cheapest time for Islip to Charleston flights: Jan 4 to Jan 11 — one way flight prices from SGD 133.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Islip to Charleston, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from Islip to Charleston (ISP-CHS)?

    Based on Trip.com data, Jetblue Airways offers one-way fares as low as SGD 223 on Cheapest nonstop routes (e.g. ISP to CHS on Thu, Dec 11), while Jetblue Airways offers Cheapest nonstop round-trips from SGD 505 departing on Sat, Dec 13 and returning on Mon, Dec 15.
  • It takes around 2 hours 47 minutes to fly from Islip (ISP) to Charleston (CHS).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Islip to Charleston 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.
  • To find best deals on flights from Islip to Charleston, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Dec 11, with one-way flights priced at just SGD 223.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetblue Airways.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Charleston travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Charleston is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Islip to Charleston on December 13, 2025 with Jetblue Airways, with prices starting at SGD 504.
  • The time difference between Charleston and Islip is 0h.
  • 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.