AirHint found the following cheapest return flights from Hong Kong (HKG) to Vienna (VIE) in September 2026 (see full year).
Return flights
| 30 Sep - 07 Oct | SWISS | ||
| 25 Sep - 06 Oct | Finnair | ||
| 24 Sep - 08 Oct | SWISS | ||
| 18 Sep - 26 Sep | Air China | ||
| 25 Sep - 10 Oct | Finnair |
Also check the deals for one-way flights from Hong Kong to Vienna in September.
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