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

Return flights

23 Apr - 13 May	Scoot
25 Apr - 02 May	Scoot
25 Apr - 01 May	Scoot
16 Apr - 22 May	Scoot
30 Apr - 16 May	Scoot
16 Apr - 27 Apr	Scoot
23 Apr - 30 Apr	Scoot
15 Apr - 22 Apr	AirAsia
01 Apr - 30 Apr	Batik Air Malaysia
23 Apr - 01 May	Indonesia AirAsia
20 Apr - 28 Apr	AirAsia
23 Apr - 29 Apr	Indonesia AirAsia
23 Apr - 24 Apr	Indonesia AirAsia
16 Apr - 26 Apr	Scoot
20 Apr - 01 May	AirAsia
23 Apr - 06 May	Indonesia AirAsia
23 Apr - 27 Apr	Indonesia AirAsia
23 Apr - 08 May	Indonesia AirAsia
20 Apr - 29 Apr	AirAsia
20 Apr - 07 May	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 199€

Return flights