Ryanair or Easyjet in to Paris. Channel tunnel as a 2nd choice....forget the ferry unless you really want to see the Dover cliffs. Its slow and not that cheap especially if your only going to be there for a short time.

Trackday scene in the UK is MASSIVE and there are lots of companies that hire cars for trackdays and there is a huge choice of driving experience companies.

http://bookatrack.com/-pb_Track-Car-Hire?54

http://www.palmersport.com/

....Are the best, not cheap but its for a reason.

At the other end of the scale you can spend a small amount of money for a brief go in a car... http://www.everymanracing.co.uk/expe...xperience-days

I sent my missus to this joint for a supercar day some years back and although she didnt get a lot of time in the cars she had a ball.