• The best way from airport is bus or subway.
• There is a bus called AEROBUS (A1) which starts 06:00 am in the morning & runs every 5 minutes & takes half an hour till Plaza Catalunya which is last stop & from plaza we are like 5-7 minutes walking distance down towards La Rambla.
• You can also use subway from airport till main train station Estacio de Sants and from Estacio de Sants you have to change the line till station Liceu L3 or station Plaza Catalunya L1.