Own transportation (preferable): Show bigger map.

Flying: www.transavia.com to Toulon (Hyeres) or Nice
Flying: www.ryanair.com to Marseille
The final part you can reached by train or rental car.

International train
Bus europe: www.eurolines.com

Carpooling: Indicate with your booking if you have room in your car for other passengers or if you are looking for a place.
A combination of different means of transport is also an option.