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

Return flights

15 Sep - 15 Oct	VietJet Air
07 Sep - 25 Sep	Jetstar	direct
14 Sep - 25 Sep	Jetstar	direct
01 Sep - 16 Sep	VietJet Air
15 Sep - 21 Sep	VietJet Air
12 Sep - 23 Sep	Jetstar	direct
12 Sep - 20 Sep	Jetstar	direct
07 Sep - 13 Sep	Jetstar	direct
05 Sep - 09 Sep	VietJet Air
12 Sep - 16 Sep	Jetstar	direct
07 Sep - 11 Sep	Jetstar
28 Sep - 14 Oct	Jetstar	direct
24 Sep - 14 Oct	Jetstar	direct
26 Sep - 01 Oct	VietJet Air
29 Sep - 06 Oct	VietJet Air
25 Sep - 10 Oct	VietJet Air
26 Sep - 10 Oct	VietJet Air
24 Sep - 21 Oct	VietJet Air
23 Sep - 14 Oct	Jetstar
26 Sep - 29 Oct	VietJet Air

Also check the deals for one-way flights from Brisbane 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 Brisbane to Bangkok in September from 362€

Return flights