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

Return flights

30 Jul - 06 Aug	Batik Air Malaysia
31 Jul - 02 Aug	Thai AirAsia
28 Jul - 01 Aug	Indonesia AirAsia
28 Jul - 29 Jul	Indonesia AirAsia
31 Jul - 20 Aug	AirAsia
31 Jul - 16 Aug	AirAsia
31 Jul - 11 Aug	AirAsia
31 Jul - 13 Aug	AirAsia
31 Jul - 21 Aug	AirAsia
31 Jul - 09 Aug	AirAsia
31 Jul - 18 Aug	AirAsia
29 Jul - 30 Jul	AirAsia
30 Jul - 31 Jul	Thai AirAsia
30 Jul - 30 Jul	Malaysia Airlines
28 Jul - 30 Jul	Thai AirAsia
28 Jul - 31 Jul	Thai AirAsia
27 Jul - 31 Jul	Thai AirAsia
29 Jul - 30 Jul	Thai Airways	direct

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 316€

Return flights