If you are travelling by plane, a bus service ensures daily transfers from the different airports in the region (Geneva, Lyons, Grenoble and Chambéry) toward the ski resorts of the 3 Vallées.
For Geneva and Chambéry airports, you can check the timetables and reserve your tickets directly online on:
www.altibus.com
For Lyons Students Exupéry airport, you can check the timetables and reserve your tickets directly online on:
www.satobus-alps.com
For Grenoble domestic airport, you can check the timetables and reserve your tickets directly online on:
www.agbus.fr