It depends on which part of the country your livin in. Its approximately �25-�30. Make sure you go to a cleaners that offer specialist leather cleaning, such as prim or johnsons.
I found a company online (Spotlessleather.com) and they have an Online cleaning service. Just pick the style of jacket and it will tell you what the cost is to not only clean it but to actually restore it to a like new condition. I have used them and they are very nice priced way below what you would think and it gets delivered right to your door. Check them out!