This is something quite a few guests to Europe have no idea, but travellers flying in/out with the EU, In particular with an EU airline, have lots of rights as a result of one thing called the EU Regulation 261/2004. Do be careful, as some spending budget airlines will charge https://health-lists.com/story20258643/an-unbiased-view-of-how-to-find-cheap-flights-to-europe-from-the-us