What is the Best Airline for First Class Flights to Spain? Planning a trip to Spain sounds suitable to explore its rich culture with first class premium seating for stress free traveling in the air. Moreover, there are various airlines that are offering the best First Class Flights to Spain with a wide range of amenities, and those are Delta Air Lines, American Airlines, British Airways, Iberia, and some other air carriers. To know more about its offerings and further steps to make a reservation, visit the airline's official website or read the blog at the aforementioned link by FaresFirstClass. Read More: https://www.faresfirstclass.com/country/first-class-flights-to-spain