AirHint found the following cheapest return flights from Hong Kong (HKG) to Frankfurt (FRA) in September 2026 (see full year).
Return flights
| 10 Sep - 20 Sep | SWISS | ||
| 22 Sep - 06 Oct | Singapore Airlines | ||
| 20 Sep - 10 Oct | Air China | ||
| 22 Sep - 06 Oct | Cathay Pacific | direct | |
| 20 Sep - 10 Oct | Cathay Pacific | direct |
Also check the deals for one-way flights from Hong Kong to Frankfurt in September.
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