You can choose any way to cancel your flight according to your convenience. Hence, here are the simple steps which you can follow for your flight reservations.

Can I contact Air France by email? You can contact our agents by phone at 1-877-681-0056 / 888-5SAPHIR or by email at [email protected].

Air France Cancellation Policy Overview
As per the Air France cancellation policy, the passengers can make the cancellations for free within 24 hours of the ticket booking. They must make the bookings at least a week prior to the departure date.
If the passengers cancel their tickets within 24 hours, an Air France refund shall be initiated. However, any delay in the time would result in the passengers paying the cancellation charges.
Air France cancellation can be done in various ways, online as well as offline. If the passengers wish to make the cancellation in the easiest way possible, they must stick to the changes via the source of booking.
If the passengers have booked their round tickets, they can make cancellations to the one-way tickets. The airline would only charge for one-way cancellation and not for the entire ticket.
If the passengers are involving any third party in the booking process, they would have to make the cancellation in the same way. The airline would not allow them to make the changes directly via the web.
Air France would only make the refund if the passengers have purchased a refundable ticket. In case of any non-refundable ticket, the passengers would not be reimbursed by the airline.