Update: this popular deal may have sold out. See more deals >
Frontier is kicking off the new year with discount fares on 59 domestic routes. You can fly from $78 round-trip, subject to the following rules:
– Travel period is now through March 13.
– Cheapest flights are on Mondays – Thursdays & Saturdays.
– Sale prices are one-way only; round-trip purchase not required.
– 7-day advance purchase required.
– No travel allowed on February 14, 15, or 18.
– Book flights no later than 11:59pm ET on January 10.