Updated Articles

  1. Can I extend the validity of my voucher?

    Last Updated: 02/20/2026 in Vouchers
    Vouchers are not eligible for extensions. Most vouchers are valid for 90 days from the issue date and must be redeemed before they expire. Although they must be used before they expire, you can book travel as far out as Frontier’s schedule allows....

  2. Can I apply my voucher to an existing reservation?

    Last Updated: 02/20/2026 in Vouchers
    Vouchers can only be used at the time of booking and can’t be applied to an existing reservation.

  3. Where can I find my Voucher number?

    Last Updated: 02/20/2026 in Vouchers
    Your  17-digit voucher number  is included in the email sent by Frontier after your original booking. Here’s how to find it: • Check the inbox linked to your  Frontier Miles account  or the one used when booking • Search for the s...

  4. How do I use a Voucher?

    Last Updated: 02/20/2026 in Vouchers
    You can redeem your voucher when booking your flights on flyfrontier.com  or in the Frontier app . At the payment screen, select “Frontier Voucher” and enter your voucher number. Keep in mind: Vouchers are valid for 90 days from the issue da...

  5. I am having trouble logging into my account, what do I do?

    Last Updated: 02/20/2026 in My Account
    No worries—it happens! You can reset your password  on the website or in the app : • Select  Log in or sign up . • Tap or click  Forgot Password? • Enter the  email address  or  FRONTIER Miles number  linked to your account. ◦ Not sure if ...

  6. How do I update my payment information?

    Last Updated: 02/20/2026 in My Account
    Keeping your payment info up to date makes booking flights and renewing your Discount Den® membership quick and easy. Here’s how to do it:  On the Frontier Website Go to Log in Page Enter your login details Once logged in, click your na...

  7. How do I cancel my Discount Den Membership?

    Last Updated: 02/20/2026 in Discount Den
    You may cancel your Membership in DISCOUNT DEN® at any time by selecting the unsubscribe option within your FRONTIER Miles account profile on the Site. Go to Flyfrontier.com, click on the “Account Sign In” link, and log in to your account. Then cl...

  8. How do I sign up for Discount Den?

    Last Updated: 02/20/2026 in Discount Den
    To sign up for Discount Den, visit the Discount Den Sign up page . Fill out the required information, including:  Email address and password  Contact details (name, date of birth, phone number, address) Payment information  Re...

  9. My kid just turned 15 yesterday and we are booking flight today, do they qualify for Kids Fly Free?

    Last Updated: 02/20/2026 in Discount Den
    Unfortunately, they do not qualify. They must be 14 years of age or younger at the time of the booking to qualify for the Kids Fly Free program.

  10. How does Kids Fly Free Work?

    Last Updated: 02/20/2026 in Discount Den
    Kids Fly Free is a special benefit for Discount Den® members. When you book an eligible flight, one child under 15 can fly for free with every adult Discount Den fare purchase. The child must be on the same reservation as the adult, and the offer ...