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

Return flights

31 Aug - 06 Sep	JetSmart
31 Aug - 04 Sep	JetSmart
28 Aug - 30 Aug	JetSmart
28 Aug - 01 Sep	JetSmart
30 Aug - 01 Sep	JetSmart
30 Aug - 06 Sep	JetSmart
29 Aug - 01 Sep	JetSmart
27 Aug - 08 Sep	Flybondi
26 Aug - 28 Aug	JetSmart
27 Aug - 28 Aug	JetSmart
26 Aug - 08 Sep	JetSmart
31 Aug - 08 Sep	JetSmart
25 Aug - 28 Aug	Flybondi
25 Aug - 01 Sep	Flybondi
25 Aug - 29 Aug	JetSmart
27 Aug - 31 Aug	Flybondi
22 Aug - 29 Aug	Aerolineas Argentinas
23 Aug - 30 Aug	Flybondi
26 Aug - 29 Aug	Flybondi
28 Aug - 31 Aug	JetSmart

Also check the deals for one-way flights from Buenos Aires to Santiago 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 Santiago in August from 135€

Return flights