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

Return flights

17 Oct - 24 Oct	Japan Airlines
22 Oct - 28 Oct	Japan Airlines
10 Oct - 14 Oct	Japan Airlines
10 Oct - 15 Oct	Japan Airlines
11 Oct - 15 Oct	Japan Airlines
15 Oct - 20 Oct	Japan Airlines
18 Oct - 23 Oct	Japan Airlines
24 Oct - 02 Nov	Japan Airlines
21 Oct - 02 Nov	Japan Airlines
25 Oct - 28 Oct	Japan Airlines
10 Oct - 16 Oct	Japan Airlines
04 Oct - 14 Oct	Japan Airlines
25 Oct - 03 Nov	Japan Airlines
21 Oct - 03 Nov	Japan Airlines
25 Oct - 06 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 $2273

Return flights