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

Return flights

02 Dec - 06 Dec	Avianca
02 Dec - 09 Dec	Avianca	direct
09 Dec - 16 Dec	Avianca
29 Dec - 07 Jan	Avianca
02 Dec - 08 Dec	Avianca	direct
02 Dec - 22 Jan	Avianca	direct
05 Dec - 10 Dec	Avianca
04 Dec - 10 Dec	Avianca
01 Dec - 10 Dec	Avianca
03 Dec - 09 Dec	Avianca	direct
01 Dec - 09 Dec	Avianca	direct
04 Dec - 09 Dec	Avianca	direct
29 Dec - 02 Jan	Avianca
06 Dec - 13 Jan	Avianca
24 Dec - 05 Jan	Avianca
05 Dec - 13 Jan	Avianca
25 Dec - 01 Jan	Avianca
30 Dec - 10 Jan	Avianca	direct
29 Dec - 11 Jan	Avianca	direct
23 Dec - 01 Jan	Avianca	direct

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 210€

Return flights