Cheapest return flights from Cologne to Seoul in September from 653€

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

Return flights

08 Sep - 21 Sep Eurowings
18 Sep - 25 Sep Ryanair
28 Sep - 05 Oct AJet
01 Sep - 30 Sep Ryanair
02 Sep - 24 Sep Lufthansa
08 Sep - 14 Sep Turkish Airlines
14 Sep - 25 Sep 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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