Significant transit hubs in Europe generally are the ones which have the cheapest fares. From my own personalized expertise, I’ve uncovered that London, Amsterdam, Frankfurt and Milan are typically cheaper to fly into than other smaller towns. Flights could be filtered by numerous variables for example airline, airport and cost; https://onelifesocial.com/story4957201/the-greatest-guide-to-how-to-find-cheap-flights-to-europe-from-the-us