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

Return flights

08 May - 09 May	AirAsia
14 May - 20 May	Thai AirAsia
15 May - 16 May	AirAsia
15 May - 17 May	AirAsia
07 May - 08 May	AirAsia
04 May - 05 May	AirAsia
14 May - 15 May	AirAsia
09 May - 13 May	Thai AirAsia
01 May - 06 May	AirAsia
04 May - 06 May	AirAsia
27 May - 08 Jun	Thai VietJet Air
27 May - 12 Jun	VietJet Air
29 May - 06 Jun	Jetstar
27 May - 12 Jun	Jetstar	direct
27 May - 08 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 222€

Return flights