Frontier Airlines sale is a good one

You have until 9.59 pm Mountain Time, Aug 5 to purchase these fares, which are valid for travel through Jan 5 2010. Fares range from $34 to $84 each way, and can be bought one way or round-trip. Travel Mon-Thu and Sat at the lowest fares, with the following blackout dates (when fares will be higher): September 3-4; and 7; Nover 24-25 and 28-30; Dec 18-19, 22-24, 27-29 and 31; and Jan 2-3.  Fares are listed below.