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

Return flights

13 Dec - 16 Dec	JetSmart
13 Dec - 15 Dec	JetSmart
25 Dec - 15 Jan	JetSmart
15 Dec - 17 Dec	JetSmart
13 Dec - 17 Dec	JetSmart
11 Dec - 18 Dec	Sky Airline
26 Dec - 15 Jan	JetSmart
25 Dec - 09 Jan	JetSmart
25 Dec - 08 Jan	JetSmart
12 Dec - 18 Dec	JetSmart
10 Dec - 25 Dec	LATAM Airlines Group
11 Dec - 16 Dec	JetSmart
29 Dec - 15 Jan	JetSmart
27 Dec - 15 Jan	JetSmart
26 Dec - 16 Jan	JetSmart
29 Dec - 19 Jan	JetSmart
28 Dec - 15 Jan	JetSmart
30 Dec - 15 Jan	JetSmart
11 Dec - 17 Dec	JetSmart
10 Dec - 27 Dec	Avianca

Also check the deals for one-way flights from Cuzco 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 Cuzco to Buenos Aires in December from $514

Return flights