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

Return flights

29 Dec - 05 Jan	Wingo	direct
06 Dec - 09 Dec	Copa
08 Dec - 16 Dec	Copa
25 Dec - 04 Jan	Avianca	direct
05 Dec - 20 Dec	Copa
27 Dec - 05 Jan	Wingo	direct
24 Dec - 01 Jan	Avianca	direct
12 Dec - 18 Dec	Copa
19 Dec - 21 Dec	Avianca
16 Dec - 21 Dec	Avianca	direct
19 Dec - 06 Jan	Avianca	direct
26 Dec - 01 Jan	Avianca	direct
20 Dec - 01 Jan	Avianca
12 Dec - 18 Dec	Avianca	direct
05 Dec - 20 Dec	Avianca	direct
29 Dec - 02 Jan	Copa
04 Dec - 18 Dec	Viva
26 Dec - 03 Jan	Avianca	direct
11 Dec - 18 Dec	Viva
27 Dec - 04 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 $296

Return flights