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

Return flights

19 Dec - 01 Jan	Copa
03 Dec - 11 Dec	Copa
10 Dec - 24 Dec	Copa
31 Dec - 12 Jan	Wingo	direct
24 Dec - 01 Jan	Aeromexico
02 Dec - 09 Dec	Copa
04 Dec - 06 Dec	Copa
28 Dec - 31 Dec	Copa
05 Dec - 09 Dec	Avianca
25 Dec - 01 Jan	Aeromexico
11 Dec - 01 Jan	Aeromexico
05 Dec - 10 Dec	Avianca
04 Dec - 19 Dec	Copa
09 Dec - 16 Dec	Copa
01 Dec - 08 Dec	Aeromexico
31 Dec - 07 Jan	Wingo	direct
11 Dec - 09 Jan	Aeromexico
27 Dec - 01 Jan	Wingo
15 Dec - 09 Jan	Aeromexico
26 Dec - 01 Jan	Copa

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 $314

Return flights