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

Return flights

06 Mar - 13 Mar	Ryanair
05 Mar - 27 Mar	Turkish Airlines
13 Mar - 27 Mar	Pegasus Airlines
21 Mar - 31 Mar	Wizz Air Malta
06 Mar - 27 Mar	Turkish Airlines
10 Mar - 24 Mar	Turkish Airlines
23 Mar - 06 Apr	Ryanair
31 Mar - 11 Apr	Eurowings

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

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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Cheapest return flights from Cologne to Seoul in March from $716

Return flights