Sauk–Prairie Airport is a privately owned public use airport located 2 miles (3 km) west of the central business district of Prairie du Sac and 3 miles (5 km) northwest of the central business district of Sauk City, two adjacent villages in Sauk County, Wisconsin, United States. Sauk Prairie, Wisconsin, is the nickname for the two combined communities. The airport is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as an unclassified general aviation facility.