Between CHAMBÉRY VOGLANS airport and Valmeinier, you can pick up taxis : https://www.chambery-airport.com/fr/parking-acces/taxis
From GRENOBLE SAINT GEOIRS,taxis and transportation following your request : https://www.grenoble-airport.com/fr/parking-acces/taxis-et-transports-a-la-demande
At GENÈVE airport, possibility to pick up a train until Chambéry :https://www.sbb.ch/fr/acheter/pages/fahrplan/fahrplan.xhtml
At TURIN airport, possibility to hire a car : https://www.aeroportoditorino.it/en/tomove/parking-transport/car-hire
From GRENOBLE SAINT GEOIRS,taxis and transportation following your request : https://www.grenoble-airport.com/fr/parking-acces/taxis-et-transports-a-la-demande
At GENÈVE airport, possibility to pick up a train until Chambéry :https://www.sbb.ch/fr/acheter/pages/fahrplan/fahrplan.xhtml
At TURIN airport, possibility to hire a car : https://www.aeroportoditorino.it/en/tomove/parking-transport/car-hire