Cheapest return flights from Sydney to Phnom-penh in April from $488

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 April 2025 (see full year).

Return flights

23 Apr - 21 May China Southern
23 Apr - 22 May China Southern
27 Apr - 30 Apr Scoot Tigerair
06 Apr - 15 Apr AirAsia X
06 Apr - 17 May Vietnam Airlines
21 Apr - 30 Apr Singapore Airlines
06 Apr - 16 Apr AirAsia X
08 Apr - 15 Apr AirAsia X
09 Apr - 15 Apr AirAsia X
23 Apr - 30 Apr AirAsia X
08 Apr - 16 Apr AirAsia X
09 Apr - 16 Apr AirAsia X
27 Apr - 17 May AirAsia X
06 Apr - 10 Apr AirAsia X
27 Apr - 05 May AirAsia X
23 Apr - 05 May AirAsia X
27 Apr - 01 May AirAsia X
16 Apr - 05 May AirAsia X
23 Apr - 01 May AirAsia X
16 Apr - 01 May AirAsia X

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

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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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