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

Return flights

29 Dec - 14 Jan	Wingo	direct
01 Dec - 08 Dec	Avianca	direct
12 Dec - 18 Dec	Avianca	direct
05 Dec - 09 Dec	Avianca	direct
13 Dec - 19 Dec	Avianca	direct
10 Dec - 22 Dec	Avianca	direct
16 Dec - 21 Dec	Avianca	direct
10 Dec - 15 Dec	Avianca	direct
19 Dec - 05 Jan	Avianca
19 Dec - 06 Jan	Avianca
27 Dec - 04 Jan	Copa
20 Dec - 26 Dec	Avianca
26 Dec - 02 Jan	Avianca
27 Dec - 03 Jan	Wingo	direct
19 Dec - 05 Jan	Avianca	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 206€

Return flights