Cheapest return flights from Rio De Janeiro to Buenos Aires in October from $422

Best time to book flights for Rio De Janeiro (SDU) to Buenos Aires (AEP) flights at AirHint

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

Return flights

10 Oct - 25 Oct LATAM Airlines Group
07 Oct - 09 Oct LATAM Airlines Group
03 Oct - 15 Oct LATAM Airlines Group
20 Oct - 24 Oct LATAM Airlines Group
08 Oct - 17 Oct LATAM Airlines Group
10 Oct - 13 Oct LATAM Airlines Group
04 Oct - 06 Oct LATAM Airlines Group
13 Oct - 25 Oct LATAM Airlines Group
15 Oct - 27 Oct LATAM Airlines Group

Also check the deals for one-way 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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