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

Return flights

30 Dec - 17 Jan	Avianca	direct
30 Dec - 16 Jan	Avianca	direct
27 Dec - 12 Jan	Avianca	direct
25 Dec - 30 Dec	Avianca	direct
30 Dec - 20 Jan	Avianca	direct
25 Dec - 28 Dec	Avianca	direct
31 Dec - 15 Jan	Avianca	direct
25 Dec - 29 Dec	Avianca	direct
30 Dec - 15 Jan	Avianca	direct
30 Dec - 12 Jan	Avianca	direct
29 Dec - 10 Jan	Avianca
26 Dec - 30 Dec	Avianca	direct
26 Dec - 28 Dec	Avianca	direct
25 Dec - 01 Jan	Copa
26 Dec - 01 Jan	Copa
25 Dec - 31 Dec	Avianca
20 Dec - 24 Dec	Copa
25 Dec - 27 Dec	Avianca	direct
22 Dec - 22 Dec	Avianca	direct
24 Dec - 24 Dec	Avianca	direct

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 219€

Return flights