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

Return flights

05 Dec - 11 Dec	Avianca	direct
24 Dec - 30 Dec	Copa
05 Dec - 17 Dec	Avianca	direct
24 Dec - 31 Dec	Copa
31 Dec - 12 Jan	Wingo	direct
11 Dec - 14 Dec	Avianca	direct
05 Dec - 13 Dec	Avianca	direct
06 Dec - 13 Dec	Avianca	direct
06 Dec - 09 Dec	Avianca	direct
10 Dec - 17 Dec	Copa
10 Dec - 13 Dec	Copa
25 Dec - 01 Jan	Copa
30 Dec - 02 Jan	Copa
26 Dec - 01 Jan	Copa
11 Dec - 09 Jan	Copa
30 Dec - 06 Jan	Copa
12 Dec - 12 Jan	Copa
27 Dec - 02 Jan	Copa
27 Dec - 16 Jan	Viva
30 Dec - 16 Jan	Viva

Also check the deals for one-way flights from Cancun 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 Cancun to Rio Negro in December from 264€

Return flights