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

Return flights

22 Oct - 29 Oct	Air France
20 Oct - 28 Oct	Korean Air
20 Oct - 27 Oct	Korean Air
15 Oct - 27 Oct	Korean Air
14 Oct - 27 Oct	Korean Air
15 Oct - 26 Oct	Korean Air
15 Oct - 25 Oct	Korean Air
14 Oct - 25 Oct	Korean Air
26 Oct - 24 Nov	Korean Air
08 Oct - 25 Oct	Korean Air
24 Oct - 08 Nov	Korean Air
11 Oct - 17 Oct	Korean Air
01 Oct - 01 Nov	Korean Air

Also check the deals for one-way flights from Seoul 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 Seoul to Santiago in October from $1661

Return flights