AirHint found the following cheapest return flights from Brisbane (BNE) to Phnom-penh (PNH) in December 2025 (see full year).

Return flights

24 Dec - 04 Jan	Jetstar
21 Dec - 31 Jan	Malaysia Airlines
24 Dec - 08 Jan	Singapore Airlines
20 Dec - 31 Dec	Singapore Airlines
17 Dec - 16 Jan	Malaysia Airlines
14 Dec - 09 Jan	Malaysia Airlines
23 Dec - 04 Jan	China Southern

Also check the deals for one-way flights from Brisbane to Phnom-penh 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 Phnom-penh

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Cheapest return flights from Brisbane to Phnom-penh in December from $890

Return flights