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

Return flights

01 Dec - 05 Dec	AirAsia
25 Dec - 15 Jan	Thai AirAsia
10 Dec - 14 Dec	AirAsia
03 Dec - 14 Dec	Thai AirAsia
11 Dec - 14 Dec	Thai AirAsia
09 Dec - 14 Dec	Thai AirAsia
12 Dec - 14 Dec	AirAsia
01 Dec - 14 Dec	Thai AirAsia
01 Dec - 02 Dec	Thai AirAsia
04 Dec - 14 Dec	Thai AirAsia
01 Dec - 03 Dec	Thai AirAsia
23 Dec - 24 Jan	AirAsia
28 Dec - 17 Jan	AirAsia
01 Dec - 11 Jan	Thai AirAsia
28 Dec - 18 Jan	AirAsia
25 Dec - 07 Jan	Thai AirAsia
25 Dec - 11 Jan	Thai AirAsia
25 Dec - 08 Jan	Thai AirAsia
24 Dec - 07 Jan	Thai AirAsia
28 Dec - 16 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 $331

Return flights