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

Return flights

02 Oct - 05 Oct	JetSmart
02 Oct - 04 Oct	JetSmart
15 Oct - 25 Oct	JetSmart
01 Oct - 05 Oct	JetSmart
03 Oct - 03 Oct	JetSmart
03 Oct - 04 Oct	JetSmart
08 Oct - 18 Oct	JetSmart
03 Oct - 05 Oct	JetSmart
10 Oct - 18 Oct	JetSmart
01 Oct - 02 Oct	JetSmart
17 Oct - 16 Nov	JetSmart
25 Oct - 01 Nov	JetSmart	direct
25 Oct - 11 Nov	JetSmart	direct
25 Oct - 15 Nov	JetSmart	direct
28 Oct - 01 Nov	JetSmart	direct
28 Oct - 11 Nov	JetSmart	direct
28 Oct - 15 Nov	JetSmart	direct
26 Oct - 01 Nov	JetSmart	direct
26 Oct - 11 Nov	JetSmart	direct
26 Oct - 15 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 138€

Return flights