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

Return flights

14 Jan - 29 Jan	China Southern
21 Jan - 29 Jan	China Southern
14 Jan - 22 Jan	China Southern
14 Jan - 20 Jan	China Southern
14 Jan - 24 Jan	China Southern
14 Jan - 27 Jan	China Southern
19 Jan - 29 Jan	China Southern
23 Jan - 03 Feb	China Southern
23 Jan - 31 Jan	China Southern
19 Jan - 27 Jan	China Southern
28 Jan - 31 Jan	Air China
28 Jan - 01 Feb	Air China
15 Jan - 01 Feb	Air China
29 Jan - 03 Feb	Air China
29 Jan - 01 Feb	Air China
26 Jan - 03 Feb	Air China
21 Jan - 03 Feb	Air China
29 Jan - 10 Feb	Air China
19 Jan - 03 Feb	Air China
26 Jan - 04 Feb	Air China

Also check the deals for one-way flights from Seoul to Frankfurt 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 Seoul to Frankfurt in January from 380€

Return flights