Scheduled Bus service is available to Big Sky at West Yellowstone (West entrance of Yellowstone National Park) and Gardner (North entrance of Yellowstone National Park).
- Karst Stage (tel. 406-556-3540 or 1-800-287-4759 or visit: www.karststage.com ) has a counter in the Ground Transportation Lobby and offers service to Big Sky, Yellowstone & Mammoth Hot Springs, and door-to-door service to Big Sky area in winter. It also provides buses for Yellowstone tours.
- Private 'Shuttle to 'Big Sky & Taxi' - tel. 406-995-4895 /888-454-5667 - or open: https://www.bigskytaxi.com/index.php