How to Bid on Spirit Seats? Spirit Airlines seat bid allows you to go from the lower cabins to the higher cabins.They offer a number of seating options because travelers can experience a streamlined trip even by spending less. you can purchase seat upgrades, like the "Big Front Seat," during booking or by managing your reservation online. If you are facing issues related to spirit seat bid,then connect with customer service https://www.apsense.com/article/812269-how-to-bid-on-spirit-seats.html