AirHint found the following cheapest return flights from Mexico City (MEX) to Rio Negro (MDE) in December 2025 (see full year).

Return flights

07 Dec - 10 Dec	Avianca
08 Dec - 11 Dec	Avianca
11 Dec - 14 Dec	Avianca
12 Dec - 15 Dec	Avianca
05 Dec - 11 Dec	Arajet
11 Dec - 18 Dec	Arajet
12 Dec - 18 Dec	Arajet
10 Dec - 18 Dec	Arajet
04 Dec - 11 Dec	Arajet
04 Dec - 07 Dec	Avianca
31 Dec - 09 Jan	Arajet
31 Dec - 08 Jan	Arajet
25 Dec - 08 Jan	Arajet
02 Dec - 22 Jan	Avianca	direct
08 Dec - 15 Jan	Avianca
15 Dec - 17 Jan	Avianca	direct
16 Dec - 22 Jan	Avianca	direct
30 Dec - 13 Jan	Avianca
24 Dec - 02 Jan	Arajet
25 Dec - 02 Jan	Arajet

Also check the deals for one-way flights from Mexico City to Rio Negro 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 Mexico City to Rio Negro in December from 168€

Return flights