Cheap Ski Deals

Ideally I'd like a hotel (half board) for 4 adults for about £ 500 each, including packages, flights, transfers and rental of ski equipment.

Try Flaneo is French
http://www.flaneo.com

I guess it depends on where you want to go. The last time I booked my ski holiday, I used ... http://www.gcodes.co.uk/crystal_holidays site to find cheap ski deals last. In the end, it proved to be quite a bargain. I hope this helps!