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

Return flights

12 Dec - 12 Jan	Jetstar
04 Dec - 09 Dec	AirAsia
12 Dec - 12 Jan	Jetstar	direct
05 Dec - 07 Dec	Jetstar	direct
06 Dec - 09 Dec	Thai AirAsia
05 Dec - 09 Dec	Thai AirAsia
05 Dec - 10 Dec	Jetstar	direct
03 Dec - 14 Dec	Thai AirAsia
06 Dec - 14 Dec	Thai AirAsia
13 Dec - 14 Dec	AirAsia
10 Dec - 14 Dec	AirAsia
03 Dec - 11 Dec	Thai AirAsia
31 Dec - 06 Jan	Scoot
25 Dec - 15 Jan	Thai AirAsia
27 Dec - 17 Jan	Thai AirAsia
27 Dec - 15 Jan	Thai AirAsia
28 Dec - 17 Jan	AirAsia
26 Dec - 05 Jan	Jetstar	direct
16 Dec - 06 Jan	Thai AirAsia
28 Dec - 18 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 $315

Return flights