Lots of new sales released today, including the usual Tuesday deals from AirTran. Their latest sale is valid for travel through November 16, with the lowest fares available on Tuesdays, Wednesdays, and Saturdays. Tickets require a 10-day advance purchase. Avoid blackout dates on April 2, 3, May 28, 31, June 18-20, 25-27, July 2, 3, 5, 9-11, 16-18, 23-25, 30-31, August 1, and 6-8.
Also new, Frontier's sale is good for off-peak travel Tuesdays, Wednesdays, and Saturdays, through June 9. Fare must be purchased by 11:59pm ET, March 26, and require a 14-day advance purchase. Beware of blackout dates May 27, 28 and 31. Take note of their seasonal service schedule: Milwaukee-St. Louis service begins March 1; Milwaukee-Raleigh/Durham service begins April 1; Louisville, KY service begins April 19; Denver-Anchorage, Denver-Fairbanks and Denver-Jackson Hole service begin May 14. Non-stop service Denver to/from Green Bay, WI; Branson, MO begins April 20; Non-stop service Denver to/from Newport News, VA and Madison, WI begins May 3; non-stop service Denver to/from Grand Rapids, MI; and Long Beach, CA begins May 14; non-stop service Denver to/from Santa Barbara, CA begins June 4. Denver-Fargo and Denver-Tulsa service ends April 5. Kansas City-Ft. Myers, Milwaukee-Ft. Lauderdale and Milwaukee-Ft. Myers service end April 18, Denver-San Jose CA service ends May 13.
From Alaska Airlines, fly between April 6 and June 18, with fares starting at $79 one-way, before taxes. Sale fares are valid for travel Tuesdays through Thursdays, as well as Saturdays. Tickets require a 14-day advance purchase, and must be booked by April 2. Visit their sale page for more info.