Update: this popular deal may have sold out. See more deals >
Frontier has released a 20% discount coupon that’s valid until midnight tonight. Just book your flights at the airline’s website and enter the promo code RGIFT2U.
These are the rules:
– You can fly July 12 through December 12.
– The code is good for both one-way and round-trip bookings.
– The code is good for both regular and sale fares.
– The discount is taken from your base fare only; taxes and fees added separately.
– All normal fare rules apply.
– The code expires 11:59pm ET tonight.