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

Return flights

11 Dec - 16 Dec	Shenzhen Airlines
06 Dec - 14 Dec	Air China
15 Dec - 16 Jan	Air China
01 Dec - 15 Dec	Air China
05 Dec - 15 Dec	Air China
04 Dec - 15 Dec	Air China
01 Dec - 15 Jan	Air China
21 Dec - 09 Jan	Thai VietJet Air
21 Dec - 18 Jan	Air China
25 Dec - 09 Jan	China Airlines
20 Dec - 03 Jan	Air China
05 Dec - 06 Dec	China Southern
25 Dec - 25 Jan	Philippine Airlines
29 Dec - 11 Jan	Thai VietJet Air
25 Dec - 30 Dec	Cathay Pacific
31 Dec - 11 Jan	Thai VietJet Air
01 Dec - 14 Dec	AirAsia X
26 Dec - 01 Jan	Thai VietJet Air
01 Dec - 13 Dec	AirAsia X
27 Dec - 31 Dec	China Airlines

Also check the deals for one-way flights from Tokyo 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 Tokyo to Phnom-penh in December from 301€

Return flights