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

Return flights

24 Dec - 13 Jan	AirAsia
24 Dec - 14 Jan	AirAsia
27 Dec - 13 Jan	AirAsia
27 Dec - 15 Jan	AirAsia
27 Dec - 16 Jan	AirAsia
27 Dec - 14 Jan	AirAsia
25 Dec - 13 Jan	AirAsia
25 Dec - 15 Jan	AirAsia
25 Dec - 14 Jan	AirAsia
24 Dec - 10 Jan	AirAsia
01 Dec - 03 Dec	AirAsia
01 Dec - 06 Dec	AirAsia
01 Dec - 04 Dec	AirAsia
02 Dec - 31 Dec	Singapore Airlines
08 Dec - 31 Dec	Singapore Airlines
01 Dec - 07 Dec	AirAsia
03 Dec - 06 Dec	AirAsia
01 Dec - 10 Dec	AirAsia
05 Dec - 08 Dec	AirAsia
05 Dec - 07 Dec	AirAsia

Also check the deals for one-way flights from Colombo to Melbourne in December.

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 December from 588€

Return flights