Cheapest return flights from Cologne to Seoul in September from $928

Best time to book flights for Cologne (CGN) to Seoul (ICN) flights at AirHint

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

Return flights

02 Sep - 19 Sep Turkish Airlines
10 Sep - 24 Sep Turkish Airlines
18 Sep - 10 Oct Turkish Airlines
15 Sep - 25 Sep Eurowings

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

Skyscanner

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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