AirHint found the following cheapest return flights from Sydney (SYD) to Colombo (CMB)
in September 2025 (see full year ).
Return flights
08 Sep
- 21 Sep
Singapore Airlines
$ 620
06 Sep
- 16 Sep
Singapore Airlines
$ 621
08 Sep
- 22 Sep
Singapore Airlines
$ 632
02 Sep
- 09 Sep
Singapore Airlines
$ 633
01 Sep
- 14 Oct
Singapore Airlines
$ 656
07 Sep
- 20 Sep
Singapore Airlines
$ 660
30 Sep
- 14 Oct
Singapore Airlines
$ 660
02 Sep
- 10 Sep
Singapore Airlines
$ 661
06 Sep
- 19 Sep
Singapore Airlines
$ 673
02 Sep
- 26 Sep
Cathay Pacific
$ 673
04 Sep
- 26 Sep
Cathay Pacific
$ 673
15 Sep
- 26 Sep
Cathay Pacific
$ 673
27 Sep
- 10 Oct
Philippine Airlines
$ 719
17 Sep
- 01 Oct
Singapore Airlines
$ 730
24 Sep
- 01 Oct
Singapore Airlines
$ 736
25 Sep
- 02 Oct
Singapore Airlines
$ 746
19 Sep
- 01 Oct
Jetstar
$ 772
18 Sep
- 02 Oct
Singapore Airlines
$ 776
26 Sep
- 07 Oct
Cathay Pacific
$ 785
27 Sep
- 07 Oct
Cathay Pacific
$ 785
Also check the deals for one-way flights from Sydney to Colombo 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.