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

Return flights

03 Apr - 26 Apr	AirAsia
03 Apr - 19 Apr	AirAsia
04 Apr - 18 Apr	AirAsia
30 Apr - 05 May	Thai AirAsia
26 Apr - 03 May	AirAsia
29 Apr - 04 May	Thai AirAsia
08 Apr - 16 Apr	Jetstar
21 Apr - 26 Apr	Batik Air Malaysia
29 Apr - 03 May	Scoot
30 Apr - 03 May	AirAsia
30 Apr - 04 May	AirAsia
28 Apr - 02 May	AirAsia
27 Apr - 04 May	AirAsia
26 Apr - 04 May	AirAsia
03 Apr - 15 Apr	Thai AirAsia
03 Apr - 19 Apr	Jetstar	direct
03 Apr - 17 Apr	Jetstar	direct
04 Apr - 14 Apr	AirAsia
25 Apr - 02 May	Scoot
02 Apr - 06 Apr	AirAsia

Also check the deals for one-way flights from Bangkok to Perth 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 Bangkok to Perth in April from 214€

Return flights