11,140 km · ~14h westbound
San Francisco (SFO) to Hong Kong (HKG)
Major US-Asia tech route. Cathay 777-300ER + 350-1000 vs United 777-300ER. Cathay First Class available on select tails.
Last updated 2026-05-01
Key facts
- Origin
- San Francisco (SFO)
- Destination
- Hong Kong (HKG)
- Distance
- 11,140 km
- Flight time
- ~14h westbound
- Airlines
- Cathay Pacific, United Airlines
- Aircraft types
- Boeing 777-300ER
- Last updated
- 2026-05-01
Aircraft typically flying this route
Cathay Pacific — Boeing 777-300ER
Share: Most CX · Cabin: Cirrus Reverse Herringbone + First on select tails
United Airlines — Boeing 777-300ER
Share: Daily UA · Cabin: Polaris
Best business class on this route
Cathay 777-300ER with First Class if available.
Common flight numbers
Frequently asked questions
What plane flies from SFO to HKG?
The San Francisco–Hong Kong route is operated on Boeing 777-300ER by Cathay Pacific, United Airlines.
How long is the flight from San Francisco to Hong Kong?
San Francisco to Hong Kong is 11,140 km and takes approximately ~14h westbound.
Which airlines fly SFO to HKG?
Cathay Pacific, United Airlines operate scheduled flights from San Francisco to Hong Kong.
What is the best business class from SFO to HKG?
Cathay 777-300ER with First Class if available.