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

Return flights

17 Sep - 24 Sep	Ryanair
02 Sep - 17 Sep	Ryanair
03 Sep - 29 Oct	Ryanair
24 Sep - 14 Oct	Norwegian Air Sweden AOC
02 Sep - 16 Sep	Ryanair
02 Sep - 23 Sep	Finnair
01 Sep - 14 Sep	easyJet
02 Sep - 29 Oct	Finnair
09 Sep - 09 Oct	Finnair
01 Sep - 10 Sep	Eurowings
02 Sep - 07 Sep	Ryanair
01 Sep - 08 Sep	Finnair
08 Sep - 23 Sep	Finnair
01 Sep - 23 Sep	Finnair
28 Sep - 20 Oct	Ryanair
30 Sep - 15 Oct	Finnair
25 Sep - 17 Oct	Ryanair
07 Sep - 12 Oct	Finnair
22 Sep - 12 Oct	Finnair
27 Sep - 11 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 668€

Return flights