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

Return flights

18 Aug - 24 Aug	Jetstar
22 Aug - 24 Aug	AirAsia
13 Aug - 16 Sep	Jetstar
15 Aug - 24 Aug	Jetstar
24 Aug - 27 Aug	Jetstar
11 Aug - 15 Aug	AirAsia
10 Aug - 17 Aug	AirAsia
27 Aug - 12 Sep	Jetstar	direct
15 Aug - 24 Aug	Jetstar	direct
15 Aug - 18 Aug	Jetstar	direct
20 Aug - 25 Aug	Jetstar	direct
31 Aug - 05 Sep	Jetstar
22 Aug - 31 Aug	Jetstar	direct
28 Aug - 01 Sep	Scoot
28 Aug - 03 Sep	Scoot
14 Aug - 17 Sep	Scoot
21 Aug - 08 Sep	AirAsia
22 Aug - 08 Sep	AirAsia
18 Aug - 08 Sep	AirAsia
25 Aug - 08 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 $244

Return flights