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

Return flights

14 Sep - 03 Oct	Thai AirAsia
14 Sep - 28 Sep	Thai AirAsia
14 Sep - 26 Sep	Thai AirAsia
14 Sep - 19 Sep	Thai AirAsia
14 Sep - 01 Oct	Thai AirAsia
14 Sep - 15 Sep	Thai AirAsia
14 Sep - 29 Sep	Thai AirAsia
01 Sep - 03 Sep	AirAsia Cambodia
01 Sep - 05 Sep	AirAsia Cambodia
01 Sep - 10 Sep	AirAsia Cambodia
01 Sep - 12 Sep	AirAsia Cambodia
01 Sep - 19 Sep	AirAsia Cambodia
19 Sep - 06 Oct	Thai AirAsia
19 Sep - 03 Oct	Thai AirAsia
26 Sep - 03 Oct	AirAsia Cambodia
26 Sep - 06 Oct	AirAsia Cambodia
19 Sep - 01 Oct	Thai AirAsia
26 Sep - 01 Oct	AirAsia Cambodia

Also check the deals for one-way flights from Phnom-penh to Delhi in September.

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 Phnom-penh to Delhi in September from 282€

Return flights