Cheapest return CGN–ICN flights, September

AirHint found the following cheapest return flights from Cologne (CGN) to Seoul (ICN) in September 2026 (see full year).

Return flights

29 Sep - 14 Oct Wizz Air Malta
05 Sep - 21 Sep Turkish Airlines
14 Sep - 10 Oct Ryanair
15 Sep - 01 Oct Wizz Air Malta
24 Sep - 08 Oct SunExpress
07 Sep - 15 Sep Ryanair
24 Sep - 14 Oct Corendon Airlines
03 Sep - 21 Sep Turkish Airlines
05 Sep - 19 Sep Turkish Airlines
05 Sep - 20 Sep Turkish Airlines
14 Sep - 27 Sep Wizz Air Malta
25 Sep - 16 Oct Turkish Airlines
15 Sep - 24 Sep Wizz Air Malta
03 Sep - 19 Sep AJet
03 Sep - 20 Sep Ryanair
04 Sep - 20 Sep Wizz Air Malta

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

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