At each station of the metro and FGC, you can buy tickets either at ticket machines or ticket booths. The machines can also be operated in English. In the bus you can only buy single tickets from the driver. With the tickets bought on the bus you can change to other buses, but not to the metro.
Does Barcelona use Uber?
Complete your plans today by reserving a ride with Uber in Barcelona. Request a ride up to 30 days in advance, at any time and on any day of the year.