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

Return flights

05 Jul - 12 Jul	Cambodia Airways	direct
26 Jul - 31 Jul	Cambodia Airways	direct
24 Jul - 31 Jul	Cambodia Airways	direct
28 Jul - 31 Jul	Air Cambodia
10 Jul - 14 Jul	Cambodia Airways
05 Jul - 06 Jul	Cambodia Airways
17 Jul - 21 Jul	Cambodia Airways
03 Jul - 06 Jul	Cambodia Airways
21 Jul - 23 Jul	HK Express
20 Jul - 23 Jul	HK Express
27 Jul - 02 Aug	Vietnam Airlines
27 Jul - 03 Aug	HK Express
27 Jul - 02 Aug	Cathay Pacific	direct
27 Jul - 03 Aug	Cathay Pacific	direct

Also check the deals for one-way flights from Hong Kong to Phnom-penh in July.

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 Hong Kong to Phnom-penh in July from $217

Return flights