Overview

• From Monday 1 September, Buenos Aires provincial and CABA bus tariffs rise about 3.9% under the CPI+2% formula, with minimums at $526.13 in CABA and $529.25 in the province.
• Subte fares climb 3.87% under the automatic update published in the Boletín Oficial, taking a standard trip to $1,071 with a registered SUBE and the Premetro to about $374.85.
• National‑jurisdiction AMBA bus lines keep July’s schedule through September, leaving the minimum fare unchanged at $451.01.
• Decree 617 lifts fuel taxes, adding roughly $9.83 per liter to nafta at the pump and raising gasoil levies, while the wholesale power price increases 0.5% to $13,554/MWh; prepaid health plans rise 1.4–1.9% and private‑school fees increase 3.2% in CABA and 2.8% in Buenos Aires province.
• SUBE’s saldo negativo caps remain at $1,200 for buses, subte and Delta services and $650 for most metropolitan trains, and several banks and wallets offer capped NFC/contactless reimbursements on subte trips in September.