Buenos Aires Metro fares to increase by 66 per cent June 23, 2016 | Latin America News Subterráneos de Buenos Aires SE (SBASE) has announced plans to increase the fares of the Buenos Aires Metro by 66 per cent, effective end-July 2016. After the increase, SBASE will charge a flat fare o... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password