AirHint found the following cheapest return flights from Zurich (ZRH) to Phnom-penh (PNH) in December 2025 (see full year).

Return flights

02 Dec - 16 Dec	SWISS
15 Dec - 16 Jan	Lufthansa
29 Dec - 19 Jan	Brussels Airlines
06 Dec - 20 Dec	Cathay Pacific
06 Dec - 27 Dec	Cathay Pacific
15 Dec - 28 Dec	Cathay Pacific
25 Dec - 19 Jan	Cathay Pacific
28 Dec - 19 Jan	Cathay Pacific
26 Dec - 19 Jan	Cathay Pacific
26 Dec - 13 Jan	Cathay Pacific
23 Dec - 15 Jan	Cathay Pacific
22 Dec - 12 Jan	Austrian Airlines
27 Dec - 09 Jan	British Airways
05 Dec - 04 Jan	Cathay Pacific

Also check the deals for one-way flights from Zurich to Phnom-penh in December.

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 Zurich to Phnom-penh in December from 693€

Return flights