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

Return flights

17 Aug - 24 Aug	AirAsia
06 Aug - 11 Aug	Jetstar
11 Aug - 17 Aug	AirAsia
13 Aug - 27 Aug	Jetstar
07 Aug - 15 Aug	Thai AirAsia
15 Aug - 20 Aug	Thai AirAsia
11 Aug - 17 Aug	Jetstar	direct
06 Aug - 15 Aug	Jetstar	direct
15 Aug - 20 Aug	Jetstar	direct
17 Aug - 24 Aug	Jetstar	direct
27 Aug - 01 Sep	Jetstar	direct
11 Aug - 01 Sep	Jetstar	direct
31 Aug - 04 Sep	Thai AirAsia
31 Aug - 02 Sep	Thai AirAsia
14 Aug - 04 Sep	Thai AirAsia
14 Aug - 02 Sep	Thai AirAsia
22 Aug - 04 Sep	AirAsia
22 Aug - 02 Sep	AirAsia
20 Aug - 04 Sep	AirAsia
20 Aug - 02 Sep	AirAsia

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 $240

Return flights