Update: this popular deal may have sold out. See more deals >
Frontier has posted a wide-ranging domestic fare sale, with cheap flights right across the country starting at $108 round-trip. These are the rules:
– You can fly August 20 through December 18.
– The cheapest fares are on Tuesdays, Wednesdays and Saturdays. No travel on Sundays.
– Sale fares are one-way only; round-trip purchase not required.
– 21-day advance purchase required.
– No travel August 29-30, September 2, November 23-27, and November 30 – December 2.
– Book flights by 11:59pm ET June 27.