Denver-based Frontier Airlines is taking Colorado residents under its wing and offering a special program for those living in the Centennial State. Members who enroll in Frontier’s Colorado Club will receive 1,000 bonus miles every time they refer someone who flies to a Colorado destination. Each Colorado Club member can refer up to 10 travelers and receive a total of 10,000 miles. Plus, each referred traveler will earn double miles on their flight to Colorado. In the future, Colorado Club members will receive other special offers and incentives. To participate in the program, you must be a resident of Colorado and register by June 30, 2009. Qualifying travel includes flights to all of Frontier’s Colorado destinations: Aspen, Colorado Springs, Denver, Durango or Grand Junction. Travel must be booked by June 30 and completed by Sept. 30, 2009. To enroll, visit http://www.FrontierAirlines.com/coloradoclub