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

Return flights

18 May - 27 May	Scoot
02 May - 20 May	Scoot
07 May - 11 May	Scoot
14 May - 17 May	Scoot
04 May - 17 May	Scoot
01 May - 12 May	Scoot
10 May - 16 May	Scoot
05 May - 19 May	Scoot
14 May - 18 May	Scoot
07 May - 15 May	Scoot
26 May - 22 Jun	Scoot
13 May - 11 Jun	Scoot
26 May - 16 Jun	Scoot
08 May - 26 Jun	Scoot
14 May - 04 Jun	Scoot
13 May - 01 Jun	Jetstar	direct
31 May - 07 Jun	Jetstar	direct
08 May - 26 Jun	Jetstar	direct
01 May - 01 Jun	Jetstar	direct
28 May - 02 Jun	Scoot

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 222€

Return flights