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

Return flights

07 Jul - 14 Jul	JetSmart	direct
07 Jul - 13 Jul	JetSmart
07 Jul - 28 Jul	JetSmart	direct
07 Jul - 24 Jul	JetSmart
07 Jul - 27 Jul	JetSmart
07 Jul - 25 Jul	JetSmart
07 Jul - 31 Jul	JetSmart
07 Jul - 25 Jul	JetSmart	direct
07 Jul - 24 Jul	JetSmart	direct
07 Jul - 15 Jul	JetSmart
11 Jul - 01 Aug	JetSmart
15 Jul - 02 Aug	JetSmart
15 Jul - 01 Aug	JetSmart
12 Jul - 02 Aug	JetSmart
12 Jul - 01 Aug	JetSmart
15 Jul - 05 Aug	JetSmart
15 Jul - 04 Aug	JetSmart
28 Jul - 16 Aug	JetSmart
16 Jul - 02 Aug	JetSmart
16 Jul - 01 Aug	JetSmart

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

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 Lima to Buenos Aires in July from $365

Return flights