AirHint found the following cheapest return flights from Coolangatta (OOL) to Sydney (SYD) in September 2025 (see full year).

Return flights

04 Sep - 07 Sep	Jetstar	direct
03 Sep - 03 Sep	Jetstar	direct
05 Sep - 07 Sep	Jetstar	direct
12 Sep - 15 Sep	Jetstar	direct
11 Sep - 14 Sep	Jetstar	direct
18 Sep - 21 Sep	Jetstar	direct
13 Sep - 17 Sep	Jetstar	direct
01 Sep - 08 Sep	Jetstar	direct
12 Sep - 14 Sep	Jetstar	direct
18 Sep - 22 Sep	Jetstar	direct
30 Sep - 05 Oct	Jetstar	direct
27 Sep - 04 Oct	Jetstar	direct
20 Sep - 03 Oct	Jetstar	direct

Also check the deals for one-way flights from Coolangatta to Sydney 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 Coolangatta to Sydney in September from $78

Return flights