AirHint found the following cheapest one-way flights from Sydney (SYD) to Phnom-penh (PNH) in September 2025 (see full year).
One-Way flights
| 18 Sep | Scoot Tigerair | ||
| 07 Sep | AirAsia X | ||
| 19 Sep | Vietnam Airlines | ||
| 21 Sep | AirAsia X | ||
| 23 Sep | Cathay Pacific | ||
| 28 Sep | AirAsia X |
Also check the deals for return flights from Sydney to Phnom-penh in September.
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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