Why not consider carpooling, download the Klaxit app Klaxit
Direction : Take the A40 motorway towards Geneva/Chamonix and exit at junction 19: Flaine - Les Carroz. Then take the 205 national road towards Sallanches, at the roundabout, take the D6 road toward Les Carroz and Flaine.
To work out your route, Flaine has already been set as your destination on google maps:
- Google map
- Via Michelin