Rail travel is an option worth looking at to get to the South of France.
Eurostar. (tel 08705186186) Website : www.eurostar.com
From St Pancras, Ebbsfleet and Ashford to Paris, Lille, Disneyland Paris and Avignon Prices from £59 return to Paris and can b booked upto 120 days ahead. Through fares are now available from most major UK rail stations.
Rail Europe (tel 08448484064) Website : www.raileurope.co.uk
Rail Europe sells French rail passes for TGV and can be linked in with Eurostar travel. An example being Eurostar and TGV from London to Bordeaux for £99 return pp. Again booking ahead will give the best deals.
French Motorail (tel 08448484050) no website info available. French Motorail offer travel from Calais to South France