Frontier Airlines Discount Den Holiday 2020 deal: Get a $50 off voucher when you sign up

This December, Frontier Airlines has a special deal for all their customers: For a limited time, visit their official website and follow the on-screen instructions to sign up to the Discount Den program to receive a 50% off voucher! Voucher will be sent to your email on January 6th, 2021. Offer will be valid through December 29th, 2020. Terms and conditions apply.