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

Return flights

14 Jan - 21 Jan	T'way Air
19 Jan - 21 Jan	T'way Air
14 Jan - 28 Jan	T'way Air
18 Jan - 28 Jan	T'way Air
11 Jan - 28 Jan	T'way Air
21 Jan - 28 Jan	T'way Air
11 Jan - 21 Jan	T'way Air
25 Jan - 30 Jan	T'way Air
14 Jan - 30 Jan	T'way Air
11 Jan - 30 Jan	T'way Air
19 Jan - 23 Feb	T'way Air	direct
26 Jan - 23 Feb	T'way Air	direct
30 Jan - 02 Feb	China Eastern
18 Jan - 09 Feb	T'way Air	direct
25 Jan - 09 Feb	T'way Air	direct
19 Jan - 09 Feb	T'way Air	direct
25 Jan - 25 Feb	T'way Air	direct
18 Jan - 25 Feb	T'way Air	direct
25 Jan - 01 Feb	T'way Air	direct
26 Jan - 09 Feb	T'way Air	direct

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Frankfurt to Seoul in January from 420€

Return flights