Bozeman Airport is about 50 minutes from Big Sky resort, from here there are transfers run by Karst Stage or Classic Limo who will get you to resort. If you would prefer to hire a car, then follow the driving directions below from the airport.
Exit airport, and turn right onto Frontage Road for 1.4 miles. Then turn left onto Jackrabbit Lane, and continue for 7.5 miles. You will come to a four-way stop (called Four Corners) Jackrabbit turns into Hwy 191. Go straight through the light and drive 34 miles up the Gallatin Canyon. When you get to the entrance to Big Sky ther is a traffic light, take a right and head up one mile to the Meadow Village, two miles to the Big Sky Town Center, or 9 miles up to Big Sky Resort and Moonlight Basin.