Cheapest return flights from Sao Paulo to Buenos Aires in January from $343

Best time to book flights for Sao Paulo (GRU) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Sao Paulo (GRU) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

02 Jan - 11 Jan Aerolineas Argentinas direct
04 Jan - 11 Jan Aerolineas Argentinas direct
07 Jan - 13 Jan Aerolineas Argentinas direct
05 Jan - 12 Jan Aerolineas Argentinas direct
08 Jan - 13 Jan Aerolineas Argentinas direct
07 Jan - 11 Feb LATAM Airlines Group
06 Jan - 11 Feb LATAM Airlines Group
08 Jan - 11 Feb LATAM Airlines Group
09 Jan - 16 Jan Aerolineas Argentinas direct
19 Jan - 26 Jan Aerolineas Argentinas direct
22 Jan - 19 Feb Aerolineas Argentinas direct
07 Jan - 11 Feb Aerolineas Argentinas direct
06 Jan - 11 Feb Aerolineas Argentinas direct
08 Jan - 11 Feb Aerolineas Argentinas direct
20 Jan - 24 Jan Aerolineas Argentinas direct
15 Jan - 19 Jan Aerolineas Argentinas direct
26 Jan - 30 Jan Aerolineas Argentinas direct

Also check the deals for one-way flights from Sao Paulo to Buenos Aires in January.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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