If your trip to Barcelona Airport (BCN-Barcelona Intl.) is all booked but your travel itinerary is a bit on the empty side, let us give you a few hints and tips.Stay in the airport or get out and explore the sights? We know which we'd choose. It's definitely worth taking the short commute over to Fira Barcelona.Travelers from all over the place come to see Poble Espanyol, so make it one of your first stops after you touchdown. Also worth a look are Castelldefels Beach and Palau Sant Jordi.