United is going head-to-head with Southwest in this new domestic offer. Flights to Orlando, Phoenix, San Francisco, and Washington, D.C., are included. Book tickets by May 14.
Delta's new sale competes with many of the fares included in AirTran's latest offer. Flights between Atlanta and Boston, Charleston, Orlando, and other cities are included.
Spirit's new offer includes flights to Ft. Myers, Orlando, the Bahamas, Puerto Rico, and more. Book tickets by Thursday, April 30, for travel into September.
