AirHint found the following cheapest return flights from Kumamoto (KMJ) to Kaohsiung (KHH) in December 2025 (see full year).

Return flights

13 Dec - 15 Dec	China Airlines	direct
06 Dec - 08 Dec	China Airlines	direct
17 Dec - 20 Dec	Jetstar Japan
10 Dec - 15 Dec	China Airlines	direct
07 Dec - 13 Dec	China Airlines	direct
18 Dec - 21 Dec	Jetstar Japan
17 Dec - 20 Dec	China Airlines	direct
27 Dec - 29 Dec	Jetstar Japan
27 Dec - 31 Dec	Jetstar Japan
26 Dec - 05 Jan	ANA
26 Dec - 28 Dec	Jetstar Japan

Also check the deals for one-way flights from Kumamoto to Kaohsiung in December.

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 Kumamoto to Kaohsiung in December from $306

Return flights