From Barcelona’s El Prat (BCN) airport:
Option 1 (Day option): use train R2 Nord. Change at El clot Metro station to line 2. Get off at Encants Metro station and follow directions ‘from Encants’.
Option 2 (night option): use the bus (Aerobus) to plaza Catalunya. From plaza Catalunya take the bus N9 to Encants Metro station then follow directions ‘From Encants Metro station’.
From Encants Metro station:
Graffiti Hostel is just 2min’s walk from Encants Metro station. Exit the station to the right. Walk down carrer del Dos de Maig, the hostel is located at the corner of carrer del Dos de Maig and carrer D’Arago above a shop called La Fruteria.
If you want to take a bus from within Barcelona, you can use any of the following: Numbers 43, 34, 33 and 44. Night buses N3 and N9 take you to the hostel too.