Update: this popular deal may have sold out. See more deals >
Frontier has released a 20% discount coupon that’s valid until midnight. To redeem the offer, just book your flights at the airlines’s website and enter the promo code TWENTY.
These are the rules:
– You can fly October 23 – December 18.
– No travel November 21 – 26 and November 29 – December 1.
– Code is valid for both one-way and round-trip fares.
– Code is valid for both regular and sale fares.
– Discount is taken from your base fare only; taxes and fees added separately.
– The code expires at 11:59pm PT tonight.