Cheapest return flights from Sydney to Phnom-penh in December from $581

Best time to book flights for Sydney (SYD) to Phnom-penh (PNH) flights at AirHint

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

Return flights

16 Dec - 27 Dec Philippine Airlines
06 Dec - 13 Dec Philippine Airlines
20 Dec - 24 Dec Malaysia Airlines
20 Dec - 02 Jan Philippine Airlines
06 Dec - 24 Dec AirAsia X
06 Dec - 27 Dec AirAsia X
16 Dec - 24 Dec AirAsia X
13 Dec - 24 Dec AirAsia X
13 Dec - 27 Dec AirAsia X
21 Dec - 24 Dec AirAsia X
19 Dec - 24 Dec AirAsia X

Also check the deals for one-way flights from Sydney to Phnom-penh in December.

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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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