Save on spring/summer travel with the current 10% off promo sale from Frontier.
Fares are valid for travel from April 5 through August 15.
Enter promo code SAVE10 when booking to apply discount to the base fare.
Tickets must be booked by today at 11:59pm ET, January 20.
Denver to Columbus $148 round-trip
Denver to San Antonio $112 round-trip
Columbus to Las Vegas $184 round-trip
Pittsburgh to Las Vegas $184 round-trip
San Antonio to Las Vegas $130 round-trip
Colorado Springs to Las Vegas $92 round-trip
Atlanta to Pittsburgh $98 round-trip
Atlanta to San Antonio $130 round-trip
All products and services mentioned on Airfarewatchdog are independently selected by our team of expert travelers. If you buy something through our links, we may earn an affiliate commission.