If you are travelling
to Oisans, Southern Alps or Vercors
Grenoble airport if really the best option in the Alps.
Grenoble airport is served by the
major low-cost airlines (Easyjet, Ryanair, Transavia, Wiz, Lot charter, Aurigny.com, SevenAir ...) so thousands of tourists fly there to go to Belledonne, Tarentaise and Maurienne ski resorts.