AirHint found the following cheapest return flights from Hong Kong (HKG) to San Francisco (SFO) in October 2026 (see full year).
Return flights
| 08 Oct - 25 Oct | Asiana Airlines | ||
| 09 Oct - 12 Oct | STARLUX Airlines | ||
| 17 Oct - 24 Oct | United | ||
| 09 Oct - 12 Oct | Cathay Pacific | direct | |
| 08 Oct - 25 Oct | Cathay Pacific | direct |
Also check the deals for one-way flights from Hong Kong to San Francisco in October.
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