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

One-Way flights

07 Jan	T'way Air	direct
06 Jan	T'way Air	direct
21 Jan	Cebu Pacific
31 Jan	Philippines AirAsia Inc.
28 Jan	HK Express
17 Jan	Philippines AirAsia Inc.
13 Jan	HK Express
12 Jan	HK Express
27 Jan	HK Express
26 Jan	HK Express

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest one-way flights from Kaohsiung to Seoul in January from $137

One-Way flights