Cheapest return flights from Rio De Janeiro to Buenos Aires in December from $359

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

Return flights

16 Dec - 23 Dec LATAM Airlines Group
31 Dec - 07 Jan LATAM Airlines Group
18 Dec - 24 Dec LATAM Airlines Group
24 Dec - 31 Dec LATAM Airlines Group
18 Dec - 25 Dec LATAM Airlines Group
15 Dec - 20 Dec LATAM Airlines Group
30 Dec - 06 Jan LATAM Airlines Group
17 Dec - 22 Dec LATAM Airlines Group
16 Dec - 21 Dec LATAM Airlines Group
19 Dec - 23 Dec LATAM Airlines Group
25 Dec - 27 Dec GOL Linhas Aéreas
22 Dec - 29 Dec GOL Linhas Aéreas
30 Dec - 24 Jan LATAM Airlines Group
30 Dec - 03 Jan LATAM Airlines Group
30 Dec - 10 Jan LATAM Airlines Group
30 Dec - 07 Jan Azul Airlines
30 Dec - 02 Jan LATAM Airlines Group
18 Dec - 02 Jan LATAM Airlines Group
20 Dec - 02 Jan LATAM Airlines Group
20 Dec - 05 Jan LATAM Airlines Group

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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