Here you can find all the information you need. On where to buy metro tickets in Barcelona, operating hours, or the difference between a day ticket and a T-Familiar.
Barcelona subway tickets can be purchased in the metro station with cash or by credit card, at a ticket machine, sometimes there is the option to buy them at the desk in the station.
There are different tickets available, each valid for a certain type of travel.
If you want to make multiple trips, then think about getting a T10 ticket. It’s cheaper than buying single tickets and you don’t need to worry about using up your ticket as it stays valid for 10 journeys. Read more about the different options and on what ticket to buy below.