Most easy and comfortable way to get to the city centre.

The trip costs around 30 -40 €.

From the airport to the city centre. Single ticket costs 2,40 €, multi-trip ticket (T-casual 10 trips) 11.35 € .

The trains leave every 30 minutes and offer connections with the metro stations of “Sants Estació” (blue line – L5), “Passeig de Gràcia” (yellow line – L4) or "Clot" (red line - L1).

The journey time is about 25 minutes. 

http://www.renfe.com/viajeros/cercanias/barcelona/index.html

Aerobus. From the airport to the city centre, Plaça Catalunya.

Tickets cost 5,65 € and the journey time is about 30 minutes. 

http://www.aerobusbcn.com/