Cheapest one-way flights from Rio De Janeiro to Buenos Aires in October from $139

AirHint found the following cheapest one-way flights from Rio De Janeiro (SDU) to Buenos Aires (AEP) in October 2026 (see full year).

One-Way flights

17 Oct LATAM Airlines Group
15 Oct LATAM Airlines Group
08 Oct LATAM Airlines Group
13 Oct LATAM Airlines Group
27 Oct LATAM Airlines Group
21 Oct Azul Airlines
01 Oct Azul Airlines
20 Oct GOL Linhas Aéreas
05 Oct GOL Linhas Aéreas

Also check the deals for return flights from Rio De Janeiro to Buenos Aires in October.

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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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