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

Return flights

03 Sep - 02 Oct	Flybondi	direct
15 Sep - 23 Sep	JetSmart	direct
02 Sep - 09 Sep	JetSmart	direct
02 Sep - 23 Sep	JetSmart	direct
06 Sep - 11 Sep	JetSmart
04 Sep - 10 Sep	JetSmart
06 Sep - 09 Sep	JetSmart	direct
04 Sep - 09 Sep	JetSmart	direct
01 Sep - 05 Sep	JetSmart
16 Sep - 26 Sep	GOL Linhas Aéreas	direct
04 Sep - 07 Sep	JetSmart	direct
15 Sep - 05 Oct	JetSmart	direct
15 Sep - 02 Oct	JetSmart	direct
25 Sep - 12 Oct	JetSmart	direct
25 Sep - 07 Oct	JetSmart	direct
25 Sep - 13 Oct	JetSmart	direct
16 Sep - 05 Oct	JetSmart	direct
16 Sep - 02 Oct	JetSmart	direct
25 Sep - 05 Oct	JetSmart	direct
25 Sep - 02 Oct	JetSmart	direct

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

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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Cheapest return flights from Rio De Janeiro to Buenos Aires in September from $208

Return flights