AirHint found the following cheapest return flights from Perth (PER) to Colombo (CMB) in September 2025 (see full year).

Return flights

02 Sep - 08 Sep	Batik Air Malaysia
15 Sep - 19 Sep	AirAsia
01 Sep - 10 Sep	AirAsia
12 Sep - 25 Sep	AirAsia
18 Sep - 19 Sep	AirAsia
06 Sep - 19 Sep	AirAsia
12 Sep - 19 Sep	AirAsia
12 Sep - 16 Sep	AirAsia
06 Sep - 08 Sep	AirAsia
06 Sep - 16 Sep	AirAsia
30 Sep - 19 Oct	AirAsia
24 Sep - 30 Oct	AirAsia
29 Sep - 09 Oct	AirAsia
28 Sep - 19 Oct	AirAsia
18 Sep - 06 Oct	AirAsia
30 Sep - 06 Oct	AirAsia
30 Sep - 13 Oct	AirAsia
18 Sep - 08 Oct	AirAsia
30 Sep - 08 Oct	AirAsia
28 Sep - 06 Oct	AirAsia

Also check the deals for one-way flights from Perth to Colombo 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.

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from Perth to Colombo in September from 303€

Return flights