AirHint found the following cheapest one-way flights from Miami (MIA) to Rio Negro (MDE) in October 2025 (see full year).

One-Way flights

01 Oct	Avianca	direct
04 Oct	Avianca	direct
30 Oct	Avianca	direct
07 Oct	Avianca	direct
03 Oct	Avianca	direct
17 Oct	Avianca	direct
18 Oct	Avianca	direct
19 Oct	Avianca	direct
20 Oct	Avianca	direct
29 Oct	Avianca	direct

Also check the deals for return flights from Miami to Rio Negro in October.

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 one-way flights from Miami to Rio Negro in October from $111

One-Way flights