Q: Do children under the age of 4 travel free on the Barcelona Metro?
Important update: On 01 January 2020 the T10 ticket transport ticket was discontinued and replaced by the T-Casual ticket. Click here to learn more.
A: All children under the age of 4 travel for free on the Barcelona metro. However you may have to prove the age of the child which will mean carrying ID for each of your children with you.
For full terms and conditions for travelling on the Barcelona Metro I recommend you visit the following link:
We have also written a comprehensive guide to the Barcelona Metro system which you may find of value:
Hola Barcelona Travel Pass
The Hola Barcelona Travel Pass will give you unlimited travel on the Barcelona Metro including the Barcelona Airport metro line (Orange Line, L9), the Barcelona buses (TMB buses) including the TMB bus from Barcelona centre to Barcelona Airport, the tram (TRAM), the urban railway (FGC trains in Zone 1) and the regional railway (Rodalies de Catalunya trains, in Zone 1) including the Barcelona Airport RENFE R2 train. However it cannot be used on the Aerobus (the express bus service to the airport).