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

Return flights

21 Dec - 28 Dec	LATAM Airlines Group
30 Dec - 20 Jan	JetSmart
20 Dec - 27 Dec	Avianca
28 Dec - 09 Jan	LATAM Airlines Group
29 Dec - 19 Jan	JetSmart
19 Dec - 26 Dec	JetSmart
30 Dec - 19 Jan	JetSmart
31 Dec - 20 Jan	JetSmart
29 Dec - 18 Jan	JetSmart
28 Dec - 18 Jan	JetSmart
28 Dec - 05 Jan	LATAM Airlines Group
20 Dec - 09 Jan	LATAM Airlines Group
30 Dec - 18 Jan	JetSmart
25 Dec - 29 Dec	JetSmart
25 Dec - 26 Dec	JetSmart
23 Dec - 26 Dec	JetSmart
25 Dec - 28 Dec	JetSmart
26 Dec - 28 Dec	JetSmart
27 Dec - 28 Dec	JetSmart
24 Dec - 26 Dec	JetSmart

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

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 December from $690

Return flights