Upgrading with Air France can be tricky. Free Air France upgrades are rare and usually not offered to Economy passengers. However, you can sometimes upgrade to Premium Economy, Business class, or La Première, but not First Class. Here’s a summary of the rules and steps for an Air France Upgrade, highlighting benefits like lounge access, extra baggage allowance, comfortable seats, priority boarding, and premium services on board https://skybluetrips.com/upgrade-air-france/