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

Return flights

02 Dec - 08 Dec	AirAsia
06 Dec - 08 Dec	Thai AirAsia
01 Dec - 08 Dec	Thai AirAsia
02 Dec - 04 Dec	Thai AirAsia
05 Dec - 08 Dec	AirAsia
01 Dec - 04 Dec	Thai AirAsia
04 Dec - 08 Dec	Thai AirAsia
02 Dec - 06 Dec	Thai AirAsia
02 Dec - 03 Dec	Thai AirAsia
06 Dec - 09 Jan	Scoot Tigerair
01 Dec - 06 Dec	Thai AirAsia
17 Dec - 06 Jan	AirAsia
16 Dec - 06 Jan	AirAsia
27 Dec - 15 Jan	Thai AirAsia
31 Dec - 15 Jan	AirAsia
27 Dec - 16 Jan	Thai AirAsia
31 Dec - 19 Jan	AirAsia
31 Dec - 20 Jan	AirAsia
31 Dec - 16 Jan	AirAsia
31 Dec - 21 Jan	AirAsia

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

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 December from $332

Return flights