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

Return flights

09 Apr - 16 Apr	Scoot
30 Apr - 04 May	AirAsia
25 Apr - 04 May	Thai AirAsia
28 Apr - 04 May	Thai AirAsia
23 Apr - 04 May	Thai AirAsia
30 Apr - 21 May	AirAsia
30 Apr - 03 May	AirAsia
24 Apr - 04 May	AirAsia
09 Apr - 13 Apr	Scoot
25 Apr - 03 May	Thai AirAsia
28 Apr - 03 May	Thai AirAsia
23 Apr - 03 May	Thai AirAsia
03 Apr - 23 Apr	Thai AirAsia
03 Apr - 19 Apr	Thai AirAsia
25 Apr - 30 Apr	Thai AirAsia
28 Apr - 30 Apr	Thai AirAsia
01 Apr - 19 Apr	Thai AirAsia
23 Apr - 30 Apr	Thai AirAsia
24 Apr - 30 Apr	AirAsia
03 Apr - 15 Apr	Thai 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 $326

Return flights