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

Return flights

02 Nov - 18 Nov	Singapore Airlines
11 Nov - 30 Nov	China Southern
02 Nov - 09 Nov	China Southern
06 Nov - 09 Nov	China Southern
02 Nov - 17 Nov	China Southern
06 Nov - 20 Nov	China Southern
11 Nov - 04 Dec	China Southern
25 Nov - 02 Dec	Singapore Airlines
11 Nov - 20 Nov	AirAsia X
10 Nov - 20 Nov	AirAsia X
11 Nov - 15 Nov	AirAsia X
10 Nov - 15 Nov	AirAsia X
26 Nov - 04 Dec	AirAsia X
26 Nov - 15 Dec	AirAsia X
26 Nov - 05 Dec	AirAsia X
25 Nov - 04 Dec	AirAsia X
25 Nov - 15 Dec	AirAsia X
25 Nov - 05 Dec	AirAsia X
24 Nov - 04 Dec	AirAsia X
24 Nov - 15 Dec	AirAsia X

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

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 Sydney to Phnom-penh in November from $509

Return flights