AirHint found the following cheapest one-way flights from Stockholm (ARN) to Sydney (SYD) in September 2025 (see full year).

One-Way flights

14 Sep	Ryanair
02 Sep	Turkish Airlines
22 Sep	Turkish Airlines
01 Sep	Ryanair
18 Sep	Austrian Airlines
08 Sep	Thai Airways
12 Sep	Thai Airways
29 Sep	Thai Airways
28 Sep	Thai Airways
13 Sep	Thai Airways

Also check the deals for return flights from Stockholm 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 one-way flights from Stockholm to Sydney in September from $493

One-Way flights