South Grand Lake Regional Airport (FAA LID: 1K8) is a town owned, public use airport located one nautical mile (2 km) northeast of the central business district of Ketchum, a town in Craig County, Oklahoma, United States.

[1] It is included in the National Plan of Integrated Airport Systems for 2011–2015, which categorized it as a general aviation facility.

[2] South Grand Lake Regional Airport covers an area of 57 acres (23 ha) at an elevation of 775 feet (236 m) above mean sea level.

It has one runway designated 18/36 with an asphalt surface measuring 4,744 by 60 feet (1,446 by 18 m).

For the 12-month period ending December 1, 2010, the airport had 7,500 general aviation aircraft operations, an average of 20 per day.