This is one area a lot of people to Europe don't know, but travellers flying in/out in the EU, Particularly having an EU airline, have a LOT of legal rights because of one thing known as the EU Regulation 261/2004. Flights could be filtered by many aspects for instance airline, https://friendlybookmark.com/story19479305/indicators-on-how-to-find-cheap-flights-to-europe-from-the-us-you-should-know