What is theAverage cost of launching a space shuttle?

The average cost of a space shuttle launch is approx $450 million. That is if we limit our costs to the resources used up by each launch and we ignore the investment costs.

If we want to include investment costs then, with the entire space shuttle programme, costing somewhere in the region of $150 billion and there being something like 125 full launches we get an average cost of approx $1.2 billion, you would be pretty safe to say that each launch has cost the USA somewhere between $1 billion and $1.5 billion.