There are multiple driving routes into Crested Butte, some are only open in the summer.
You can fly to Gunnison, Colorado (GUC) and rent a car or take the shuttle from the airport up to the hotel (40 min drive from the hotel). Additional flights into nearby Montrose airport (MTJ) are about a 1 and 45 mins drive from the hotel.
The shuttle services to and from the airport are:
Dolly's Mountain Shuttle – 970-209-9757
Alpine Express – 970-209-0509
For transportation between the hotel and the town of Crested Butte, Mountain Express is a complimentary shuttle that runs from 7 am til midnight year-round.