AirHint found the following cheapest return flights from Buenos Aires (AEP) to Lima (LIM) in August 2025 (see full year).

Return flights

01 Aug - 14 Aug	JetSmart
21 Aug - 29 Aug	JetSmart
01 Aug - 20 Aug	JetSmart
01 Aug - 12 Aug	JetSmart
01 Aug - 21 Aug	JetSmart
02 Aug - 14 Aug	JetSmart
22 Aug - 29 Aug	JetSmart
24 Aug - 29 Aug	JetSmart
16 Aug - 29 Aug	JetSmart
21 Aug - 06 Sep	JetSmart
22 Aug - 24 Aug	Aerolineas Argentinas	direct
21 Aug - 08 Sep	JetSmart
21 Aug - 09 Sep	JetSmart
22 Aug - 06 Sep	JetSmart
21 Aug - 02 Sep	JetSmart
21 Aug - 07 Sep	JetSmart
24 Aug - 06 Sep	JetSmart
22 Aug - 08 Sep	JetSmart
24 Aug - 08 Sep	JetSmart
22 Aug - 09 Sep	JetSmart

Also check the deals for one-way flights from Buenos Aires to Lima in August.

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 Lima in August from $344

Return flights