Look at this one:
http://www.jochen-schweizer.de/geschenke/weltraumflug,default,pd.html
Yeah it's german.
But with a bit of school german , and/or google Translator, you will figure it out .
jochen schweizer . de is a page that sells extreme sport trips, like
driving quads in the arctic and so on.
Well he also gives you the opportunity to buy a "space trip" .
The price description is: "Price if Demanded" (something like that.)
Well i'd do that, but even flying an MIG 29 costs 14.000 € .
That space expedition probably costs a mountain of paper.