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

Return flights

04 Dec - 12 Dec	AirAsia
09 Dec - 13 Dec	AirAsia
07 Dec - 13 Dec	AirAsia
08 Dec - 13 Dec	Scoot
11 Dec - 13 Dec	Scoot
10 Dec - 17 Dec	AirAsia
10 Dec - 13 Dec	Scoot
02 Dec - 11 Dec	AirAsia
04 Dec - 08 Dec	AirAsia
03 Dec - 08 Dec	AirAsia
30 Dec - 13 Jan	IndiGo
17 Dec - 17 Jan	AirAsia
30 Dec - 22 Jan	IndiGo
02 Dec - 11 Jan	Thai AirAsia
13 Dec - 31 Jan	AirAsia
30 Dec - 06 Jan	IndiGo
15 Dec - 15 Jan	AirAsia
17 Dec - 15 Jan	AirAsia
23 Dec - 29 Jan	AirAsia
17 Dec - 08 Jan	Thai AirAsia

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

Book a cheap hotel in Colombo

Cheap car rent in Colombo

Cheapest return flights from Singapore to Colombo in December from $354

Return flights