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

Return flights

16 Oct - 20 Oct	JetSmart
20 Oct - 31 Oct	JetSmart
04 Oct - 17 Oct	JetSmart
27 Oct - 31 Oct	JetSmart
05 Oct - 17 Oct	JetSmart
12 Oct - 17 Oct	JetSmart
21 Oct - 31 Oct	JetSmart
21 Oct - 25 Oct	JetSmart
28 Oct - 31 Oct	JetSmart
12 Oct - 31 Oct	JetSmart
21 Oct - 01 Nov	JetSmart
27 Oct - 12 Nov	JetSmart	direct
27 Oct - 02 Nov	JetSmart	direct
27 Oct - 14 Nov	JetSmart	direct
27 Oct - 16 Nov	JetSmart	direct
27 Oct - 10 Nov	JetSmart	direct
31 Oct - 15 Nov	JetSmart
28 Oct - 18 Nov	JetSmart	direct
21 Oct - 02 Nov	JetSmart	direct
27 Oct - 06 Nov	JetSmart	direct

Also check the deals for one-way flights from Buenos Aires to Santiago in October.

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 October from 150€

Return flights