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

Return flights

04 Dec - 24 Dec	Batik Air Malaysia
03 Dec - 08 Dec	Jetstar
15 Dec - 22 Dec	AirAsia X
03 Dec - 07 Dec	Jetstar
02 Dec - 03 Dec	Scoot
07 Dec - 09 Dec	Scoot
01 Dec - 07 Dec	Scoot
01 Dec - 04 Dec	Scoot
03 Dec - 23 Dec	Jetstar
04 Dec - 10 Dec	Scoot
05 Dec - 02 Jan	Scoot
07 Dec - 05 Jan	Scoot
04 Dec - 05 Jan	Scoot
04 Dec - 06 Jan	Scoot
11 Dec - 01 Jan	Jetstar
07 Dec - 01 Jan	Scoot
06 Dec - 05 Jan	Scoot
15 Dec - 02 Jan	Hainan Airlines
08 Dec - 20 Jan	Scoot
16 Dec - 03 Jan	AirAsia X

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 409€

Return flights