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

Return flights

11 Sep - 01 Oct	JetSmart
06 Sep - 13 Sep	JetSmart
11 Sep - 13 Sep	JetSmart
15 Sep - 01 Oct	JetSmart
08 Sep - 13 Sep	JetSmart
17 Sep - 01 Oct	JetSmart
06 Sep - 23 Sep	JetSmart
11 Sep - 23 Sep	JetSmart
18 Sep - 01 Oct	JetSmart
08 Sep - 23 Sep	JetSmart
15 Sep - 23 Sep	JetSmart
12 Sep - 01 Oct	JetSmart
17 Sep - 23 Sep	JetSmart
12 Sep - 13 Sep	JetSmart
18 Sep - 23 Sep	JetSmart

Also check the deals for one-way flights from Arequipa 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 Arequipa to Buenos Aires in September from 319€

Return flights