Transportation

Airport in West Yellowstone

Yellowstone Airport

The closest airport to Yellowstone National Park, with three daily summer flights (end May through September) to and from Salt Lake City, UT, with SkyWest/Delta. Closes in winter.
Car Rental in West Yellowstone

Budget

Also has a branch at Yellowstone Airport.
Car Rental in West Yellowstone

Big Sky Car Rentals

Bus in West Yellowstone

Karst Stage