Originally Posted by
CPMaverick
The
ITA route language lets you specify a hub you want to fly through.
You can also use KAYAK, I believe that they let you select a hub with a checkbox.
Thanks for linking to my post! If ITA still proves too complicated (not everyone needs that much power) I also recommend Hipmunk, which includes many ITA features in a more user-friendly interface. They also have live tech support during business hours if you have questions.