Broadus Airport (IATA: BDX, FAA LID: 00F) is a county-owned, public-use airport located three miles (4.8 km) northwest of the central business district of Broadus, a town in Powder River County, Montana, United States. This new airport was built at a cost of $2 million to replace the old Broadus Airport which is now closed.

The old airport, located approximately two miles (3.2 km) southeast of the new airport, was closed in 2005, and the new airport is 2 miles (3.2 km) northwest of Broadus, north of U.S. Highway 212, along Montana Highway 59.