Hot Springs Airport (FAA LID: S09) is a county-owned public-use airport in Sanders County, Montana, United States.

[1] It is located two nautical miles (4 km) east of the central business district of Hot Springs, Montana,[1] a town on the Flathead Indian Reservation.

Hot Springs Airport covers an area of 117 acres (47 ha) at an elevation of 2,763 feet (842 m) above mean sea level.

[1] It has one runway designated 6/24 with an asphalt measuring 3,550 by 45 feet (1,082 x 14 m).

[1] For the 12-month period ending July 22, 2008, the airport had 500 general aviation aircraft operations, an average of 41 per month.