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

Return flights

23 Oct - 26 Oct	Lufthansa
15 Oct - 20 Oct	Air China
20 Oct - 24 Oct	Air China
18 Oct - 23 Oct	Air China
16 Oct - 23 Oct	Air China
31 Oct - 08 Nov	Air China
17 Oct - 26 Oct	Air China
19 Oct - 26 Oct	Air China
17 Oct - 24 Oct	Air China
22 Oct - 29 Oct	Finnair
07 Oct - 16 Oct	Lufthansa
31 Oct - 09 Nov	Air China
31 Oct - 05 Nov	Air India
25 Oct - 01 Nov	Air China
01 Oct - 11 Nov	Etihad Airways

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 541€

Return flights