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

Return flights

20 Oct - 31 Oct	Air China
17 Oct - 25 Oct	Air China
01 Oct - 14 Oct	KLM
15 Oct - 21 Oct	Air India
18 Oct - 27 Oct	Etihad Airways
05 Oct - 12 Oct	Air India
26 Oct - 02 Nov	Scandinavian Airlines
17 Oct - 26 Oct	Air China
17 Oct - 24 Oct	Air China
17 Oct - 31 Oct	Air China
30 Oct - 06 Nov	Qatar Airways
03 Oct - 10 Oct	Air France
19 Oct - 02 Nov	Air India
17 Oct - 02 Nov	Air India
24 Oct - 07 Nov	Finnair
16 Oct - 03 Nov	Etihad Airways
16 Oct - 07 Nov	Etihad Airways
17 Oct - 01 Nov	Air India
24 Oct - 10 Nov	Scandinavian Airlines	direct
19 Oct - 03 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 499€

Return flights