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

Return flights

30 Dec - 02 Jan	Japan Airlines
25 Dec - 01 Jan	Malaysia Airlines
27 Dec - 01 Jan	Japan Airlines
25 Dec - 30 Dec	Japan Airlines
27 Dec - 02 Jan	Japan Airlines
27 Dec - 03 Jan	Japan Airlines
28 Dec - 02 Jan	Malaysia Airlines

Also check the deals for one-way flights from Osaka 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 Osaka to Phnom-penh in December from 958€

Return flights