This is one thing many people to Europe do not know, but travellers traveling in/out in the EU, Specifically having an EU airline, have a great deal of legal rights because of some thing known as the EU Regulation 261/2004. Good luck with your hunt for cheap flights to Europe. https://bookmarkangaroo.com/story19701795/how-to-find-cheap-flights-to-europe-from-the-us-fundamentals-explained