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

Return flights

01 Dec - 10 Dec	VietJet Air
04 Dec - 12 Dec	Jetstar
02 Dec - 10 Dec	Jetstar	direct
02 Dec - 18 Dec	Jetstar	direct
03 Dec - 17 Dec	Batik Air Malaysia
03 Dec - 17 Dec	Jetstar	direct
01 Dec - 29 Dec	VietJet Air
05 Dec - 13 Dec	Jetstar
01 Dec - 04 Dec	VietJet Air
02 Dec - 09 Dec	Jetstar
30 Dec - 13 Jan	Xiamen Airlines
03 Dec - 30 Jan	Jetstar
16 Dec - 01 Jan	Jetstar
01 Dec - 03 Jan	VietJet Air
11 Dec - 05 Jan	Jetstar	direct
11 Dec - 28 Jan	Jetstar	direct
12 Dec - 04 Jan	Jetstar
09 Dec - 08 Jan	Jetstar	direct
01 Dec - 06 Jan	VietJet Air
16 Dec - 24 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 379€

Return flights