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

Return flights

04 Dec - 15 Dec	Air China
13 Dec - 17 Dec	Air China
10 Dec - 14 Dec	Air China
01 Dec - 18 Dec	Air China
04 Dec - 07 Dec	Air China
08 Dec - 10 Dec	Air China
08 Dec - 31 Dec	China Southern
19 Dec - 21 Dec	China Southern
08 Dec - 01 Jan	China Southern
22 Dec - 29 Dec	China Southern
05 Dec - 07 Dec	China Southern
25 Dec - 01 Jan	China Southern
31 Dec - 16 Jan	China Southern
19 Dec - 05 Jan	Asiana Airlines
24 Dec - 06 Jan	China Southern
25 Dec - 06 Jan	China Southern
25 Dec - 11 Jan	China Southern
24 Dec - 09 Jan	Asiana Airlines
25 Dec - 04 Jan	Asiana Airlines
31 Dec - 07 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.

Book a cheap hotel in Phnom-penh

Cheap car rent in Phnom-penh

Cheapest return flights from Tokyo to Phnom-penh in December from $345

Return flights