Flying Blue is the frequent flyer program of Air France and KLM. You can earn and redeem award and status miles on Air France, KLM and all SkyTeam airlines.
There are three frequent flyer tiers with Flying Blue. Silver (SkyTeam Elite) is available for 100 Experience Points (XP), another 180 XP are required for Gold (SkyTeam Elite Plus), and for altogether 580 XP your will obtain Platinum (SkyTeam Elite Plus). Award miles expire after 20 months unless a qualifying flight (= miles are credited) has taken place. The award miles are valid from the last flight for 20 months starting from your last flight. Tier miles expire at the end of each calendar year.