Cheapest return flights from Rio De Janeiro to Buenos Aires in December from $306

AirHint found the following cheapest return flights from Rio De Janeiro (SDU) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec LATAM Airlines Group
12 Dec - 15 Dec LATAM Airlines Group
02 Dec - 10 Dec LATAM Airlines Group
02 Dec - 09 Dec LATAM Airlines Group
09 Dec - 15 Dec LATAM Airlines Group
02 Dec - 05 Dec LATAM Airlines Group
01 Dec - 08 Dec LATAM Airlines Group
05 Dec - 09 Dec Azul Airlines
08 Dec - 09 Dec Azul Airlines
06 Dec - 13 Dec LATAM Airlines Group
24 Dec - 08 Jan LATAM Airlines Group
30 Dec - 05 Jan LATAM Airlines Group
24 Dec - 01 Jan Azul Airlines
28 Dec - 04 Jan GOL Linhas Aéreas
24 Dec - 04 Jan Azul Airlines
31 Dec - 04 Jan Azul Airlines
31 Dec - 05 Jan LATAM Airlines Group
29 Dec - 05 Jan LATAM Airlines Group
23 Dec - 01 Jan Azul Airlines
27 Dec - 03 Jan GOL Linhas Aéreas

Also check the deals for one-way flights from Rio De Janeiro 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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