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

Return flights

15 Dec - 31 Dec	JetSmart
02 Dec - 05 Dec	Flybondi
18 Dec - 31 Dec	JetSmart
03 Dec - 10 Dec	JetSmart
18 Dec - 06 Jan	JetSmart
19 Dec - 05 Jan	JetSmart
07 Dec - 14 Dec	JetSmart
02 Dec - 02 Dec	JetSmart
12 Dec - 17 Dec	JetSmart
15 Dec - 26 Dec	JetSmart
15 Dec - 22 Dec	JetSmart
15 Dec - 29 Dec	JetSmart
31 Dec - 06 Jan	JetSmart
22 Dec - 09 Jan	Flybondi
18 Dec - 07 Jan	JetSmart
15 Dec - 05 Jan	JetSmart
15 Dec - 01 Jan	JetSmart
17 Dec - 06 Jan	JetSmart
18 Dec - 05 Jan	JetSmart
18 Dec - 01 Jan	JetSmart

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

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 December from 257€

Return flights