Frontier Airlines and Southwest Airlines are having airfare sales for travel from Denver through the winter months.
On Frontier, travel to Las Vegas and Phoenix for as little at $58 one-way, travel to Dallas starting at $78 one-way. Check out the rest of the sale at Frontier Airlines.
Southwest Airlines is offering sale fares to numerous U.S. destinations. For example, fly Denver to Albuquerque for as little as $104 one way and and to Burbank starting at $94 one way. Find out about the other great deals at Southwest Airlines.