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

Return flights

29 Sep - 23 Oct	Air France
01 Sep - 14 Sep	Air France
18 Sep - 23 Oct	Air France
15 Sep - 17 Oct	LATAM Airlines Group
08 Sep - 18 Sep	LATAM Airlines Group
18 Sep - 17 Oct	Turkish Airlines
18 Sep - 22 Oct	Air France
29 Sep - 29 Oct	LATAM Airlines Group
13 Sep - 19 Sep	LATAM Airlines Group
26 Sep - 23 Oct	Air France
25 Sep - 16 Oct	LATAM Airlines Group
18 Sep - 29 Oct	Air France
18 Sep - 18 Oct	Turkish Airlines
12 Sep - 18 Sep	Delta

Also check the deals for one-way flights from Santiago to Seoul in September.

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 Santiago to Seoul in September from 1562€

Return flights