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

Return flights

03 Dec - 06 Dec	Air China
15 Dec - 21 Dec	Air China
01 Dec - 04 Dec	Vietnam Airlines
06 Dec - 07 Dec	Vietnam Airlines
01 Dec - 09 Dec	AirAsia X
03 Dec - 09 Dec	AirAsia X
25 Dec - 07 Jan	Philippine Airlines
04 Dec - 09 Dec	AirAsia X
23 Dec - 27 Dec	EVA Air
01 Dec - 14 Dec	AirAsia X
03 Dec - 14 Dec	AirAsia X
15 Dec - 05 Jan	AirAsia X
30 Dec - 02 Jan	EVA Air
29 Dec - 04 Jan	EVA Air
15 Dec - 04 Jan	AirAsia X
15 Dec - 01 Jan	AirAsia X
25 Dec - 01 Jan	Asiana Airlines
28 Dec - 04 Jan	EVA Air
16 Dec - 06 Jan	AirAsia X
27 Dec - 04 Jan	EVA Air

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 $371

Return flights