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

Return flights

27 Aug - 28 Aug	IndiGo
27 Aug - 29 Aug	IndiGo
07 Aug - 11 Aug	IndiGo
02 Aug - 18 Aug	IndiGo
08 Aug - 12 Aug	IndiGo
16 Aug - 23 Aug	AirAsia
07 Aug - 12 Aug	IndiGo
08 Aug - 13 Aug	IndiGo
06 Aug - 13 Aug	IndiGo
18 Aug - 25 Aug	IndiGo
19 Aug - 04 Sep	AirAsia
26 Aug - 04 Sep	AirAsia
27 Aug - 04 Sep	AirAsia
22 Aug - 04 Sep	AirAsia
26 Aug - 16 Sep	AirAsia
27 Aug - 16 Sep	AirAsia
20 Aug - 04 Sep	AirAsia
19 Aug - 01 Sep	AirAsia
21 Aug - 04 Sep	AirAsia
26 Aug - 01 Sep	AirAsia

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

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 Singapore

Cheap car rent in Singapore

Cheapest return flights from Colombo to Singapore in August from 205€

Return flights