Airports of Keystone Closest ariports to Keystone city: Rapid City Regional Airport (distance 42.6 km / 26.5 mi) | ✈️ Book tickets Ellsworth Air Force Base (distance 44.1 km / 27.4 mi) | ✈️ Book tickets Black Hills Airport (Clyde Ice Field) (distance 75.9 km / 47.2 mi) | ✈️ Book tickets Mondell Airport (distance 98.8 km / 61.4 mi) | ✈️ Book tickets Chadron Airport (distance 120.8 km / 75.1 mi) | ✈️ Book tickets Pine Ridge Airport (distance 138.2 km / 85.9 mi) | ✈️ Book tickets Lusk Airport (distance 165.3 km / 102.7 mi) | ✈️ Book tickets Gordon Airport (distance 180.4 km / 112.1 mi) | ✈️ Book tickets Philip Airport (distance 199.9 km / 124.2 mi) | ✈️ Book tickets Alliance Airport (distance 213.2 km / 132.5 mi) | ✈️ Book tickets Airports of Keystone city on map: ☞ Show Map Find air tickets to Keystone airport