Grantsburg Municipal Airport is a public use airport located two nautical miles (3.7 km) northeast of the central business district of Grantsburg, a village in Burnett County, Wisconsin, United States. It is owned by the Village of Grantsburg. It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2025–2029, in which it is categorized as a basic general aviation facility.

Facilities and aircraft

Grantsburg Municipal Airport covers an area of 280 acre at an elevation of 927 feet (283 m) above mean sea level. It has two runways: 12/30 is 2,999 by 60 feet (914 x 18 m) with an asphalt pavement, and both GPS and VOR/DME approaches; 5/23 is 3,280 by 120 feet (1,000 x 37 m) with a turf surface. For the 12-month period ending September 23, 2021, the airport had 1,620 aircraft operations, an average of 4 per day: 93% general aviation, 6% air taxi and 1% military. In July 2024, there were 13 aircraft based at this airport: all 13 single-engine.