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
29 Oct - 11 Nov	Lufthansa
08 Oct - 28 Oct	Lufthansa
21 Oct - 28 Oct	Lufthansa
09 Oct - 27 Nov	Lufthansa
17 Oct - 18 Nov	Lufthansa
25 Oct - 28 Oct	Air China
13 Oct - 16 Oct	Air China
25 Oct - 30 Oct	Air China
19 Oct - 22 Oct	Air China
14 Oct - 21 Oct	Air China
29 Oct - 02 Nov	Air China
20 Oct - 30 Oct	Lufthansa
27 Oct - 30 Oct	Air China
30 Oct - 02 Nov	Air China
19 Oct - 20 Nov	Air China
22 Oct - 05 Nov	Air France
17 Oct - 18 Nov	Scandinavian Airlines	direct
29 Oct - 11 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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from Seoul to Copenhagen in October from 539€

Return flights