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

Return flights

16 Oct - 18 Oct	Avianca
22 Oct - 25 Oct	Avianca
30 Oct - 01 Nov	Avianca
23 Oct - 26 Oct	Avianca
16 Oct - 19 Oct	Avianca
17 Oct - 19 Oct	Avianca
24 Oct - 26 Oct	Avianca
30 Oct - 02 Nov	Avianca
31 Oct - 03 Nov	Avianca
08 Oct - 09 Oct	Avianca
30 Oct - 03 Nov	Avianca
01 Oct - 08 Oct	Avianca	direct
08 Oct - 19 Oct	Avianca	direct
16 Oct - 23 Oct	Avianca	direct
27 Oct - 03 Nov	Avianca	direct
29 Oct - 02 Nov	Avianca	direct
16 Oct - 06 Nov	Avianca	direct
30 Oct - 04 Nov	Avianca	direct
25 Oct - 05 Nov	Avianca	direct
31 Oct - 07 Nov	Avianca	direct

Also check the deals for one-way 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 return flights from Miami to Rio Negro in October from $189

Return flights