The taxes and fuel surcharges on such tickets can be somewhere in the vicinity of $ 500. (johnnyjet.com)
There are currently approximately 30,000 people in the world worth $ 100 million or more who could purchase such a ticket. (commercialspaceflight.org)
Of course you will need a valid passport and either a match ticket or «a document providing the right to receive such a ticket» — an email confirmation will do. (thetravelmagazine.net)