Most important European cities are served by many airports, which could all be handy - so increasing your search can net you a better ticket cost. Do be cautious, as some price range airlines will charge a payment for almost any changes. Flag carrying airlines like British Airways often release https://bookmarkproduct.com/story19677710/new-step-by-step-map-for-how-to-find-cheap-flights-to-europe-from-the-us