AirHint found the following cheapest return flights from Berlin (BER) to Seoul (ICN) in September 2025 (see full year).

Return flights

01 Sep - 14 Sep	Ryanair
01 Sep - 09 Sep	Ryanair
01 Sep - 07 Sep	Ryanair
26 Sep - 10 Oct	Norwegian
17 Sep - 08 Oct	Finnair
21 Sep - 15 Oct	Finnair
28 Sep - 08 Oct	Finnair
30 Sep - 16 Oct	Finnair
01 Sep - 18 Sep	Finnair
05 Sep - 14 Sep	Finnair
01 Sep - 10 Sep	Finnair
08 Sep - 18 Sep	Finnair
30 Sep - 10 Oct	Finnair
01 Sep - 11 Sep	Finnair
01 Sep - 12 Sep	Finnair
01 Sep - 15 Sep	Finnair
29 Sep - 09 Oct	Finnair
23 Sep - 17 Oct	easyJet
25 Sep - 16 Oct	Norwegian Air Sweden AOC
18 Sep - 12 Oct	Finnair

Also check the deals for one-way flights from Berlin to Seoul in September.

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 Berlin to Seoul in September from 618€

Return flights