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

Return flights

03 Dec - 07 Dec	Jetstar	direct
03 Dec - 10 Dec	Jetstar	direct
08 Dec - 22 Dec	Jetstar	direct
02 Dec - 16 Dec	Scoot
01 Dec - 15 Dec	Scoot
01 Dec - 15 Dec	Jetstar	direct
01 Dec - 17 Dec	Jetstar	direct
01 Dec - 08 Dec	Jetstar	direct
01 Dec - 18 Dec	Scoot
01 Dec - 07 Dec	Scoot
14 Dec - 09 Jan	Indonesia AirAsia
11 Dec - 19 Jan	Jetstar
29 Dec - 28 Jan	Indonesia AirAsia
14 Dec - 04 Jan	Indonesia AirAsia
23 Dec - 20 Jan	Jetstar
13 Dec - 04 Jan	Indonesia AirAsia
23 Dec - 15 Jan	Jetstar
08 Dec - 19 Jan	Jetstar
08 Dec - 14 Jan	Jetstar
03 Dec - 13 Jan	Jetstar

Also check the deals for one-way flights from Perth to Bangkok 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 Perth to Bangkok in December from 253€

Return flights