I don't know much about the ticketing/touring business, but I have a feeling the band has no control over or even idea of what the prices for their shows are.
09/19 - Crowbar/Revocation
10/06 - The Black Dahlia Murder
10/14 - Machine Head/Children of Bodom
11/30 - Slipknot/Korn
12/27 - Protest the Hero