If you have made Air France reservations and worrying about seats for your flight, you shouldn't. Because the standard seats are available for all passengers without paying any additional charges while checking in online. Also, for your information, the online check-in starts 30 hours prior to the departure or at the airport.
Besides, you can select your seat in advance or upgrade Air France seat. The cost to upgrade a flight depends on your destination, travel date, and flight fare. So, it would be different for different flights and the cost will appear on the screen while you purchase the ticket from My Booking section. Moreover, you can also pay for the seat selection on Air France using your Flying Blue Miles or Blue Credits.
Aside from this, if you're wondering about the Seat Upgrade process on Air France, you can go through the steps mentioned in the next section.
When you have miles or travel points, you should use them to upgrade your flight seat. And the above procedure will help you thoroughly without any hassle. Just in case, you see some kind of problem while doing the Air France seat upgrade process, you shouldn't worry about it as the customer service team is there to help you. You can connect with them at any time as the team works around the clock. So, grab your phone and dial the Air France phone number and upgrade your seat instantly.