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

Return flights

21 Oct - 29 Oct	Air China
15 Oct - 30 Oct	China Eastern
22 Oct - 30 Oct	Air China
22 Oct - 23 Oct	Air China
27 Oct - 11 Nov	Air China
23 Oct - 24 Oct	Air China
07 Oct - 15 Oct	Jeju Air
13 Oct - 21 Oct	Japan Airlines
12 Oct - 14 Oct	Korean Air
11 Oct - 25 Oct	Japan Airlines
08 Oct - 12 Oct	Jeju Air
29 Oct - 06 Nov	Japan Airlines
29 Oct - 02 Nov	Japan Airlines

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 510€

Return flights