AirHint found the following cheapest one-way flights from Busan (PUS) to Kumamoto (KMJ) in December 2025 (see full year).

One-Way flights

02 Dec	Eastar Jet	direct
24 Dec	Eastar Jet	direct
15 Dec	Eastar Jet	direct
22 Dec	Eastar Jet	direct
01 Dec	Eastar Jet	direct
03 Dec	Eastar Jet	direct
10 Dec	Eastar Jet	direct
16 Dec	Eastar Jet	direct
30 Dec	Eastar Jet	direct
17 Dec	Eastar Jet	direct

Also check the deals for return flights from Busan to Kumamoto 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 one-way flights from Busan to Kumamoto in December from 37€

One-Way flights