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

Return flights

29 Aug - 05 Sep	Aerolineas Argentinas
26 Aug - 14 Sep	JetSmart
26 Aug - 01 Sep	JetSmart
26 Aug - 02 Sep	JetSmart
27 Aug - 14 Sep	JetSmart
27 Aug - 01 Sep	JetSmart
27 Aug - 02 Sep	JetSmart
25 Aug - 14 Sep	JetSmart
25 Aug - 01 Sep	JetSmart
25 Aug - 02 Sep	JetSmart
21 Aug - 31 Aug	JetSmart
20 Aug - 27 Aug	Flybondi
24 Aug - 29 Aug	JetSmart	direct
26 Aug - 29 Aug	JetSmart
27 Aug - 29 Aug	JetSmart
25 Aug - 29 Aug	JetSmart
21 Aug - 30 Aug	Aerolineas Argentinas
15 Aug - 22 Aug	Aerolineas Argentinas
19 Aug - 28 Aug	JetSmart
19 Aug - 24 Aug	Flybondi

Also check the deals for one-way flights from Mendoza to Rio De Janeiro in August.

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 August from $269

Return flights