Frontier will offer a 15% discount on domestic fares to/from BLI, PDX, SEA and GEG from Monday, April 16, 2012, through 11:59 p.m. Eastern time, Tuesday, April 17, 2012. Alaska travel is excluded. The discount will apply to regular and sale fares for travel through June 13, 2012. All fare rules will apply.

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