Update: this popular deal may have sold out. See more deals >
Frontier is offering fall sale fares from $158 round-trip, and you can fly to 50 airports across the US. The offer is valid until midnight Thursday. These are the rules:
– You can fly now through November 20.
– Tuesday, Wednesday and Saturday flights only.
– Sale fares are one-way only; round-trip purchase not required.
– 21-day advance purchase required.
– No travel on August 29-30 and September 2.
– Book flights by 11:59pm ET July 18.