Cheapest return flights from Singapore to Phnom-penh in December from $198

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

18 Dec - 21 Dec Emirates direct
16 Dec - 17 Dec Thai AirAsia
16 Dec - 21 Dec Thai AirAsia
18 Dec - 05 Jan Thai AirAsia
20 Dec - 21 Dec AirAsia
31 Dec - 21 Jan Thai AirAsia
18 Dec - 30 Dec Thai AirAsia
18 Dec - 31 Dec Thai AirAsia
18 Dec - 01 Jan Thai AirAsia
16 Dec - 05 Jan Thai AirAsia
16 Dec - 30 Dec Thai AirAsia
16 Dec - 31 Dec Thai AirAsia
16 Dec - 01 Jan Thai AirAsia
18 Dec - 02 Jan Thai AirAsia
18 Dec - 03 Jan Thai AirAsia
18 Dec - 04 Jan Thai AirAsia
20 Dec - 05 Jan AirAsia
20 Dec - 30 Dec AirAsia
20 Dec - 31 Dec AirAsia
20 Dec - 01 Jan AirAsia

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

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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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