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

Return flights

11 Sep - 18 Sep	Air China
10 Sep - 17 Sep	Thai Airways
05 Sep - 20 Sep	Thai Airways
15 Sep - 30 Sep	Thai Airways
30 Sep - 10 Oct	Turkish Airlines
19 Sep - 13 Oct	Turkish Airlines
20 Sep - 13 Oct	Thai Airways
26 Sep - 04 Oct	Thai Airways
25 Sep - 05 Oct	Thai Airways
24 Sep - 05 Oct	Thai Airways
26 Sep - 05 Oct	Thai Airways
23 Sep - 03 Oct	Air China
20 Sep - 14 Oct	Thai Airways

Also check the deals for one-way flights from Sydney to Stockholm 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 Sydney to Stockholm in September from 742€

Return flights