AirHint found the following cheapest return flights from Colombo (CMB) to Singapore (SIN) in December 2025 (see full year).

Return flights

04 Dec - 11 Dec	Air India
19 Dec - 28 Dec	Air India
23 Dec - 25 Dec	Air India
16 Dec - 20 Dec	Air India
26 Dec - 08 Jan	Singapore Airlines	direct
06 Dec - 10 Dec	AirAsia
05 Dec - 10 Dec	AirAsia
17 Dec - 26 Dec	Air India
06 Dec - 08 Dec	AirAsia
06 Dec - 09 Dec	AirAsia
05 Dec - 08 Dec	AirAsia
17 Dec - 04 Jan	AirAsia
26 Dec - 16 Jan	AirAsia
26 Dec - 15 Jan	AirAsia
30 Dec - 16 Jan	AirAsia
29 Dec - 16 Jan	AirAsia
28 Dec - 16 Jan	AirAsia
24 Dec - 09 Jan	AirAsia
27 Dec - 16 Jan	AirAsia
31 Dec - 16 Jan	AirAsia

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

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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Cheapest return flights from Colombo to Singapore in December from 304€

Return flights