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

Return flights

03 Sep - 10 Sep	Jetstar
09 Sep - 15 Sep	Jetstar
10 Sep - 15 Sep	Jetstar
10 Sep - 17 Sep	Jetstar
15 Sep - 26 Sep	Jetstar
18 Sep - 26 Sep	Jetstar
22 Sep - 26 Sep	Jetstar
19 Sep - 26 Sep	Jetstar
21 Sep - 26 Sep	Jetstar
22 Sep - 27 Sep	Jetstar

Also check the deals for one-way flights from Coolangatta to Singapore 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 Singapore in September from 345€

Return flights