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

Return flights

09 May - 16 May	Scoot
13 May - 19 May	Scoot
01 May - 10 May	Scoot
06 May - 14 May	Scoot
05 May - 12 May	Scoot
02 May - 14 May	Scoot
18 May - 15 Jun	Scoot
11 May - 22 May	Scoot
18 May - 08 Jun	Scoot
12 May - 22 May	AirAsia
11 May - 22 May	Jetstar	direct
08 May - 25 May	Jetstar	direct
18 May - 15 Jun	Jetstar	direct
18 May - 08 Jun	Jetstar	direct
02 May - 02 Jun	Scoot
31 May - 16 Jun	Indonesia AirAsia
27 May - 04 Jun	Scoot
28 May - 04 Jun	Scoot
27 May - 04 Jun	Thai Airways	direct
31 May - 16 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 201€

Return flights