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

Return flights

29 Dec - 03 Jan	Wingo	direct
06 Dec - 20 Dec	Copa
11 Dec - 18 Dec	Avianca	direct
25 Dec - 02 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 $302

Return flights