Cheapest return flights from Sao Paulo to Buenos Aires in December from 331€

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

07 Dec - 14 Dec Aerolineas Argentinas direct
20 Dec - 25 Dec LATAM Airlines Group
03 Dec - 07 Dec Aerolineas Argentinas direct
22 Dec - 13 Jan LATAM Airlines Group direct
23 Dec - 13 Jan LATAM Airlines Group direct
22 Dec - 29 Dec LATAM Airlines Group
19 Dec - 26 Dec LATAM Airlines Group direct
05 Dec - 11 Jan LATAM Airlines Group
25 Dec - 07 Jan LATAM Airlines Group direct
29 Dec - 03 Jan Aerolineas Argentinas direct
01 Dec - 06 Dec LATAM Airlines Group direct
10 Dec - 16 Dec Aerolineas Argentinas direct
11 Dec - 18 Dec Aerolineas Argentinas direct
29 Dec - 22 Jan LATAM Airlines Group direct
08 Dec - 17 Dec Aerolineas Argentinas direct
11 Dec - 17 Dec Aerolineas Argentinas direct
26 Dec - 05 Jan Aerolineas Argentinas direct
26 Dec - 02 Jan Aerolineas Argentinas direct
10 Dec - 19 Jan Aerolineas Argentinas direct
05 Dec - 11 Jan Aerolineas Argentinas direct

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

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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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