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

Return flights

01 Dec - 09 Dec	AirAsia X
03 Dec - 11 Dec	AirAsia X
01 Dec - 26 Dec	AirAsia X
04 Dec - 11 Dec	AirAsia X
01 Dec - 06 Dec	AirAsia X
01 Dec - 10 Dec	AirAsia X
03 Dec - 08 Dec	AirAsia X
01 Dec - 05 Dec	AirAsia X
01 Dec - 22 Dec	AirAsia X
03 Dec - 10 Dec	AirAsia X
31 Dec - 07 Jan	Xiamen Airlines
31 Dec - 19 Jan	Batik Air Malaysia
07 Dec - 25 Jan	Jetstar
05 Dec - 26 Jan	Jetstar
05 Dec - 04 Jan	Royal Brunei
15 Dec - 30 Jan	Jetstar
05 Dec - 09 Jan	AirAsia X
31 Dec - 31 Jan	Jetstar
30 Dec - 02 Jan	Hainan Airlines
15 Dec - 27 Jan	Jetstar

Also check the deals for one-way flights from Melbourne 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 Melbourne to Bangkok in December from 276€

Return flights