Valmeinier is between 1h30 and 2 hours by road from :
CHAMBERY : https://www.chambery-airport.com/
TURIN : https://www.aeroportoditorino.it/en
GRENOBLE : https://www.grenoble-airport.com/
GENÈVE : https://gva.ch/
LYON : https://www.lyonaeroports.com/