How to upgrade on air France A few possibilities exist for upgrading on Air France. First, while making your reservation, you can look for upgrade offers or manage your reservation online. You can also raise your ticket class with Flying Blue Miles. Upgrades could be provided without charge to Flying Blue Elite members. A different choice is to compete in the Upgrade Challenge programme run by Air France. Finally, if there are any last-minute upgrades still available, you can ask about them at the airport. It's vital to keep in mind that upgrading options are constrained and that costs or restrictions could apply based on the price and location.