Cheapest one-way flights from Sao Paulo to Buenos Aires in December from $86

AirHint found the following cheapest one-way flights from Sao Paulo (GRU) to Buenos Aires (AEP) in December 2025 (see full year).

One-Way flights

01 Dec Aerolíneas Argentinas direct
07 Dec Aerolíneas Argentinas direct
16 Dec Aerolíneas Argentinas direct
09 Dec Aerolíneas Argentinas direct
17 Dec LATAM Airlines Group direct
10 Dec LATAM Airlines Group direct
14 Dec LATAM Airlines Group direct
13 Dec LATAM Airlines Group direct
15 Dec LATAM Airlines Group direct
11 Dec LATAM Airlines Group direct

Also check the deals for return 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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