Cheapest return flights from Cologne to Seoul in September from 667€

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

Return flights

02 Sep - 15 Sep Ryanair
03 Sep - 19 Sep Turkish Airlines
01 Sep - 12 Sep Turkish Airlines
08 Sep - 15 Sep Ryanair
15 Sep - 21 Sep Eurowings
30 Sep - 07 Oct Ryanair
02 Sep - 17 Sep Eurowings
01 Sep - 14 Sep Eurowings
04 Sep - 19 Sep Turkish Airlines
02 Sep - 11 Sep Eurowings
01 Sep - 17 Sep Lufthansa
23 Sep - 10 Oct Turkish Airlines
22 Sep - 10 Oct Turkish Airlines

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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