AirHint found the following cheapest return flights from Buenos Aires (EZE) to Rio Negro (MDE) in September 2025 (see full year).

Return flights

29 Sep - 08 Oct	Copa
29 Sep - 07 Oct	LATAM Airlines Group
18 Sep - 23 Oct	LATAM Airlines Group
28 Sep - 06 Oct	LATAM Airlines Group
29 Sep - 09 Oct	LATAM Airlines Group
04 Sep - 08 Sep	Copa
27 Sep - 01 Oct	LATAM Airlines Group
07 Sep - 08 Sep	Avianca
17 Sep - 26 Sep	LATAM Airlines Group
23 Sep - 29 Sep	Avianca
24 Sep - 29 Sep	Copa
23 Sep - 30 Sep	Copa
19 Sep - 25 Sep	LATAM Airlines Group
17 Sep - 24 Sep	LATAM Airlines Group
05 Sep - 14 Sep	Avianca
04 Sep - 08 Sep	Avianca	direct
22 Sep - 02 Oct	Copa
23 Sep - 01 Oct	Copa
21 Sep - 02 Oct	Avianca

Also check the deals for one-way flights from Buenos Aires to Rio Negro in September.

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 Buenos Aires to Rio Negro in September from $440

Return flights