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

Return flights

21 Apr - 28 Apr	AirAsia
24 Apr - 27 Apr	AirAsia
20 Apr - 01 May	AirAsia
23 Apr - 13 May	Scoot
28 Apr - 05 May	AirAsia
27 Apr - 04 May	Jetstar	direct
17 Apr - 22 May	Jetstar	direct
24 Apr - 03 May	Jetstar	direct
26 Apr - 06 May	Jetstar	direct
17 Apr - 02 May	AirAsia
18 Apr - 02 May	AirAsia
30 Apr - 07 May	AirAsia
22 Apr - 28 Apr	Scoot
23 Apr - 28 Apr	AirAsia
20 Apr - 25 Apr	Scoot
18 Apr - 27 Apr	Scoot
19 Apr - 27 Apr	Scoot
18 Apr - 28 Apr	Scoot
06 Apr - 28 Apr	AirAsia
08 Apr - 22 Apr	AirAsia

Also check the deals for one-way flights from Perth to Bangkok in April.

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 April from $252

Return flights