“Airfare Predictions, Find Cheap Flights, Airline Tickets”

“Farecast (tags: travel)”

“cool tool for finding the best time to buy a airline ticket”

“Great blog that covers the range of workplace dysfunction. Enjoyable reading!”

“know when to buy -- airfare predictions, when fares will go up and when they're go down (J, check this out -- US only but still a VERY cool site!)”

“is an airfare pricing comparision tool that also uses a predictive algorithm to recommend when you buy your ticket.”