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

Return flights

29 Apr - 09 May	Vietnam Airlines
03 Apr - 09 Apr	Finnair
01 Apr - 07 Apr	Finnair
14 Apr - 20 Apr	Finnair
04 Apr - 10 Apr	Finnair
20 Apr - 26 Apr	Finnair
21 Apr - 27 Apr	Finnair
06 Apr - 12 Apr	Finnair
07 Apr - 13 Apr	Finnair
03 Apr - 10 Apr	Finnair
07 Apr - 14 Apr	Finnair
22 Apr - 20 May	Vietnam Airlines
28 Apr - 05 May	Air China
27 Apr - 07 May	Air China
30 Apr - 05 May	Air China
26 Apr - 02 May	Air China
28 Apr - 04 May	Air China
30 Apr - 06 May	Air China
22 Apr - 29 May	Air China
29 Apr - 04 May	Air China

Also check the deals for one-way flights from Seoul to Copenhagen in April.

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 April from 488€

Return flights