AirHint found the following cheapest one-way flights from Kaohsiung (KHH) to Seoul (ICN) in January 2026 (see full year).

One-Way flights

06 Jan	T'way Air	direct
08 Jan	T'way Air	direct
14 Jan	T'way Air	direct
07 Jan	T'way Air	direct
12 Jan	Cebu Pacific
21 Jan	HK Express
05 Jan	HK Express
20 Jan	China Airlines	direct
19 Jan	China Airlines	direct
12 Jan	China Airlines	direct

Also check the deals for return flights from Kaohsiung 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 one-way flights from Kaohsiung to Seoul in January from 113€

One-Way flights