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

Return flights

01 Dec - 14 Dec	TransNusa
05 Dec - 14 Dec	Indonesia AirAsia
02 Dec - 11 Dec	AirAsia
02 Dec - 03 Dec	AirAsia
02 Dec - 15 Dec	AirAsia
01 Dec - 11 Dec	AirAsia
01 Dec - 03 Dec	AirAsia
02 Dec - 16 Dec	AirAsia
01 Dec - 15 Dec	AirAsia
02 Dec - 17 Dec	AirAsia
11 Dec - 29 Jan	Batik Air Malaysia
21 Dec - 09 Jan	Indonesia AirAsia
03 Dec - 06 Jan	AirAsia
11 Dec - 01 Jan	AirAsia
31 Dec - 01 Jan	AirAsia
30 Dec - 01 Jan	AirAsia
28 Dec - 01 Jan	AirAsia
31 Dec - 19 Jan	AirAsia
16 Dec - 01 Jan	AirAsia
09 Dec - 06 Jan	AirAsia

Also check the deals for one-way flights from Perth to Colombo 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 Perth to Colombo in December from 375€

Return flights