Cheapest one-way flights from Hong Kong to Phnom-penh in September from $111

AirHint found the following cheapest one-way flights from Hong Kong (HKG) to Phnom-penh (PNH) in September 2025 (see full year).

One-Way flights

09 Sep Cambodia Airways direct
14 Sep HK Express
03 Sep Thai AirAsia
26 Sep Thai Lion Air
07 Sep HK Express
27 Sep HK Express
19 Sep Thai AirAsia
13 Sep Thai AirAsia
30 Sep Cambodia Airways direct
28 Sep HK Express

Also check the deals for return flights from Hong Kong to Phnom-penh in September.

Skyscanner

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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