Frontier Airlines Christmas Day sale offers 90% off base fares for Mon-Thu nonstop flights for select routes traveling Jan 8-Feb 13 and $34 tickets for Tuesday and Wednesday flights. This sale ends 11:59pm ET Dec 25.
Monday Jan 15 is excluded from sale.
Use promo code: GIFT.
It can be hard to evaluate Frontier fare deals since they have promotions nearly every week. I see lots of $35 fares for different routes in this Christmas Day sale, however, there are many excluded routes.
I initially checked Las Vegas – Miami, a Frontier Airlines ticket I snagged for $57.44 round trip in mid-November during a 99% off sale, but that is one of the excluded routes during this Christmas sale.
Still, there are many routes on sale and these might be the best value tickets for a trip you want, even if you pay for a checked bag and seat.