Cheapest one-way flights from Hong Kong to Phnom-penh in September from $114

Best time to book flights for Hong Kong (HKG) to Phnom-penh (PNH) flights at AirHint

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

20 Sep Cambodia Airways direct
16 Sep Thai AirAsia
03 Sep Thai AirAsia
29 Sep Thai Lion Air
23 Sep Thai AirAsia
25 Sep Thai AirAsia
24 Sep Thai AirAsia
27 Sep Thai AirAsia
23 Sep Cathay Pacific direct

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

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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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