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

Return flights

04 Dec - 11 Dec	Copa
07 Dec - 13 Dec	Aeromexico
25 Dec - 01 Jan	Copa
31 Dec - 12 Jan	Wingo	direct
24 Dec - 31 Dec	Copa
10 Dec - 17 Dec	Aeromexico
15 Dec - 21 Dec	Copa
06 Dec - 08 Dec	Avianca
10 Dec - 27 Dec	Aeromexico
13 Dec - 29 Dec	Aeromexico
17 Dec - 25 Dec	Aeromexico
24 Dec - 29 Dec	Aeromexico
26 Dec - 01 Jan	Copa
25 Dec - 08 Jan	Copa
20 Dec - 17 Jan	Copa
23 Dec - 22 Jan	Viva
25 Dec - 04 Jan	Copa
15 Dec - 08 Jan	Copa
27 Dec - 05 Jan	Wingo	direct
29 Dec - 05 Jan	Wingo	direct

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 $313

Return flights