AirHint found the following cheapest return flights from Perth (PER) to Bangkok (BKK) in August 2026 (see full year).

Return flights

03 Aug - 14 Aug	AirAsia
03 Aug - 15 Aug	AirAsia
03 Aug - 11 Aug	AirAsia
03 Aug - 19 Aug	AirAsia
03 Aug - 20 Aug	AirAsia
03 Aug - 21 Aug	AirAsia
03 Aug - 10 Aug	AirAsia
08 Aug - 15 Aug	Thai Airways	direct

Also check the deals for one-way flights from Perth to Bangkok 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 Perth to Bangkok in August from $446

Return flights