Purchase your tickets before September 8 as Southwest, Air Tran, and Frontier offer fall travel deals!

Southwest is offering travel deals with one ways starting at 59 dollars. Examples of 59 dollar flights include Boston to Baltimore and Chicago to Nashville among many others.

Tickets for this deal are only available on southwest.com or swabiz.com and require a ten day advance purchase.  Tickets can only be purchased for Tuesday, Wednesday, and Saturdays for travel before December 14, 2011.

Air Tran, a subsidiary of Southwest, offers a leave your cubicle behind sale, with similar rules and restrictions as the Southwest sale. For example, a one way ticket between New Orleans and Tampa costs 59 dollars, while flights between Fort Lauderdale and Atlanta cost 76 dollars.

Frontier Airlines launched their fares so low, you'll do a double take sale with one-way tickets starting at 19 dollars.  Examples of 19 fares include routes from Denver to Kansas City and Kansas City to Milwaukee. Tickets must be bought 14 days in advance to take advantage of sale. Tickets included in the deal are only for Tuesdays and Wednesdays on flights through February 15, 2012.

See each airline's website for further terms and conditions on the sales.