Cheapest return flights from Sydney to Colombo in September from $543

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

Return flights

08 Sep - 22 Sep AirAsia X
01 Sep - 13 Sep Singapore Airlines
10 Sep - 18 Sep Singapore Airlines
24 Sep - 06 Oct Singapore Airlines
22 Sep - 04 Oct Singapore Airlines
17 Sep - 08 Oct Singapore Airlines
20 Sep - 30 Sep Singapore Airlines
20 Sep - 04 Oct Singapore Airlines
30 Sep - 29 Oct Singapore Airlines
20 Sep - 03 Oct Singapore Airlines
18 Sep - 09 Oct Singapore Airlines
08 Sep - 22 Sep SriLankan Airlines direct
01 Sep - 13 Sep SriLankan Airlines direct
20 Sep - 03 Oct SriLankan Airlines direct
20 Sep - 04 Oct SriLankan Airlines direct
22 Sep - 04 Oct SriLankan Airlines direct

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

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