AirHint found the following cheapest return flights from Bangkok (BKK) to Perth (PER) in January 2026 (see full year).

Return flights

19 Jan - 28 Jan	Thai AirAsia
14 Jan - 26 Jan	Scoot
15 Jan - 22 Jan	Thai Lion Air
22 Jan - 28 Jan	Thai Lion Air
13 Jan - 26 Jan	Scoot
13 Jan - 18 Jan	Thai AirAsia
22 Jan - 28 Feb	Thai AirAsia
26 Jan - 15 Feb	Scoot
16 Jan - 30 Jan	Philippine Airlines
18 Jan - 30 Jan	Scoot
29 Jan - 05 Feb	Thai AirAsia
22 Jan - 27 Jan	Thai AirAsia
26 Jan - 27 Jan	Thai AirAsia
19 Jan - 01 Feb	Thai AirAsia
26 Jan - 01 Feb	Thai AirAsia
18 Jan - 14 Feb	Thai AirAsia
05 Jan - 15 Feb	Indonesia AirAsia
07 Jan - 06 Feb	Scoot
04 Jan - 15 Feb	Thai Lion Air
26 Jan - 15 Feb	Jetstar	direct

Also check the deals for one-way flights from Bangkok to Perth in January.

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 January from $439

Return flights