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

Return flights

01 Dec - 08 Dec	Avianca
04 Dec - 08 Dec	Copa
05 Dec - 08 Dec	Copa
06 Dec - 11 Jan	Copa
27 Dec - 19 Jan	Copa
18 Dec - 15 Jan	Avianca
28 Dec - 12 Jan	Copa
27 Dec - 12 Jan	Copa
17 Dec - 20 Jan	Copa
22 Dec - 14 Jan	Copa
06 Dec - 11 Jan	Avianca	direct
27 Dec - 19 Jan	Avianca	direct
27 Dec - 06 Jan	Avianca
10 Dec - 28 Dec	Copa
25 Dec - 29 Dec	Copa
26 Dec - 31 Dec	Copa
22 Dec - 27 Dec	Copa

Also check the deals for one-way flights from Miami 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 Miami to Rio Negro in December from 255€

Return flights