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

Return flights

12 Jan - 26 Jan	Ryanair
12 Jan - 25 Jan	Ryanair
05 Jan - 13 Jan	Ryanair
21 Jan - 04 Feb	Pegasus Airlines
14 Jan - 21 Jan	Pegasus Airlines
11 Jan - 25 Jan	Pegasus Airlines
07 Jan - 21 Jan	Pegasus Airlines
08 Jan - 16 Jan	Scandinavian Airlines
03 Jan - 17 Jan	Ryanair
04 Jan - 21 Jan	Pegasus Airlines
02 Jan - 16 Jan	T'way Air	direct
19 Jan - 02 Feb	Finnair
22 Jan - 05 Feb	Finnair
23 Jan - 06 Feb	Finnair
25 Jan - 08 Feb	Finnair
28 Jan - 11 Feb	Finnair
27 Jan - 10 Feb	Finnair
23 Jan - 01 Feb	Finnair
31 Jan - 09 Feb	Finnair
26 Jan - 09 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 $691

Return flights