Update: this popular deal may have sold out. See more deals >
Frontier Airlines has posted a new sale on domestic travel. There are only 11 routes included in the offer, but prices are better than usual. These are the rules:
– You can fly now through September 21.
– Sale fares are available every day of the week.
– Sale fares are one-way only; round-trip purchase not required.
– No advance purchase required.
– Book flights by 11:59pm ET May 12.
