Cheapest return flights from Rio De Janeiro to Buenos Aires in September from $255

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

Return flights

25 Sep - 29 Sep JetSmart direct
25 Sep - 02 Oct JetSmart direct
25 Sep - 30 Sep JetSmart direct
25 Sep - 28 Sep JetSmart direct
23 Sep - 30 Sep JetSmart direct
25 Sep - 06 Oct JetSmart direct
26 Sep - 29 Sep JetSmart direct
30 Sep - 07 Oct JetSmart direct
27 Sep - 29 Sep JetSmart direct
27 Sep - 28 Sep JetSmart direct
27 Sep - 01 Oct JetSmart direct
26 Sep - 27 Sep JetSmart direct
27 Sep - 11 Oct JetSmart direct
25 Sep - 11 Oct JetSmart direct
29 Sep - 11 Oct JetSmart direct
27 Sep - 08 Oct JetSmart direct
27 Sep - 02 Oct JetSmart direct
27 Sep - 17 Oct JetSmart direct
26 Sep - 30 Sep LATAM Airlines Group
24 Sep - 29 Sep JetSmart direct

Also check the deals for one-way flights from Rio De Janeiro to Buenos Aires in September.

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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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