Save on spring/summer travel with the current 15% off promo sale from Frontier.
Travel periods will vary by route, ranging from April 5 through May 24, and again from August 16 through October 26. Be sure to check our fare details for specifics.
Enter promo code SAVE15 when booking to apply discount to the base fare.
Tickets must be booked by 11:59pm ET, March 7.
Fares are nonstop and include: