AirHint found the following cheapest return flights from Bangkok (BKK) to Perth (PER) in August 2025 (see full year).

Return flights

22 Aug - 07 Sep	AirAsia
11 Aug - 18 Aug	AirAsia
20 Aug - 27 Aug	Jetstar
27 Aug - 30 Aug	AirAsia
18 Aug - 24 Aug	Jetstar
07 Aug - 18 Aug	AirAsia
25 Aug - 31 Aug	Jetstar
06 Aug - 26 Aug	AirAsia
13 Aug - 20 Aug	Jetstar
10 Aug - 17 Aug	AirAsia
29 Aug - 12 Sep	Jetstar
25 Aug - 31 Aug	Jetstar	direct
22 Aug - 07 Sep	Jetstar	direct
29 Aug - 05 Sep	Jetstar	direct
29 Aug - 12 Sep	Jetstar	direct
26 Aug - 16 Sep	Scoot Tigerair
28 Aug - 01 Sep	Scoot Tigerair
26 Aug - 12 Sep	Scoot Tigerair
29 Aug - 01 Sep	VietJet Air
29 Aug - 02 Sep	Jetstar

Also check the deals for one-way flights from Bangkok to Perth in August.

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 Bangkok to Perth in August from 197€

Return flights