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

Return flights

25 Aug - 03 Sep	AirAsia
24 Aug - 28 Sep	AirAsia
20 Aug - 27 Aug	Scoot
28 Aug - 04 Sep	AirAsia
27 Aug - 06 Sep	AirAsia
27 Aug - 05 Sep	AirAsia
27 Aug - 07 Sep	AirAsia
27 Aug - 03 Sep	AirAsia
26 Aug - 06 Sep	AirAsia
31 Aug - 06 Sep	AirAsia
27 Aug - 01 Sep	AirAsia
27 Aug - 31 Aug	AirAsia
27 Aug - 30 Aug	AirAsia
19 Aug - 22 Aug	AirAsia
20 Aug - 22 Aug	AirAsia
25 Aug - 27 Aug	AirAsia
19 Aug - 20 Aug	AirAsia
26 Aug - 31 Aug	AirAsia
27 Aug - 28 Aug	AirAsia
17 Aug - 22 Aug	AirAsia

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

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 Colombo in August from 351€

Return flights