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

Return flights

14 Oct - 21 Oct	Korean Air
29 Oct - 19 Nov	Korean Air
30 Oct - 20 Nov	Korean Air
27 Oct - 17 Nov	Korean Air
27 Oct - 18 Nov	Korean Air
28 Oct - 17 Nov	Korean Air
27 Oct - 24 Nov	Korean Air
20 Oct - 19 Nov	Korean Air
24 Oct - 24 Nov	Korean Air
24 Oct - 28 Oct	Korean Air
15 Oct - 20 Oct	Korean Air
06 Oct - 23 Oct	Korean Air
27 Oct - 31 Oct	Korean Air
28 Oct - 18 Nov	Korean Air
25 Oct - 04 Nov	Korean Air
01 Oct - 05 Oct	Korean Air
01 Oct - 31 Oct	Korean Air
04 Oct - 11 Oct	Korean Air
01 Oct - 11 Oct	Korean Air
02 Oct - 11 Oct	Air France

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 $1645

Return flights