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

Return flights

13 Aug - 20 Aug	Emirates
07 Aug - 14 Aug	Emirates
08 Aug - 15 Aug	Emirates	direct
11 Aug - 18 Aug	Emirates
15 Aug - 17 Aug	Emirates	direct
06 Aug - 09 Aug	Emirates	direct
22 Aug - 29 Aug	Emirates	direct
24 Aug - 28 Aug	Emirates	direct
24 Aug - 31 Aug	Emirates	direct
25 Aug - 28 Aug	Emirates	direct
29 Aug - 01 Sep	Emirates	direct
29 Aug - 06 Sep	Thai AirAsia
29 Aug - 09 Sep	Thai AirAsia
23 Aug - 06 Sep	Thai AirAsia
23 Aug - 09 Sep	Thai AirAsia
22 Aug - 06 Sep	Thai AirAsia
22 Aug - 09 Sep	Thai AirAsia
29 Aug - 15 Sep	Thai AirAsia
29 Aug - 16 Sep	Thai AirAsia
19 Aug - 06 Sep	Thai AirAsia

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

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Phnom-penh to Singapore in August from 147€

Return flights