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

Return flights

13 Jan - 20 Jan	Jeju Air	direct
07 Jan - 09 Jan	Jin Air	direct
13 Jan - 15 Jan	Jeju Air	direct
12 Jan - 16 Jan	Jin Air	direct
02 Jan - 06 Jan	Jeju Air	direct
16 Jan - 18 Jan	Jin Air	direct
15 Jan - 18 Jan	Jin Air	direct
24 Jan - 08 Feb	Jin Air	direct
19 Jan - 08 Feb	Jin Air	direct
12 Jan - 15 Jan	Jeju Air	direct
14 Jan - 17 Jan	Jeju Air	direct
18 Jan - 22 Jan	Peach

Also check the deals for one-way flights from Fukuoka 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 Fukuoka to Seoul in January from $216

Return flights