AirHint found the following cheapest one-way flights from Seoul (GMP) to Kaohsiung (KHH) in October 2025 (see full year).

One-Way flights

12 Oct	T'way Air	direct
10 Oct	T'way Air	direct
14 Oct	Jeju Air	direct
29 Oct	T'way Air	direct
16 Oct	Jeju Air	direct
18 Oct	Jin Air
31 Oct	T'way Air	direct
22 Oct	T'way Air	direct
19 Oct	Jeju Air
27 Oct	T'way Air	direct

Also check the deals for return flights from Seoul to Kaohsiung in October.

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 Seoul to Kaohsiung in October from $42

One-Way flights