Cheapest return flights from Singapore to Phnom-penh in December from $202

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 December 2025 (see full year).

Return flights

01 Dec - 12 Dec Emirates direct
01 Dec - 20 Dec Singapore Airlines direct
20 Dec - 20 Dec Emirates direct
22 Dec - 29 Dec Singapore Airlines direct
22 Dec - 11 Jan AirAsia
20 Dec - 22 Dec AirAsia
09 Dec - 20 Dec AirAsia
01 Dec - 22 Dec AirAsia
09 Dec - 22 Dec AirAsia
01 Dec - 16 Dec AirAsia
09 Dec - 16 Dec AirAsia

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

Skyscanner

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 Phnom-penh

Cheap car rent in Phnom-penh