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

Return flights

19 Jan - 01 Feb	Lufthansa	direct
25 Jan - 29 Jan	Air China
04 Jan - 30 Jan	Air China
18 Jan - 29 Jan	Lufthansa	direct
06 Jan - 20 Jan	Air China
09 Jan - 25 Jan	Air China
12 Jan - 27 Jan	Ryanair
05 Jan - 27 Jan	Air China
01 Jan - 19 Jan	Air China
19 Jan - 30 Jan	Air China
12 Jan - 31 Jan	Air China
06 Jan - 16 Feb	Air France
21 Jan - 04 Feb	Ryanair
31 Jan - 20 Feb	Air China
07 Jan - 04 Feb	Air China
28 Jan - 08 Feb	Air France
27 Jan - 08 Feb	Air France
27 Jan - 09 Feb	Scandinavian Airlines
20 Jan - 25 Feb	Scandinavian Airlines
25 Jan - 04 Feb	Scandinavian Airlines

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 477€

Return flights