Well if you fancy a trip around the moon, flights are booking now…
http://www.spaceadventures.com/experiences/circumlunar-mission/
As Soyuz was originally built to go to the moon it’s technically feasible, and the company has already brokered several private trips to the ISS, so they have a track record. As to the cost – I think the figure being quoted was in excess of one hundred million dollars per seat – and that was a few years ago.
As I recall it was rumoured at one point that James Cameron, the film director had his name down. I guess in terms of making a film of the journey, he could probably turn a profit on it.