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

Return flights

25 May - 31 May	Jetstar	direct
05 May - 11 May	Scoot
01 May - 08 May	Jetstar	direct
01 May - 04 May	AirAsia
13 May - 21 May	Thai AirAsia
12 May - 21 May	Thai AirAsia
01 May - 21 May	AirAsia
11 May - 21 May	AirAsia
01 May - 03 May	AirAsia
05 May - 21 May	Thai AirAsia
25 May - 08 Jun	AirAsia
25 May - 12 Jun	AirAsia

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 $280

Return flights