AirHint found the following cheapest return flights from Sydney (SYD) to Helsinki (HEL) in September 2026 (see full year).
Return flights
| 25 Sep - 16 Oct | Scoot | ||
| 01 Sep - 30 Sep | Turkish Airlines | ||
| 01 Sep - 08 Oct | Finnair | ||
| 05 Sep - 18 Sep | Condor | ||
| 04 Sep - 18 Sep | Condor |
Also check the deals for one-way flights from Sydney to Helsinki in September.
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