How Do I Request an Upgrade on Iberia? Iberia Airlines allows travelers to upgrade their flight to upper cabin class. Moreover, the airlines provided numerous options for upgrading. Passengers can make an Iberia Upgrade through options such as bidding, using Avios, or with instant purchase options. For more information on available upgrade methods, benefits, and eligibility guidelines, contact the customer service of Iberia Airlines or follow the link shared. Read more: https://groupbooking.odoo.com/blog/flight-10/how-to-bid-upgrade-on-iberia-airlines-35