Denver-based regional carrier Frontier Airlines has launched a five-day sale on flights targeted for this winter. One-way fares from Denver start at only $39 with destinations targeting Albuquerque, Salt Lake City, Chicago, L.A. and more.To purchase these cheap tickets from Frontier, you need to buy them between 9:59 pm MT on January 7 and March 10.Non-Colorado residents can also take part of they book their flights with a layover in Denver. One could book a flight in Chicago, have a small lay-over in Denver and fly Frontier to their destination. Consumers can save nearly $400.Frontier’s flights originate from Denver International Airport (DIA). Here’s a listing of some example destinations:

• $99 to Boston, Bozeman, Dayton, Des Moines, Detroit, Louisville, Milwaukee, Newport News, San Francisco, Steamboat Springs.
• $49 to Salt Lake City.

• $59 to Aspen, Austin, Kansas City, Las Vegas, Omaha, Phoenix, Tucson.

• $69 to Long Beach, Los Angeles, Minneapolis-St. Paul, Oklahoma City, Orange County, San Diego, Spokane, Wichita.

• $79 to Chicago, Durango, Indianapolis, New Orleans, Portland, San Antonio, St. Louis.

• $84 to Seattle-Tacoma.

• $89 to Billings, Branson, Houston, Nashville, Sacramento, Santa Barbara.

• $39 to Albuquerque, Colorado Springs.

• $109 to Atlanta.

• $114 to Fort Lauderdale.

• $118 to Cleveland.

• $119 to Columbus, Dallas, Tampa.

• $129 to Mazatlan, New York, Orlando, Philadelphia, Puerto Vallarta.

• $139 to Newark, Washington.

• $149 to Cozumel, San Jose (Costa Rico).

• $159 to Cancun, Ixtapa-Zihuatanejo.

• $169 to Cabo San Lucas.