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

Return flights

05 Aug - 13 Aug	AirAsia
01 Aug - 06 Aug	AirAsia
22 Aug - 29 Aug	Jetstar
01 Aug - 08 Aug	Jetstar
01 Aug - 31 Aug	Jetstar
01 Aug - 10 Aug	Jetstar
08 Aug - 17 Aug	AirAsia
13 Aug - 31 Aug	Jetstar	direct
22 Aug - 07 Sep	Jetstar	direct
01 Aug - 10 Aug	Jetstar	direct
13 Aug - 17 Aug	Jetstar	direct
29 Aug - 03 Sep	Jetstar	direct
28 Aug - 05 Sep	Scoot Tigerair
14 Aug - 04 Sep	AirAsia
19 Aug - 04 Sep	AirAsia
21 Aug - 04 Sep	AirAsia
21 Aug - 11 Sep	AirAsia
19 Aug - 05 Sep	AirAsia
21 Aug - 05 Sep	AirAsia
27 Aug - 04 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