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

Return flights

28 Aug - 05 Sep	JetSmart
21 Aug - 04 Sep	Aerolineas Argentinas
22 Aug - 29 Aug	Aerolineas Argentinas
29 Aug - 11 Sep	Aerolineas Argentinas
21 Aug - 29 Aug	JetSmart
22 Aug - 23 Aug	Aerolineas Argentinas
10 Aug - 17 Aug	Flybondi
29 Aug - 02 Sep	Aerolineas Argentinas
29 Aug - 30 Aug	Aerolineas Argentinas
13 Aug - 20 Aug	Flybondi
28 Aug - 31 Aug	Aerolineas Argentinas
12 Aug - 13 Aug	Flybondi
24 Aug - 04 Sep	Flybondi
07 Aug - 21 Aug	JetSmart
28 Aug - 02 Sep	JetSmart
24 Aug - 29 Aug	JetSmart
16 Aug - 05 Sep	JetSmart
27 Aug - 04 Sep	Flybondi
29 Aug - 01 Sep	Flybondi
28 Aug - 07 Sep	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 134€

Return flights