Cheapest return flights from Cologne to Seoul in September from 677€

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

Return flights

21 Sep - 04 Oct Eurowings
20 Sep - 06 Oct Turkish Airlines
15 Sep - 06 Oct Ryanair
13 Sep - 06 Oct Turkish Airlines
13 Sep - 26 Sep Turkish Airlines
13 Sep - 29 Sep Turkish Airlines
11 Sep - 23 Sep Turkish Airlines
01 Sep - 22 Sep Turkish Airlines
14 Sep - 29 Sep Turkish Airlines
08 Sep - 23 Sep Turkish Airlines
22 Sep - 08 Oct Turkish Airlines
30 Sep - 17 Oct Turkish Airlines
07 Sep - 20 Sep Turkish Airlines
27 Sep - 17 Oct Turkish Airlines

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

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