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

Return flights

28 Aug - 06 Sep	Aerolineas Argentinas
02 Aug - 04 Sep	JetSmart
28 Aug - 04 Sep	JetSmart
30 Aug - 08 Sep	Flybondi
30 Aug - 06 Sep	Flybondi
19 Aug - 04 Sep	JetSmart
19 Aug - 08 Sep	JetSmart
04 Aug - 09 Aug	Flybondi
28 Aug - 07 Sep	JetSmart
16 Aug - 25 Aug	Flybondi
11 Aug - 25 Aug	Flybondi
23 Aug - 05 Sep	Flybondi
27 Aug - 04 Sep	JetSmart
18 Aug - 25 Aug	Flybondi
09 Aug - 16 Aug	Flybondi
02 Aug - 07 Aug	JetSmart
04 Aug - 07 Aug	Flybondi
19 Aug - 28 Aug	JetSmart
21 Aug - 28 Aug	Flybondi
21 Aug - 25 Aug	Flybondi

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 $167

Return flights