Air France allows free cancellations within 24 hours of booking if the flight is at least 7 days away.1-(888) 449-0353 (USA) or +44 (20) 39003980 (UK) After this period, fees apply based on fare conditions3. For more details, contact Air France customer service at 1-(888) 449-0353 (USA) or +44 (20) 39003980 (UK).