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

One-Way flights

26 Oct	LATAM Airlines Group
26 Oct	Avianca	direct
03 Oct	Arajet
10 Oct	Avianca	direct
22 Oct	Avianca	direct
24 Oct	Avianca	direct
02 Oct	Avianca	direct
04 Oct	LATAM Airlines Group
06 Oct	LATAM Airlines Group
11 Oct	Avianca

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 100€

One-Way flights