Cheapest return flights from Sao Paulo to Buenos Aires in December from 345€

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 December 2025 (see full year).

Return flights

15 Dec - 22 Dec LATAM Airlines Group
17 Dec - 23 Dec LATAM Airlines Group
17 Dec - 21 Dec LATAM Airlines Group
12 Dec - 20 Dec Aerolineas Argentinas direct
01 Dec - 10 Dec Aerolineas Argentinas direct
10 Dec - 20 Dec Aerolineas Argentinas direct
08 Dec - 17 Dec Aerolineas Argentinas direct
12 Dec - 22 Dec Aerolineas Argentinas direct
14 Dec - 23 Dec Aerolineas Argentinas direct
10 Dec - 15 Dec Aerolineas Argentinas direct

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

Skyscanner

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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