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

Return flights

22 Sep - 18 Oct	Aegean Airlines
19 Sep - 14 Oct	easyJet
19 Sep - 20 Oct	easyJet
26 Sep - 10 Oct	easyJet
24 Sep - 12 Oct	Air China
27 Sep - 05 Oct	Wizz Air
27 Sep - 11 Oct	KLM
18 Sep - 30 Sep	Lufthansa
21 Sep - 29 Sep	KLM
23 Sep - 09 Oct	easyJet
24 Sep - 15 Oct	KLM
29 Sep - 21 Oct	Hainan Airlines
23 Sep - 30 Sep	easyJet
22 Sep - 29 Sep	KLM
21 Sep - 28 Sep	KLM
18 Sep - 25 Sep	Lufthansa
18 Sep - 29 Sep	Qatar Airways
26 Sep - 28 Sep	Lufthansa
18 Sep - 20 Sep	British Airways

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 $946

Return flights