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

Return flights

24 Oct - 31 Oct	Cathay Pacific
06 Oct - 24 Oct	Spring Airlines	direct
06 Oct - 09 Oct	Spring Airlines	direct
01 Oct - 02 Oct	Spring Airlines	direct
24 Oct - 31 Oct	Spring Airlines	direct
24 Oct - 03 Nov	Thai AirAsia X
01 Oct - 09 Oct	Spring Airlines	direct
02 Oct - 09 Oct	Thai AirAsia X

Also check the deals for one-way flights from Shanghai 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 Shanghai to Phnom-penh in October from $301

Return flights