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

Return flights

01 Sep - 11 Sep	Scoot
07 Sep - 12 Sep	Scoot
01 Sep - 15 Sep	Scoot
15 Sep - 22 Sep	Scoot
05 Sep - 19 Sep	Scoot
02 Sep - 20 Sep	Scoot
11 Sep - 20 Sep	AirAsia
02 Sep - 20 Sep	Jetstar	direct
11 Sep - 21 Sep	Scoot
21 Sep - 14 Oct	Scoot
11 Sep - 20 Sep	Jetstar	direct
29 Sep - 23 Oct	Scoot
21 Sep - 14 Oct	Jetstar	direct
25 Sep - 12 Oct	Scoot
23 Sep - 12 Oct	Indonesia AirAsia
24 Sep - 13 Oct	Jetstar
27 Sep - 09 Oct	Jetstar	direct
28 Sep - 09 Oct	Jetstar	direct
23 Sep - 12 Oct	Jetstar	direct
25 Sep - 12 Oct	Jetstar	direct

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

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 September from 219€

Return flights