For public transport in Barcelona the subway is the ideal solution, it is cheap and takes you everywhere you want to go. The Barcelona metro system is famous because of its convenience. It takes you to every corner of the city without planning your route over and over again. The Barcelona metro system is structural and easy to understand.
Metro tickets are 1.30 euro per journey, as long as you stay underground you can travel as many stations and directions as you want. If you take more than 10 journeys on the metro or buses, it is more economical to buy a T10 card.
A Barcelona T10 card gives you 5.80 euros 10 journeys on the metro, FGC run rail trains similar to the metro lines in the city, buses, tram and RENFE in one particular zone.
The card is only valid for one Zone; you can also buy a T10 card for one of the other zones in Barcelona. But it s recommended to buy it for zone 1; all the major attractions of Barcelona are located in Zone 1.
A T10 card costs 7.20 euros and saves you on ten rides within the Barcelona metro . You can buy the T10 card in every Barcelona metro station . It is also possible to buy it at the airport. Please note that the T10 card is not valid on the Aerobus, the express bus from Barcelona airport to the centre of the city.