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
27 Dec - 05 Jan	Wingo	direct
17 Dec - 24 Dec	Wingo	direct
22 Dec - 29 Dec	Wingo	direct
17 Dec - 31 Dec	Wingo	direct
17 Dec - 27 Dec	Wingo	direct
20 Dec - 27 Dec	Wingo	direct
27 Dec - 03 Jan	Wingo	direct
10 Dec - 15 Dec	Avianca	direct
28 Dec - 04 Jan	Avianca

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 $240

Return flights