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

Return flights

05 Sep - 08 Sep	Hainan Airlines
06 Sep - 14 Sep	Jetstar	direct
09 Sep - 15 Sep	Jetstar	direct
06 Sep - 21 Sep	Jetstar	direct
08 Sep - 21 Sep	Jetstar	direct
02 Sep - 17 Sep	Jetstar	direct
01 Sep - 04 Sep	AirAsia X
08 Sep - 14 Sep	AirAsia X
01 Sep - 08 Sep	AirAsia X
02 Sep - 10 Sep	Jetstar	direct
30 Sep - 27 Oct	Scoot Tigerair
26 Sep - 15 Oct	Hainan Airlines
01 Sep - 06 Oct	AirAsia X
23 Sep - 27 Oct	Scoot Tigerair
26 Sep - 26 Oct	Scoot Tigerair
06 Sep - 08 Oct	Jetstar	direct
05 Sep - 27 Oct	VietJet Air
30 Sep - 19 Oct	Jetstar	direct
25 Sep - 15 Oct	China Southern
29 Sep - 20 Oct	AirAsia X

Also check the deals for one-way flights from Melbourne to Bangkok in September.

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 September from 283€

Return flights