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

Return flights

31 May - 06 Jun	Scoot
06 May - 27 May	Scoot
01 May - 08 May	Scoot
06 May - 20 May	Scoot
07 May - 14 May	Scoot
11 May - 09 Jun	Scoot
04 May - 22 Jun	Scoot
29 May - 05 Jun	Jetstar	direct
06 May - 27 May	Jetstar	direct
01 May - 08 May	Jetstar	direct
06 May - 20 May	Jetstar	direct
04 May - 22 Jun	Jetstar	direct
28 May - 02 Jun	Scoot
28 May - 01 Jun	Scoot
07 May - 12 May	AirAsia
07 May - 20 May	AirAsia
04 May - 20 May	AirAsia
22 May - 08 Jun	AirAsia
22 May - 02 Jun	AirAsia
23 May - 08 Jun	Indonesia AirAsia

Also check the deals for one-way flights from Perth to Bangkok 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 Perth to Bangkok in May from 188€

Return flights