The closest and most convenient airport to get to Mount Rushmore is the Rapid City Regional Airport (32 mi). If you’re planning to drive from the airport to the site, then Alamo, Enterprise, Avis, Hertz, Budget, and National are the car rental companies you’ll find onsite at the arrivals area just after baggage claim. Alternatively, you can pre-book with a shuttle service that will take you directly to Mount Rushmore. A one-way ticket costs approximately $60 per person or $30 per passenger if there are more than three passengers.