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

Return flights

07 Sep - 25 Sep	JetSmart
27 Sep - 30 Sep	JetSmart
13 Sep - 25 Sep	JetSmart
11 Sep - 25 Sep	JetSmart
30 Sep - 07 Oct	JetSmart
30 Sep - 14 Oct	JetSmart
30 Sep - 06 Oct	JetSmart
16 Sep - 25 Sep	JetSmart
22 Sep - 25 Sep	JetSmart
08 Sep - 25 Sep	JetSmart
12 Sep - 25 Sep	JetSmart
07 Sep - 16 Sep	JetSmart
17 Sep - 25 Sep	JetSmart
22 Sep - 07 Oct	JetSmart
29 Sep - 07 Oct	JetSmart
29 Sep - 14 Oct	JetSmart
26 Sep - 07 Oct	JetSmart
26 Sep - 14 Oct	JetSmart
30 Sep - 18 Oct	JetSmart
17 Sep - 07 Oct	JetSmart

Also check the deals for one-way flights from Cuzco 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 Cuzco to Buenos Aires in September from 306€

Return flights