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

Return flights

05 May - 12 May	AirAsia
01 May - 10 May	Thai AirAsia
13 May - 20 May	AirAsia
08 May - 15 May	Jetstar	direct
04 May - 13 May	Jetstar	direct
01 May - 01 Jun	AirAsia
13 May - 20 May	Jetstar	direct
13 May - 17 May	Jetstar	direct
04 May - 04 May	AirAsia
18 May - 26 May	AirAsia
29 May - 07 Jun	Jetstar	direct
31 May - 07 Jun	Jetstar	direct
27 May - 28 May	Thai AirAsia
29 May - 03 Jun	Jetstar	direct
30 May - 03 Jun	Thai AirAsia
01 May - 01 Jun	Jetstar	direct
30 May - 03 Jun	Thai Airways	direct

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

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 May from $281

Return flights