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

Return flights

24 Oct - 26 Oct	Lufthansa
29 Oct - 11 Nov	Lufthansa
23 Oct - 26 Oct	Lufthansa
20 Oct - 26 Oct	Lufthansa
15 Oct - 21 Oct	Lufthansa
10 Oct - 21 Oct	Lufthansa
16 Oct - 21 Oct	Lufthansa
23 Oct - 30 Oct	Finnair
13 Oct - 21 Oct	SWISS
08 Oct - 21 Oct	Lufthansa
19 Oct - 26 Oct	Lufthansa
27 Oct - 04 Nov	Air China
25 Oct - 01 Nov	Air China
29 Oct - 06 Nov	Air China
25 Oct - 02 Nov	Air China
29 Oct - 02 Nov	Air China
31 Oct - 09 Nov	Air China
24 Oct - 02 Nov	Air China
31 Oct - 30 Nov	Air China
29 Oct - 11 Nov	Scandinavian Airlines	direct

Also check the deals for one-way flights from Seoul to Copenhagen 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 Copenhagen in October from 536€

Return flights