Barcelona-El Prat Airport’ Terminal 1 is where United Airlines BCN Terminal The majority of international flights are handled at this state-of-the-art terminal, which provides seamless connectivity for travelers heading to and from Barcelona. Direct flights are offered by United Airlines between BCN and important US hubs, including Newark Liberty International Airport (EWR). In addition to effective security procedures and check-in counters, Terminal 1 offers a number of facilities, such as dining options, retail stores, and cozy lounges. United Airlines is a well-liked option for transatlantic flights to and from Barcelona because of its dependable service, which serves both business and leisure passengers.