AirHint found the following cheapest return flights from Seoul (ICN) to Copenhagen (CPH) in October 2026 (see full year).

Return flights

12 Oct - 19 Oct	Air China
12 Oct - 20 Oct	Air China
11 Oct - 17 Oct	Air China
20 Oct - 26 Oct	Air China
12 Oct - 26 Oct	Air China
15 Oct - 29 Oct	Air China
12 Oct - 23 Oct	Air China
12 Oct - 18 Oct	Air China
15 Oct - 27 Oct	Lufthansa
21 Oct - 28 Oct	SWISS
22 Oct - 01 Nov	Lufthansa
08 Oct - 01 Nov	Lufthansa
08 Oct - 01 Nov	Scandinavian Airlines	direct
22 Oct - 01 Nov	Scandinavian Airlines	direct
31 Oct - 06 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 516€

Return flights