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

Return flights

27 Dec - 12 Jan	AirAsia
12 Dec - 30 Jan	Malaysia Airlines
01 Dec - 08 Dec	IndiGo
22 Dec - 22 Jan	Malaysia Airlines
12 Dec - 27 Dec	AirAsia
12 Dec - 01 Jan	IndiGo
07 Dec - 21 Dec	FitsAir
09 Dec - 01 Jan	IndiGo
22 Dec - 05 Jan	Malaysia Airlines
01 Dec - 01 Jan	Singapore Airlines
18 Dec - 25 Dec	IndiGo
17 Dec - 25 Dec	IndiGo
19 Dec - 03 Jan	Malaysia Airlines
22 Dec - 29 Dec	IndiGo
23 Dec - 28 Dec	IndiGo
06 Dec - 27 Dec	IndiGo
20 Dec - 23 Dec	Singapore Airlines

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.

Book a cheap hotel in Perth

Cheap car rent in Perth

Cheapest return flights from Colombo to Perth in December from $559

Return flights