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

Return flights

02 Jul - 17 Jul	AirAsia
03 Jul - 17 Jul	AirAsia
05 Jul - 19 Jul	AirAsia
30 Jul - 12 Aug	Jetstar
01 Jul - 15 Jul	AirAsia
02 Jul - 15 Jul	AirAsia
02 Jul - 16 Jul	AirAsia
03 Jul - 15 Jul	AirAsia
03 Jul - 16 Jul	AirAsia
28 Jul - 04 Aug	Jetstar
01 Jul - 17 Jul	Scoot Tigerair
30 Jul - 05 Aug	Scoot Tigerair
29 Jul - 05 Aug	Scoot Tigerair
08 Jul - 21 Jul	Jetstar Asia
28 Jul - 04 Aug	Jetstar	direct
08 Jul - 15 Aug	Jetstar Asia
25 Jul - 01 Aug	Jetstar	direct
30 Jul - 10 Aug	AirAsia
30 Jul - 11 Aug	AirAsia
30 Jul - 14 Aug	AirAsia

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

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 July from $246

Return flights