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

Return flights

23 Oct - 26 Oct	Air China
17 Oct - 24 Oct	Air China
24 Oct - 31 Oct	Air China
15 Oct - 22 Oct	Air China
14 Oct - 21 Oct	Air China
21 Oct - 05 Nov	Etihad Airways
21 Oct - 03 Nov	Etihad Airways
23 Oct - 30 Oct	Qatar Airways
29 Oct - 05 Nov	Qatar Airways
30 Oct - 17 Nov	Etihad Airways
30 Oct - 16 Nov	Finnair
05 Oct - 31 Oct	Air India
24 Oct - 27 Oct	Ryanair
02 Oct - 27 Oct	Finnair
17 Oct - 31 Oct	Ryanair
17 Oct - 07 Nov	Air India
30 Oct - 17 Nov	Scandinavian Airlines	direct
21 Oct - 07 Nov	KLM
12 Oct - 07 Nov	Air India
21 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 495€

Return flights