Direct (nonstop) flights from Singapore to San Francisco
2 airlines fly nonstop from Singapore Changi Airport (SIN) to San Francisco International (SFO). It's 8,445 miles (13,591 km), about 14h 55m in the air. Operated by Singapore Airlines, United Airlines.
Singapore Airlines
United Airlines
Route data last updated: May 31, 2026
Airlines with non-stop flights
SQ
Singapore Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Singapore to San Francisco with one stop · direct emits 1291 kg CO₂ per passenger
Looking for the return flight?
SFO → SIN: Flights from San Francisco to SingaporeOther direct flights from Singapore
Direct flights from San Francisco (SFO)
Frequently Asked Questions
How long is the direct flight from Singapore to San Francisco?
A nonstop flight from Singapore (SIN) to San Francisco (SFO) takes approximately 14 hours and 55 minutes. The distance is 8,445 miles (13,591 km).
Which airlines fly nonstop from Singapore to San Francisco?
2 airlines: Singapore Airlines, United Airlines.
Is there a nonstop flight from Singapore to San Francisco?
Yes. 2 airlines: Singapore Airlines, United Airlines.
How far is Singapore from San Francisco?
The flight distance from Singapore to San Francisco is 8,445 miles (13,591 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Sydney.
What is the time difference between Singapore and San Francisco?
San Francisco is 15 hours behind Singapore. (Asia/Singapore vs America/Los_Angeles.)
Will I experience jet lag flying from Singapore to San Francisco?
Probably — 15-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from Singapore to San Francisco?
At 14h 55m, 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 Singapore to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Singapore to San Francisco?
Roughly 1291 kg CO2 per passenger one-way. That's about the same as driving 6,455 km.
Is the return flight from San Francisco to Singapore 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 Singapore to San Francisco?
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 Singapore Changi Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.