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

Return flights

24 Oct - 27 Oct	China Southern
23 Oct - 27 Oct	Air China
13 Oct - 17 Oct	Air China
02 Oct - 17 Oct	Thai AirAsia X
29 Oct - 17 Nov	AirAsia X
02 Oct - 19 Oct	Thai AirAsia X
02 Oct - 06 Oct	Thai AirAsia X
02 Oct - 03 Oct	Thai AirAsia X
02 Oct - 20 Oct	Thai AirAsia X
24 Oct - 26 Oct	Thai AirAsia X
23 Oct - 26 Oct	Thai AirAsia X
29 Oct - 14 Nov	AirAsia X
24 Oct - 14 Nov	Thai AirAsia X
29 Oct - 03 Nov	AirAsia X
24 Oct - 03 Nov	Thai AirAsia X
23 Oct - 03 Nov	Thai AirAsia X
13 Oct - 03 Nov	AirAsia X
29 Oct - 13 Nov	AirAsia X
24 Oct - 13 Nov	Thai AirAsia X
23 Oct - 13 Nov	Thai AirAsia X

Also check the deals for one-way flights from Osaka to Phnom-penh in October.

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 October from 357€

Return flights