Here is a larger, more detailed map.
The closest airports are in Lyon and Geneva. Geneva is about 112 miles and Lyons is 137 miles from the resort (about a three-hour drive). Rail transport via TGV is quick and easy from Paris to Bourg-St. Maurice, where a bus takes you to the resort.
Driving from Geneva, take A41 to Annecy; then N90 to Al-bertville; follow the signs to Bourg-St. Maurice and on to Val dIsère. From Lyon, take autoroute A43 to Albertville and on to Val dIsère. Direct bus service leaves from Geneva airport three or four times a day and there is weekend service from Lyon Airport to Val dIsère.