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Cheap Flights from Islip to Rapid City

Here are our top budget-friendly flights, offering flexible one-way or round-trip options. Additional flights with other timings and airlines are also available.

      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search
      • ISP 13:00
        17h 25m
        1 stop
        RAP Invalid Date
        Islip - Rapid City | Fri, Dec 12 | Normal Airline
        RAP 15:00
        6h
        Direct
        ISP 16:00
        Rapid City - Islip | Sun, Dec 14 | Normal Airline
        Search
        Search

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

Flying from Islip to Rapid City

The distance between Islip and Rapid City is approximately 2,471km. Based on Trip.com's data, travel demand peaks in November. The off-season for travel is October.

Cheapest one-way flight priceS$ 623
Off-season for travelOctober
Peak season for travelNovember
Flight distance2,471km

Cheapest time to fly from Islip to Rapid City

The cheapest time for Islip to Rapid City flights: Dec 28 to Jan 4 — one way flight prices from S$ 622.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

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

    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 Rapid City 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 Rapid City, 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 Sun, Jan 4, with one-way flights priced at just S$ 623.
    · 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 Rapid City travel is around November.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Islip to Rapid City is October, when demand for travel is lower.
  • The time difference between Rapid City and Islip is 2h.
  • Tickets can only be changed or cancelled 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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