Cheapest return flights from Rio De Janeiro to Buenos Aires in December from $395

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

Return flights

01 Dec - 05 Dec LATAM Airlines Group
19 Dec - 04 Jan LATAM Airlines Group
01 Dec - 10 Jan LATAM Airlines Group
18 Dec - 04 Jan LATAM Airlines Group
25 Dec - 01 Jan LATAM Airlines Group
29 Dec - 04 Jan LATAM Airlines Group
27 Dec - 02 Jan LATAM Airlines Group
25 Dec - 03 Jan LATAM Airlines Group
26 Dec - 02 Jan LATAM Airlines Group
21 Dec - 11 Jan LATAM Airlines Group
28 Dec - 03 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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