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

Return flights

20 Sep - 25 Oct	AirAsia
21 Sep - 12 Oct	AirAsia
17 Sep - 02 Oct	AirAsia
01 Sep - 30 Sep	AirAsia
04 Sep - 11 Sep	AirAsia
05 Sep - 12 Sep	AirAsia
03 Sep - 05 Sep	AirAsia
01 Sep - 05 Sep	AirAsia
01 Sep - 12 Sep	AirAsia
10 Sep - 24 Sep	FitsAir
02 Sep - 05 Sep	AirAsia
02 Sep - 12 Sep	AirAsia
19 Sep - 09 Oct	AirAsia
06 Sep - 12 Sep	AirAsia
20 Sep - 09 Oct	AirAsia
30 Sep - 09 Oct	AirAsia
11 Sep - 01 Oct	AirAsia
17 Sep - 06 Oct	AirAsia
18 Sep - 06 Oct	AirAsia
30 Sep - 11 Oct	AirAsia

Also check the deals for one-way flights from Colombo to Melbourne 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 Colombo to Melbourne in September from 417€

Return flights