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

Return flights

12 Oct - 18 Oct	VietJet Air
02 Oct - 06 Oct	Shenzhen Airlines
17 Oct - 24 Oct	Philippines AirAsia Inc.
06 Oct - 13 Oct	Singapore Airlines
31 Oct - 05 Nov	Vietnam Airlines
24 Oct - 12 Nov	Vietnam Airlines
28 Oct - 02 Nov	Vietnam Airlines
10 Oct - 17 Oct	Vietnam Airlines
01 Oct - 07 Oct	Vietnam Airlines
01 Oct - 06 Oct	Vietnam Airlines
22 Oct - 29 Oct	Vietnam Airlines
11 Oct - 14 Oct	Vietnam Airlines
20 Oct - 24 Nov	VietJet Air

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 $379

Return flights