Houston County Airport (ICAO: KCHU, FAA LID: CHU) is a public use airport located three miles (5 km) south of the central business district of Caledonia, a city in Houston County, Minnesota, United States.

[2] It serves general aviation for Caledonia and surrounding towns including Spring Grove and Houston.

[4][5] Houston County Airport covers an area of 52 acres (21 ha) which contains one asphalt paved runway, 13/31, measuring 3,499 by 77 feet (1,066 m × 23 m).

[2] For the 12-month period ending April 30, 2018, the airport had 3,500 aircraft operations, 100% of which are general aviation.

[2] The Houston County Flyers sponsors a fly-in breakfast at the airport on the last Sunday in June.