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

Return flights

02 Dec - 13 Dec	Jetstar
05 Dec - 09 Dec	Jetstar
07 Dec - 12 Dec	Jetstar
02 Dec - 09 Dec	Jetstar
11 Dec - 17 Dec	Batik Air
02 Dec - 06 Dec	Jetstar
02 Dec - 18 Dec	Jetstar
04 Dec - 17 Dec	Jetstar
02 Dec - 18 Dec	Jetstar	direct
04 Dec - 06 Dec	Jetstar
01 Dec - 01 Jan	Jetstar
07 Dec - 01 Jan	Jetstar
03 Dec - 02 Jan	VietJet Air
01 Dec - 31 Jan	Jetstar
16 Dec - 01 Jan	Jetstar
09 Dec - 01 Jan	Scoot
01 Dec - 04 Jan	Jetstar
06 Dec - 04 Jan	Jetstar
07 Dec - 04 Jan	Royal Brunei
05 Dec - 02 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 $401

Return flights