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

Return flights

06 May - 18 May	Scoot
08 May - 12 May	Scoot
04 May - 17 May	Scoot
05 May - 14 May	Scoot
17 May - 20 May	Scoot
18 May - 21 May	Scoot
13 May - 17 May	Scoot
07 May - 18 May	Scoot
03 May - 08 May	Scoot
11 May - 18 May	Scoot
30 May - 07 Jun	Scoot
26 May - 22 Jun	Scoot
01 May - 10 Jun	Scoot
28 May - 12 Jun	Scoot
25 May - 22 Jun	Scoot
19 May - 04 Jun	Scoot
01 May - 10 Jun	Jetstar	direct
13 May - 01 Jun	Jetstar	direct
25 May - 02 Jun	Scoot
25 May - 01 Jun	Jetstar	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 $252

Return flights