Cheapest return flights from Phnom-penh to Singapore in December from $210

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

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

Return flights

30 Dec - 30 Dec Malaysia Airlines
31 Dec - 31 Dec Singapore Airlines direct
30 Dec - 30 Dec Singapore Airlines direct
17 Dec - 18 Dec AirAsia Cambodia
21 Dec - 08 Jan Thai AirAsia
17 Dec - 20 Dec AirAsia Cambodia
14 Dec - 18 Dec Thai AirAsia
17 Dec - 01 Jan AirAsia Cambodia
17 Dec - 02 Jan AirAsia Cambodia
17 Dec - 03 Jan AirAsia Cambodia
17 Dec - 05 Jan AirAsia Cambodia
17 Dec - 04 Jan AirAsia Cambodia
21 Dec - 01 Jan Thai AirAsia
21 Dec - 02 Jan Thai AirAsia
21 Dec - 03 Jan Thai AirAsia
21 Dec - 04 Jan Thai AirAsia
17 Dec - 30 Dec AirAsia Cambodia
17 Dec - 31 Dec AirAsia Cambodia
21 Dec - 30 Dec Thai AirAsia
21 Dec - 31 Dec Thai AirAsia

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