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

Return flights

03 Dec - 10 Dec	Jetstar	direct
03 Dec - 08 Dec	Jetstar	direct
01 Dec - 11 Dec	Scoot
01 Dec - 06 Dec	Scoot
01 Dec - 08 Dec	Scoot
01 Dec - 05 Dec	Scoot
12 Dec - 15 Dec	Jetstar
02 Dec - 15 Dec	Scoot
01 Dec - 05 Dec	Jetstar	direct
01 Dec - 08 Dec	Jetstar	direct
10 Dec - 14 Jan	Jetstar
12 Dec - 14 Jan	Jetstar
11 Dec - 28 Jan	Jetstar
11 Dec - 15 Jan	Jetstar
16 Dec - 14 Jan	Jetstar
11 Dec - 19 Jan	Jetstar
13 Dec - 19 Jan	Jetstar
16 Dec - 13 Jan	Jetstar
14 Dec - 15 Jan	Jetstar
11 Dec - 29 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 $295

Return flights