Update: this popular deal may have sold out. See more deals >
The latest Frontier sale features cheap fares on 61 domestic routes, good for travel in late winter. The offer is subject to the following rules:
– You can fly between January 7 and February 13, on all days except Friday and Sunday.
– Sale prices are one-way only; a round-trip purchase is not required.
– You must book flights at least 21 days in advance.
– Booking closes 11:59pm ET on December 10.