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

Return flights

01 Apr - 07 Apr	SWISS
24 Apr - 03 May	Vietnam Airlines
24 Apr - 04 May	Vietnam Airlines
01 Apr - 30 Apr	Air France
14 Apr - 21 Apr	Lufthansa
30 Apr - 05 May	Air China
17 Apr - 24 Apr	Air China
25 Apr - 09 May	Air China
25 Apr - 05 May	Air China
17 Apr - 30 Apr	Air China
25 Apr - 05 May	Scandinavian Airlines	direct
24 Apr - 26 Apr	Air India
24 Apr - 01 May	Air India
24 Apr - 08 May	Air India
29 Apr - 06 May	SWISS
23 Apr - 25 Apr	Air China
29 Apr - 08 May	Air China
01 Apr - 30 Apr	Scandinavian Airlines	direct
01 Apr - 07 Apr	Scandinavian Airlines	direct

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 553€

Return flights