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

Return flights

25 May - 30 May	Vietnam Airlines
06 May - 12 May	Vietnam Airlines
18 May - 21 May	Vietnam Airlines
15 May - 23 May	Vietnam Airlines
13 May - 21 May	Vietnam Airlines
25 May - 04 Jun	Vietnam Airlines
27 May - 04 Jun	Vietnam Airlines
29 May - 06 Jun	Vietnam Airlines
18 May - 26 May	Vietnam Airlines
22 May - 02 Jun	Vietnam Airlines
09 May - 22 May	Finnair
11 May - 18 May	Finnair
16 May - 26 May	Finnair
16 May - 24 May	Finnair
26 May - 01 Jun	Finnair
26 May - 02 Jun	Finnair
30 May - 05 Jun	Finnair
27 May - 02 Jun	Finnair
30 May - 10 Jun	Finnair
30 May - 09 Jun	Finnair

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

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 May from 488€

Return flights