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

Return flights

25 Sep - 07 Oct	Copa
30 Sep - 03 Oct	LATAM Airlines Group
29 Sep - 07 Oct	LATAM Airlines Group
30 Sep - 10 Oct	LATAM Airlines Group
25 Sep - 04 Oct	Copa
18 Sep - 23 Sep	Copa
18 Sep - 29 Sep	Copa
23 Sep - 30 Sep	LATAM Airlines Group
23 Sep - 01 Oct	LATAM Airlines Group
17 Sep - 07 Oct	Copa
18 Sep - 28 Sep	Copa
22 Sep - 28 Oct	JetSmart
18 Sep - 21 Sep	Copa
21 Sep - 30 Sep	LATAM Airlines Group
21 Sep - 28 Sep	LATAM Airlines Group
17 Sep - 30 Sep	Copa
18 Sep - 23 Sep	Avianca	direct
17 Sep - 07 Oct	Avianca	direct
18 Sep - 21 Sep	Avianca	direct
20 Sep - 01 Oct	Avianca	direct

Also check the deals for one-way flights from Rio Negro to Buenos Aires 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 Rio Negro to Buenos Aires in September from 472€

Return flights