Flying Blue is the loyalty program of Air France and KLM Royal Dutch Airlines, and allows members to earn and redeem miles for flights on these airlines as well as partner airlines.  Air France and KLM are part of the The SkyTeam Alliance which includes airlines such as ITA Airways, Air Europa, Delta Air Lines, Korean Air, Aerolineas Argentinas, Saudia Airlines and more. The estimated value of AirFrance/KLm mile is about 1.3 cents.