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

Return flights

20 Oct - 23 Oct	Air China
24 Oct - 21 Nov	Air China
21 Oct - 29 Oct	Air China
24 Oct - 31 Oct	Air China
23 Oct - 10 Nov	Air China
01 Oct - 23 Oct	KLM
23 Oct - 28 Oct	Air China
21 Oct - 24 Oct	Air China
24 Oct - 10 Nov	Air China
19 Oct - 28 Nov	Air India
17 Oct - 14 Nov	Air India
30 Oct - 10 Nov	Etihad Airways
24 Oct - 29 Oct	Air China
14 Oct - 24 Oct	Air China
05 Oct - 31 Oct	Air India
01 Oct - 24 Oct	Air India
28 Oct - 07 Nov	Finnair
30 Oct - 26 Nov	Scandinavian Airlines	direct
16 Oct - 12 Nov	Scandinavian Airlines
24 Oct - 21 Nov	Scandinavian Airlines	direct

Also check the deals for one-way flights from Copenhagen to Seoul 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 Copenhagen to Seoul in October from $573

Return flights