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

Return flights

29 Sep - 27 Oct	Scoot
30 Sep - 30 Oct	VietJet Air
28 Sep - 13 Oct	Hainan Airlines
15 Sep - 15 Oct	VietJet Air
30 Sep - 31 Oct	VietJet Air
27 Sep - 13 Oct	AirAsia X
27 Sep - 15 Oct	AirAsia X
16 Sep - 23 Sep	Jetstar
26 Sep - 15 Oct	AirAsia X
30 Sep - 25 Oct	VietJet Air
12 Sep - 15 Sep	VietJet Air
26 Sep - 19 Oct	Scoot
14 Sep - 21 Sep	VietJet Air
15 Sep - 22 Sep	Jetstar
12 Sep - 17 Sep	Jetstar
18 Sep - 23 Sep	Jetstar
13 Sep - 16 Sep	Jetstar
18 Sep - 22 Sep	Jetstar
14 Sep - 14 Sep	VietJet Air
19 Sep - 23 Sep	Batik Air

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Melbourne to Bangkok in September from 303€

Return flights