Update: this popular deal may have sold out. See more deals >
Frontier has released a rare discount coupon offer today. You can save either 20% or 15% on the price of a round-trip fare, but you have to book before midnight. Just book your tickets at jetblue.com/promo and use one of the the following codes:
To save 20%, use the promo code SPRING20. You can fly May 1 through May 23.
To save 15%, use the promo code SPRING15. You can fly May 28 through June 16.
Read the full details here. Note that these codes are valid for round-trip bookings only, and don’t forget to book before 11:59pm ET tonight.