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

Return flights

10 Sep - 17 Sep	VietJet Air
28 Sep - 26 Oct	Jetstar	direct
12 Sep - 20 Sep	VietJet Air
09 Sep - 16 Sep	Jetstar
07 Sep - 23 Oct	Jetstar	direct
11 Sep - 16 Sep	VietJet Air
07 Sep - 16 Sep	Jetstar
28 Sep - 28 Oct	Jetstar
07 Sep - 09 Sep	Jetstar
09 Sep - 14 Oct	China Southern
30 Sep - 15 Oct	China Southern
22 Sep - 13 Oct	China Southern
29 Sep - 29 Oct	China Southern
21 Sep - 31 Oct	China Southern
16 Sep - 14 Oct	China Southern
30 Sep - 13 Oct	China Southern
10 Sep - 15 Sep	China Southern
13 Sep - 18 Sep	China Southern
08 Sep - 17 Sep	China Southern
11 Sep - 17 Sep	China Southern

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 $447

Return flights