Update: this popular deal may have sold out. See more deals >
The latest Frontier sale lets you fly to 15 destinations in the Midwest, departing airports right across the country. A total of 45 domestic routes are on sale, starting at $170 round-trip. These are the rules:
– You can fly now through May 22.
– No Sunday flights.
– 14-day advance purchase required.
– Sale prices are one-way only; round-trip purchase not required.
– No travel on March 15-17, 22-24, 28-31, and April 5-7.
– Book flights no later than 11:59pm ET February 7.