Frontier will offer a 7% discount on U.S. domestic fares to/from Akron/Canton, Branson, Chicago (Midway), Columbus, Dayton, Des Moines, Detroit, Grand Rapids, Indianapolis, Kansas City, Madison, Milwaukee, Minneapolis, Omaha, Rockford, Sioux Falls, St. Louis and Wichita from Tuesday, March 20, 2012, through 11:59 p.m. Eastern time, Wednesday, March 21, 2012. Alaska travel is excluded. The discount will apply to regular and sale fares for travel through May 9, 2012. All fare rules will apply.

Tickets must be purchased online at FrontierAirlines.com using the promo code DUKE. No exceptions will be made.