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Sioux Falls to Williston Flight Info.

Flight time: 8h 52m. Sioux Gateway, Sioux City - Basin International, Williston. United Airlines.

UA, UA, UA, UA Sioux City to Williston Flight Schedule Scan through flights from Sioux Gateway Airport (SUX) to Sloulin Field International Airport (ISN) for the upcoming week. Sort the list by any column, and click on a dollar sign to see the latest prices available for each flight. The cheapest way to get from Sioux City to Williston costs only 88, and the quickest way takes just 8 hours.

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Find the travel option that best suits you. Flight time: 8h 58m. Basin International, Williston - Sioux Gateway, Sioux City. United Airlines.

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Williston to Sioux City Flight Schedule Scan through flights from Sloulin Field International Airport (ISN) to Sioux Gateway Airport (SUX) for the upcoming week. Sort the list by any column, and click on a dollar sign to see the latest prices available for each flight.