AirHint found the following cheapest return flights from Colombo (CMB) to Jakarta (CGK) in September 2025 (see full year).

Return flights

15 Sep - 21 Sep	Singapore Airlines
10 Sep - 13 Sep	Singapore Airlines
05 Sep - 11 Sep	AirAsia
05 Sep - 08 Sep	AirAsia
26 Sep - 08 Oct	AirAsia
05 Sep - 13 Sep	AirAsia
05 Sep - 18 Sep	AirAsia
09 Sep - 11 Sep	AirAsia
26 Sep - 13 Oct	AirAsia
26 Sep - 10 Oct	AirAsia
26 Sep - 16 Oct	AirAsia
26 Sep - 01 Oct	AirAsia
26 Sep - 14 Oct	AirAsia
10 Sep - 11 Sep	AirAsia
10 Sep - 01 Oct	AirAsia
08 Sep - 11 Sep	AirAsia
13 Sep - 01 Oct	AirAsia
09 Sep - 13 Sep	AirAsia
26 Sep - 12 Oct	AirAsia

Also check the deals for one-way flights from Colombo to Jakarta in September.

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 Jakarta in September from $344

Return flights