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

Return flights

23 Apr - 25 Apr	Air China
25 Apr - 30 Apr	Air China
20 Apr - 27 Apr	Air China
03 Apr - 11 Apr	Air China
01 Apr - 10 Apr	Air China
02 Apr - 09 Apr	Air China
18 Apr - 26 Apr	Air China
01 Apr - 15 Apr	Air China
25 Apr - 02 May	Air China
27 Apr - 05 May	Air China
15 Apr - 23 Apr	Air China
15 Apr - 25 Apr	Air China
26 Apr - 02 May	Air China
22 Apr - 01 May	Air China
30 Apr - 14 May	Lufthansa
30 Apr - 06 May	Air China
30 Apr - 10 May	Air China
24 Apr - 02 May	Air China
27 Apr - 03 May	Air China
30 Apr - 07 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 508€

Return flights