Airfare prediction website

There is an airfare prediction website called Farecast. It's a service that is designed to save you money by predicting whether airfares will rise or fall, helping you decide when you should buy your plane ticket.

They have 55 origination cities with many more destination cities. Unfortunately my city, Kalispell, is not one of the cities even though we are connected to one of the origination cities, Minneapolis/St. Paul. Maybe some day...