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

Return flights

01 Oct - 01 Oct	VietJet Air
18 Oct - 21 Oct	Shenzhen Airlines
19 Oct - 22 Oct	Air China
06 Oct - 09 Oct	Singapore Airlines
07 Oct - 14 Oct	Singapore Airlines
16 Oct - 20 Oct	Singapore Airlines
22 Oct - 25 Oct	Singapore Airlines
20 Oct - 27 Oct	Air China
22 Oct - 02 Nov	Air China
17 Oct - 20 Oct	Air China
24 Oct - 12 Nov	Singapore Airlines
06 Oct - 12 Oct	AirAsia X
31 Oct - 06 Nov	AirAsia X
31 Oct - 05 Nov	AirAsia X
21 Oct - 06 Nov	AirAsia X
21 Oct - 05 Nov	AirAsia X
18 Oct - 06 Nov	AirAsia X
19 Oct - 06 Nov	AirAsia X
31 Oct - 14 Nov	AirAsia X
16 Oct - 06 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 $406

Return flights