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

Return flights

07 Sep - 12 Sep	JetSmart	direct
27 Sep - 07 Oct	JetSmart
27 Sep - 05 Oct	JetSmart
07 Sep - 14 Sep	JetSmart
28 Sep - 05 Oct	Aerolineas Argentinas
04 Sep - 14 Sep	JetSmart
04 Sep - 07 Sep	JetSmart
27 Sep - 13 Oct	JetSmart
27 Sep - 17 Oct	JetSmart
27 Sep - 16 Oct	JetSmart
22 Sep - 07 Oct	JetSmart
05 Sep - 07 Sep	JetSmart
05 Sep - 16 Sep	JetSmart
27 Sep - 14 Oct	JetSmart
26 Sep - 07 Oct	JetSmart
28 Sep - 07 Oct	JetSmart
10 Sep - 14 Sep	JetSmart
04 Sep - 16 Sep	JetSmart
01 Sep - 14 Sep	JetSmart
01 Sep - 02 Sep	JetSmart

Also check the deals for one-way flights from Mendoza to Rio De Janeiro 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 Mendoza to Rio De Janeiro in September from $280

Return flights