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

One-Way flights

09 Jul	T'way Air	direct
16 Jul	T'way Air	direct
18 Jul	Tigerair Taiwan	direct
23 Jul	T'way Air	direct
11 Jul	T'way Air	direct
04 Jul	T'way Air	direct
02 Jul	T'way Air	direct
14 Jul	T'way Air	direct
25 Jul	Tigerair Taiwan	direct
13 Jul	T'way Air	direct

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

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 July from $56

One-Way flights