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

Return flights

01 Oct - 01 Oct	VietJet Air
15 Oct - 20 Oct	Air China
17 Oct - 22 Oct	Air China
09 Oct - 15 Oct	Singapore Airlines
01 Oct - 04 Oct	Singapore Airlines
06 Oct - 10 Oct	Singapore Airlines
06 Oct - 22 Oct	AirAsia X
06 Oct - 14 Oct	AirAsia X
06 Oct - 16 Oct	AirAsia X
06 Oct - 27 Oct	AirAsia X
31 Oct - 05 Nov	Philippine Airlines
22 Oct - 05 Nov	AirAsia X
16 Oct - 05 Nov	AirAsia X
15 Oct - 05 Nov	AirAsia X
17 Oct - 05 Nov	AirAsia X
22 Oct - 02 Nov	AirAsia X
16 Oct - 02 Nov	AirAsia X
12 Oct - 02 Nov	AirAsia X
15 Oct - 02 Nov	AirAsia X
20 Oct - 05 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 349€

Return flights