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

Return flights

12 Sep - 19 Sep	Batik Air Malaysia
26 Sep - 07 Oct	AirAsia X
14 Sep - 21 Sep	Batik Air Malaysia
26 Sep - 28 Oct	AirAsia X
26 Sep - 12 Oct	AirAsia X
27 Sep - 17 Oct	AirAsia X
28 Sep - 08 Oct	Batik Air Malaysia
13 Sep - 20 Sep	Batik Air Malaysia
27 Sep - 12 Oct	AirAsia X
26 Sep - 29 Oct	AirAsia X
26 Sep - 15 Oct	AirAsia X
26 Sep - 11 Oct	AirAsia X
26 Sep - 10 Oct	AirAsia X
13 Sep - 17 Sep	AirAsia X
15 Sep - 22 Sep	Virgin Australia
12 Sep - 21 Sep	Jetstar
13 Sep - 15 Sep	AirAsia X
10 Sep - 14 Sep	Cathay Pacific
17 Sep - 20 Sep	AirAsia X
12 Sep - 19 Sep	SriLankan Airlines	direct

Also check the deals for one-way flights from Melbourne 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.

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Cheapest return flights from Melbourne to Colombo in September from 540€

Return flights