Cheapest return flights from Singapore to Phnom-penh in September from $171

Best time to book flights for Singapore (SIN) to Phnom-penh (PNH) flights at AirHint

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

Return flights

19 Sep - 23 Sep Malaysia Airlines
06 Sep - 09 Sep Malaysia Airlines
19 Sep - 23 Sep Singapore Airlines direct
06 Sep - 09 Sep Singapore Airlines direct
19 Sep - 02 Oct Thai AirAsia
14 Sep - 02 Oct Thai AirAsia
19 Sep - 10 Oct Thai AirAsia
14 Sep - 23 Sep Thai AirAsia
07 Sep - 23 Sep AirAsia
07 Sep - 09 Sep AirAsia
25 Sep - 02 Oct AirAsia
25 Sep - 10 Oct AirAsia
13 Sep - 02 Oct AirAsia
16 Sep - 02 Oct AirAsia
06 Sep - 23 Sep AirAsia
13 Sep - 23 Sep AirAsia
16 Sep - 23 Sep AirAsia

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

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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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