AirHint found the following cheapest return flights from Frankfurt (FRA) to Seoul (ICN) in January 2026 (see full year).

Return flights

14 Jan - 22 Jan	Pegasus Airlines
19 Jan - 01 Feb	Ryanair
14 Jan - 22 Jan	T'way Air	direct
15 Jan - 20 Feb	Scandinavian Airlines
20 Jan - 02 Feb	Scandinavian Airlines
18 Jan - 09 Feb	Scandinavian Airlines
07 Jan - 24 Jan	Finnair
05 Jan - 18 Jan	Finnair
07 Jan - 18 Jan	Finnair
07 Jan - 21 Jan	Finnair
07 Jan - 25 Jan	Finnair
11 Jan - 25 Jan	Finnair
09 Jan - 25 Jan	Finnair
11 Jan - 18 Jan	Finnair
11 Jan - 01 Feb	Finnair
19 Jan - 11 Feb	Finnair
23 Jan - 20 Feb	Finnair
29 Jan - 05 Feb	Finnair
28 Jan - 02 Feb	Finnair
06 Jan - 03 Feb	Finnair

Also check the deals for one-way flights from Frankfurt to Seoul in January.

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 Frankfurt to Seoul in January from 545€

Return flights