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

Return flights

11 Dec - 07 Jan	AirAsia
01 Dec - 03 Dec	Thai AirAsia
02 Dec - 03 Dec	Thai AirAsia
10 Dec - 11 Dec	Thai AirAsia
01 Dec - 11 Dec	Thai AirAsia
02 Dec - 11 Dec	Thai AirAsia
03 Dec - 11 Dec	Thai AirAsia
01 Dec - 04 Dec	Thai AirAsia
01 Dec - 08 Dec	Thai AirAsia
02 Dec - 04 Dec	Thai AirAsia
02 Dec - 08 Dec	Thai AirAsia
30 Dec - 05 Jan	Thai AirAsia
21 Dec - 01 Jan	VietJet Air
25 Dec - 13 Jan	Thai AirAsia
31 Dec - 20 Jan	Thai AirAsia
13 Dec - 02 Jan	AirAsia
31 Dec - 17 Jan	Thai AirAsia
30 Dec - 17 Jan	AirAsia
25 Dec - 15 Jan	Thai AirAsia
30 Dec - 20 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 291€

Return flights