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

Return flights

13 May - 20 May	Jetstar	direct
08 May - 25 May	Jetstar	direct
15 May - 27 May	Jetstar	direct
01 May - 16 May	AirAsia
01 May - 08 May	AirAsia
05 May - 12 May	AirAsia
10 May - 13 May	Scoot
10 May - 14 May	Scoot
13 May - 17 May	Jetstar	direct
22 May - 25 May	Jetstar	direct
19 May - 03 Jun	AirAsia
15 May - 06 Jun	Scoot
28 May - 18 Jun	Scoot
19 May - 03 Jun	Thai Airways	direct

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 $250

Return flights