When you book your ticket, whether online, over the phone, or in person at the booking source, you can pay your baggage cost if you're carrying more than the allotted amount. Additionally, you can pay the baggage fee after making your flight reservations by phone, online through My Bookings, in person at the ticket office where you made your purchase, or at the airport (costliest).
You can save up to 20% on the airport fee by paying your luggage fee in advance (up to 30 hours before departure).

Yes, in addition to their regular baggage allowance, Flying Blue members (Platinum, Gold, and Silver), Sky Elite members, and Elite Plus members are all eligible for one free additional checked bag.
The following is their additional luggage allowance:
On airplanes traveling abroad. 1 additional bag, weighted by fare type
On flights within Metropolitan France, one additional bag is not to exceed 50 pounds/23 kilograms.

All missing baggage must be reported to the baggage service office at the airport or online no later than 48 hours after arrival, per Air France policy. Calling the baggage service or using the baggage search tool online will allow you to check the status of your luggage. The inventory and claim form must be filled out on the online baggage search tool if your luggage cannot be found after 72 hours of your alerting Air France. Air France will begin a compensation process and compensate you for the missing baggage based on the report you provide if it cannot be found within 21 days after your arrival, but only up to the legal limits outlined in the Montreal Convention

Except for individuals traveling on light fare tickets, lap infants, or children not occupying a seat, are entitled to a checked baggage allowance of 22 lb/10 kg, as well as one stroller and a car seat in the hold at no additional cost. Your child, however, is entitled to the same amount of checked luggage as an adult traveling in the same cabin class if you have purchased a seat for them.

You must notify AIR FRANCE KLM Baggage Service at the airport right once if your luggage is lost, delayed, or misplaced. After completing a Property Irregularity Report (PIR), you will receive a file number that will allow you to track down your bag(s) or make a claim.
Air France must be notified online (or via the mobile app) no later than 48 hours after arrival if you've left the airport. By contacting the baggage service office at the number shown in your report or using the online baggage search tool, you can find out the status of your misplaced luggage.

You must file a compensation request by completing an online declaration form within 21 days of receiving your bag if your bag was delayed and you had to spend money on clothing and toiletries. Keep the original receipts because you will need to present them as proof of your expenses.

Air France' standard checked baggage / hold luggage policy details follow:

• 2 bags standard, up to 10 bags maximum (up to 4 bags on Air France Connection)
• Maximum dimensions: 62 inches or 157 centimeters (length + width + height).
• Maximum weight: 50 pounds or 23 kilograms.

Excess baggage fees
Checking excess baggage, meaning three or more bags per passenger, on Air France flights will cost $85-$95 per bag.

Overweight baggage fees
Overweight and Oversized bags is considered any bag weighing more than 50lbs. The fees for checking overweight baggage on Air France are charged in addition to any standard, excess or oversized baggage fees. Bags weighing more than 99lbs are not accepted as checked luggage on Air France.

Oversized baggage fees
Most bags with a sum of weight, length, and height of larger than 62 inches will be considered oversized. Air France oversized baggage fees are charged in addition to any standard, excess, or overweight fee.

Yes, fees might apply. They are determined by the type of fare you purchased, your destination, if you are an active France military personnel and/or dependent, if you have status with Air France' frequent flyer program, status with an affiliated carrier, or if you have a Air France sponsored credit/charge card.