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

Return flights

05 Oct - 08 Oct	Thai AirAsia X
01 Oct - 08 Oct	AirAsia X
05 Oct - 12 Oct	Thai AirAsia X
10 Oct - 12 Oct	AirAsia X
01 Oct - 12 Oct	AirAsia X
05 Oct - 13 Oct	Thai AirAsia X
10 Oct - 13 Oct	AirAsia X
01 Oct - 13 Oct	AirAsia X
01 Oct - 06 Oct	AirAsia X
31 Oct - 10 Nov	AirAsia X
01 Oct - 05 Oct	AirAsia X
31 Oct - 09 Nov	AirAsia X
29 Oct - 10 Nov	AirAsia X
29 Oct - 09 Nov	AirAsia X

Also check the deals for one-way flights from Delhi 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 Delhi to Phnom-penh in October from $342

Return flights