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ISP (Islip) to FSD (Sioux Falls) Flights $700.9

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Cheap ISP to FSD Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Islip to Sioux Falls (ISP to FSD)

Question : Is price more important than specific travel days for you?
Answer : In October, Sunday is your lowest-cost day to fly. Flexibility is paramount when booking travel plans in order to keep travel costs down.

Question : Is there an alternative to Long Island MacArthur Airport (ISP) for getting you to Sioux Falls?
Answer : Lucky for you, there is another airport near Ronkonkoma. Westchester County Airport (HPN) is 37 miles away, and over the next two months, flights are being booked 30% cheaper than flights from Long Island MacArthur Airport.

Question : How long do most people stay in Sioux Falls?
Answer : Of course you're not most people, but if you were, you'd stay roughly six days.