Update: this popular deal may have sold out. See more deals >
Frontier is offering last-minute sale fares on 62 domestic routes, good for travel through September 21 only. They start at $118 round-trip. These are the rules:
– Sale fares are one-way only; round-trip purchase not required.
– Tuesday, Wednesday and Saturday flights only.
– 7-day advance purchase required.
– No travel August 29-30 and September 2.
– Book flights by 11:59pm ET July 25.