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

Return flights

29 Dec - 15 Jan	AirAsia
29 Dec - 16 Jan	AirAsia
31 Dec - 15 Jan	AirAsia
31 Dec - 16 Jan	AirAsia
17 Dec - 05 Jan	AirAsia
31 Dec - 21 Jan	AirAsia
17 Dec - 07 Jan	AirAsia
04 Dec - 08 Dec	AirAsia
17 Dec - 02 Jan	AirAsia
09 Dec - 29 Dec	AirAsia
09 Dec - 28 Dec	AirAsia
17 Dec - 29 Dec	AirAsia
17 Dec - 28 Dec	AirAsia
08 Dec - 29 Dec	AirAsia
08 Dec - 28 Dec	AirAsia
09 Dec - 17 Dec	AirAsia
09 Dec - 22 Dec	AirAsia
09 Dec - 24 Dec	AirAsia
17 Dec - 01 Jan	AirAsia
17 Dec - 03 Jan	AirAsia

Also check the deals for one-way flights from Colombo to Perth 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 Perth in December from 524€

Return flights