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

Return flights

30 Dec - 06 Jan	Xiamen Airlines
23 Dec - 01 Jan	China Southern
23 Dec - 06 Jan	Thai AirAsia
26 Dec - 30 Dec	Vietnam Airlines
23 Dec - 25 Dec	Thai AirAsia
23 Dec - 10 Jan	Thai AirAsia
26 Dec - 06 Jan	AirAsia Cambodia
23 Dec - 27 Dec	Thai AirAsia
30 Dec - 10 Jan	AirAsia Cambodia
26 Dec - 10 Jan	AirAsia Cambodia
23 Dec - 30 Dec	Thai AirAsia
30 Dec - 01 Jan	AirAsia Cambodia
26 Dec - 01 Jan	AirAsia Cambodia
26 Dec - 27 Dec	AirAsia Cambodia

Also check the deals for one-way flights from Phnom-penh to Osaka 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 Phnom-penh to Osaka in December from $365

Return flights