AirHint found the following cheapest return flights from Kuching (KCH) to Bangkok (BKK) in December 2025 (see full year).

Return flights

26 Dec - 13 Jan	AirAsia
25 Dec - 13 Jan	AirAsia
26 Dec - 30 Dec	Malaysia Airlines
30 Dec - 05 Jan	Malaysia Airlines
20 Dec - 10 Jan	AirAsia
02 Dec - 21 Dec	AirAsia
20 Dec - 30 Dec	AirAsia
25 Dec - 10 Jan	AirAsia
20 Dec - 03 Jan	AirAsia
25 Dec - 30 Dec	AirAsia
25 Dec - 03 Jan	AirAsia
26 Dec - 03 Jan	AirAsia
20 Dec - 21 Dec	AirAsia
19 Dec - 26 Dec	Scoot
20 Dec - 24 Dec	AirAsia

Also check the deals for one-way flights from Kuching to Bangkok 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 Kuching to Bangkok in December from $294

Return flights