Cheapest return flights from Rio De Janeiro to Buenos Aires in September from $234

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

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

Return flights

01 Sep - 30 Sep JetSmart direct
16 Sep - 24 Sep JetSmart direct
10 Sep - 24 Sep JetSmart direct
03 Sep - 07 Sep JetSmart
16 Sep - 26 Sep JetSmart direct
02 Sep - 07 Sep JetSmart direct
26 Sep - 29 Sep JetSmart direct
23 Sep - 30 Sep JetSmart direct
24 Sep - 24 Sep JetSmart direct
09 Sep - 23 Sep Flybondi direct
25 Sep - 07 Oct JetSmart direct
29 Sep - 03 Oct JetSmart
28 Sep - 01 Oct JetSmart direct
27 Sep - 15 Oct 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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