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

Return flights

28 Sep - 07 Oct	LATAM Airlines Group
23 Sep - 29 Sep	LATAM Airlines Group
17 Sep - 30 Sep	LATAM Airlines Group
20 Sep - 27 Sep	Flybondi
19 Sep - 26 Sep	LATAM Airlines Group
26 Sep - 30 Sep	Avianca
21 Sep - 28 Sep	JetSmart
23 Sep - 27 Sep	Avianca
24 Sep - 29 Sep	Avianca
18 Sep - 23 Oct	Avianca
30 Sep - 05 Oct	Avianca
27 Sep - 05 Oct	Avianca
27 Sep - 04 Oct	Avianca
28 Sep - 02 Oct	Avianca
23 Sep - 02 Oct	Avianca
21 Sep - 01 Oct	Avianca
24 Sep - 02 Oct	Avianca
22 Sep - 29 Sep	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 454€

Return flights