Direct (nonstop) flights from San Francisco to Hong Kong
2 airlines fly nonstop from San Francisco International (SFO) to Hong Kong International Airport (HKG). It's 6,925 miles (11,144 km), about 15h in the air. Operated by Cathay Pacific, United Airlines.
Cathay Pacific
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from San Francisco to Hong Kong with one stop · direct emits 1059 kg CO₂ per passenger
Looking for the return flight?
HKG → SFO: Flights from Hong Kong to San FranciscoOther direct flights from San Francisco
Direct flights from Hong Kong (HKG)
Frequently Asked Questions
How long is the direct flight from San Francisco to Hong Kong?
A nonstop flight from San Francisco (SFO) to Hong Kong (HKG) takes approximately 15 hours. The distance is 6,925 miles (11,144 km).
Which airlines fly nonstop from San Francisco to Hong Kong?
2 airlines: Cathay Pacific, United Airlines.
Is there a nonstop flight from San Francisco to Hong Kong?
Yes. 2 airlines: Cathay Pacific, United Airlines.
How far is San Francisco from Hong Kong?
The flight distance from San Francisco to Hong Kong is 6,925 miles (11,144 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.
What is the time difference between San Francisco and Hong Kong?
Hong Kong is 15 hours ahead of San Francisco. (America/Los_Angeles vs Asia/Hong_Kong.)
Will I experience jet lag flying from San Francisco to Hong Kong?
Probably — 15-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from San Francisco to Hong Kong?
At 15h, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from USA to Hong Kong SAR?
Depends on your passport. Check with the Hong Kong SAR embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from San Francisco to Hong Kong?
Roughly 1059 kg CO2 per passenger one-way. That's about the same as driving 5,295 km.
Is the return flight from Hong Kong to San Francisco also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from San Francisco to Hong Kong?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at San Francisco International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.