Cheapest one-way flights from Rio De Janeiro to Buenos Aires in December from $107

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

One-Way flights

05 Dec LATAM Airlines Group
31 Dec LATAM Airlines Group
03 Dec LATAM Airlines Group
02 Dec LATAM Airlines Group
06 Dec LATAM Airlines Group
24 Dec LATAM Airlines Group
07 Dec LATAM Airlines Group
30 Dec Azul Airlines
01 Dec LATAM Airlines Group
18 Dec LATAM Airlines Group

Also check the deals for return 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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