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

Return flights

07 Oct - 31 Oct	Singapore Airlines
01 Oct - 31 Oct	Singapore Airlines
01 Oct - 07 Oct	Singapore Airlines
27 Oct - 31 Oct	Singapore Airlines
24 Oct - 12 Nov	Singapore Airlines
18 Oct - 25 Oct	Vietnam Airlines
06 Oct - 11 Oct	AirAsia X
07 Oct - 11 Oct	AirAsia X
01 Oct - 11 Oct	AirAsia X
06 Oct - 12 Oct	AirAsia X
27 Oct - 12 Nov	AirAsia X
07 Oct - 12 Oct	AirAsia X
27 Oct - 08 Nov	AirAsia X
27 Oct - 13 Nov	AirAsia X
27 Oct - 15 Nov	AirAsia X
27 Oct - 05 Nov	AirAsia X
27 Oct - 07 Nov	AirAsia X
27 Oct - 14 Nov	AirAsia X
24 Oct - 08 Nov	AirAsia X
27 Oct - 01 Nov	AirAsia X

Also check the deals for one-way flights from Tokyo 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 Tokyo to Phnom-penh in October from $476

Return flights