How do I join the FREE SPIRIT frequent flier program?
posted this on April 23, 2012 04:00 AM
Simply fill out the FREE SPIRIT membership form online. It’s free to join! As a new member, you will receive a welcome email with your FREE SPIRIT account information soon after signing up. You automatically become a member when you first book a flight with us at spirit.com. Not only does it make it easier to manage your reservations and book future flights, it also ensures that you receive mileage credit every time you fly.