In reply to andy: Still struggling to fill this - so the deal is now:
We have two flights booked from Leeds at £110 each. it appears these can be transferred to someone else for £70 a pop - so the flights are £180. We'll let the room go for £450 a head for two people, £400 a head if there's three.
So a couple or two friends can get a week's chalet holiday at Feb half term for £630 each including flights and transfers.
Bargain...