(copied from here)


To/From To/From Promo Code Offer Dates
Los Angeles Colorado Springs DBLAX 5/18-6/30
Phoenix Colorado Springs DBPHX 5/18-6/30
Portland Colorado Springs DBPDX 5/20-6/30
Seattle Colorado Springs DBSEA 5/18-6/30
Bellingham Denver DBBLI 5/24-6/30
Bismark Denver DBBIS 5/17-6/30
Bloomington Denver DBBMI 5/18-6/30
Cedar Rapids Denver DBCID 5/17-6/30
Great Falls Denver DBGTF 5/14-6/30
Harrisburg Denver DBMDT 5/22-6/30
Knoxville Orlando DBTYS 5/15-6/30
Madison DCA DBDCA 6/7-7/7



This promotion is open to all EarlyReturns® members who register for the promotion prior to qualifying flight activity. Members must register online at FrontierAirlines.com/memberoffers, using promo code ____. Bonus mileage offer is valid for all qualifying Frontier Airlines flights between__(city)__ and __(city)__, Date – date. Members must fly on published fare tickets and request to earn EarlyReturns miles to qualify for the double miles. Classic or Classic Plus fares will also earn double miles on the base flight miles flown. Bonus miles do not count toward elite status. This promotion may not be combined with any other mileage promotion and is offered in conjunction with all program rules and procedures. Additional restrictions may apply. Frontier Airlines is the final authority on the interpretation of these rules.