Cheapest return flights from Sydney to Colombo in September from $455

AirHint found the following cheapest return flights from Sydney (SYD) to Colombo (CMB) in September 2026 (see full year).

Return flights

16 Sep - 24 Sep AirAsia X
08 Sep - 18 Sep AirAsia X
11 Sep - 25 Sep AirAsia X
04 Sep - 18 Sep Singapore Airlines
06 Sep - 19 Sep SriLankan Airlines direct
13 Sep - 20 Sep SriLankan Airlines direct
15 Sep - 26 Sep Jetstar
12 Sep - 26 Sep Singapore Airlines
26 Sep - 06 Oct Jetstar
11 Sep - 26 Sep Singapore Airlines
18 Sep - 26 Sep Singapore Airlines
21 Sep - 05 Oct Singapore Airlines
22 Sep - 06 Oct Singapore Airlines
25 Sep - 08 Oct Singapore Airlines
25 Sep - 05 Oct Singapore Airlines
25 Sep - 09 Oct Singapore Airlines
26 Sep - 09 Oct Singapore Airlines
22 Sep - 06 Oct SriLankan Airlines direct
26 Sep - 06 Oct SriLankan Airlines direct
26 Sep - 09 Oct SriLankan Airlines direct

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

Powered by

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

Feel free to contact us with any feedback or request another flight research.