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

Return flights

11 Oct - 18 Oct	JetSmart	direct
18 Oct - 25 Oct	Flybondi
19 Oct - 25 Oct	JetSmart
08 Oct - 09 Oct	JetSmart
19 Oct - 23 Oct	JetSmart
05 Oct - 09 Oct	JetSmart
04 Oct - 09 Oct	JetSmart
08 Oct - 25 Oct	JetSmart
08 Oct - 18 Oct	JetSmart
02 Oct - 09 Oct	JetSmart
19 Oct - 08 Nov	JetSmart
19 Oct - 02 Nov	Flybondi
19 Oct - 08 Nov	JetSmart	direct
23 Oct - 04 Nov	Flybondi
30 Oct - 10 Nov	Flybondi
23 Oct - 05 Nov	Flybondi
30 Oct - 07 Nov	Flybondi
15 Oct - 03 Nov	Flybondi
23 Oct - 08 Nov	JetSmart
25 Oct - 08 Nov	JetSmart

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 $198

Return flights