Hong Kong (HKG) → San Francisco (SFO)
Hong Kong International Airport to San Francisco International Airport · 6,009 nm (11,129 km) · about 13.5 h nonstop
Cheapest economy and business class fares, checked daily · 1 day of history
Booking links are plain searches — none are affiliate links, and the site earns nothing if you book. Prices are the cheapest fares other travellers recently found, not live availability — always confirm the fare before you pay.
Economy
last checked 5m agoAir Premia · 1 stop · 15h 40m · travel Nov 4
| Checked | Fare | Airline | Stops | Travel | |
|---|---|---|---|---|---|
| 2026-09-09 | $345 | Air Premia | 1 stop | Nov 4 | Book ↗ |
Business class
last checked 5m agoAir Premia · 1 stop · 15h 40m · travel Nov 4
| Checked | Fare | Airline | Stops | Travel | |
|---|---|---|---|---|---|
| 2026-09-09 | $345 | Air Premia | 1 stop | Nov 4 | Book ↗ |
Airlines selling the cheapest fares
Which carrier had the lowest fare on each of our checks over the last 90 days.
- Air Premia ×2
Notable flights on this route
- CX870 Cathay Pacific — Cathay Pacific, Hong Kong to San Francisco.
About this route
Hong Kong (HKG) to San Francisco (SFO) is one of the long-haul trunk routes behind our notable flights, flown daily by competing carriers. Flown by CX870. It links Hong Kong International Airport in Hong Kong with San Francisco International Airport in United States. The great-circle distance is about 6,009 nautical miles (6,916 statute miles), so expect roughly 13.5 hours in the air nonstop.
Every night we ask our fare provider for the cheapest one-way economy and business class fare other travellers recently found on this route and record it. A fare is flagged as a deal when it falls at least 30% below the route's 90-day typical price. Prices are a research starting point, not live availability — the booking links open the itinerary so you can confirm what's on sale right now.
Fares are approximate, from public sources, and can be stale — always verify before booking.