Plane

 
Numerous airlines fly into Chambery, Geneva, Grenoble and Lyon including Easyjet, Jet2, Ryanair and Monarch.
St Martin is approximately one hour from Chambery airport and two hours from Geneva, Grenoble and Lyon.
Hire a car or book a transfer.
If you decide to hire a car we do have off road parking available
 
Other options are to take a bus or you can book a shared or private airport transfer,
here are some links to airport transfer operators and a transfer comparison website: