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

Return flights

01 Dec - 15 Dec	Jetstar
01 Dec - 08 Dec	Jetstar
01 Dec - 10 Dec	Scoot
03 Dec - 10 Dec	Scoot
05 Dec - 10 Dec	Scoot
04 Dec - 10 Dec	Scoot
01 Dec - 02 Dec	Scoot
05 Dec - 09 Dec	Scoot
03 Dec - 06 Dec	Scoot
04 Dec - 05 Dec	Scoot
29 Dec - 12 Jan	Hainan Airlines
01 Dec - 22 Jan	Jetstar
31 Dec - 15 Jan	Hainan Airlines
31 Dec - 24 Jan	Hainan Airlines
01 Dec - 02 Jan	Scoot
29 Dec - 14 Jan	Hainan Airlines
02 Dec - 14 Jan	IndiGo
09 Dec - 22 Jan	Batik Air Malaysia
04 Dec - 05 Jan	IndiGo
04 Dec - 06 Jan	IndiGo

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 $481

Return flights