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

Return flights

26 Oct - 30 Oct	China Eastern
27 Oct - 03 Nov	Air China
25 Oct - 30 Oct	Air China
27 Oct - 30 Oct	Air China
29 Oct - 02 Nov	Air China
27 Oct - 04 Nov	Air China
27 Oct - 02 Nov	Air China
27 Oct - 01 Nov	Air China
27 Oct - 31 Oct	China Southern
06 Oct - 16 Oct	China Eastern
27 Oct - 27 Oct	Air China
02 Oct - 02 Oct	Korean Air
06 Oct - 14 Oct	Japan Airlines
11 Oct - 19 Oct	Japan Airlines
11 Oct - 18 Oct	Japan Airlines
24 Oct - 02 Nov	Japan Airlines
25 Oct - 01 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 497€

Return flights