Direct (nonstop) flights from San Francisco to Singapore
2 airlines fly nonstop from San Francisco International (SFO) to Singapore Changi Airport (SIN). It's 8,445 miles (13,591 km), about 17h 25m 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 San Francisco to Singapore with one stop · direct emits 1291 kg CO₂ per passenger
Looking for the return flight?
SIN → SFO: Flights from Singapore to San FranciscoOther direct flights from San Francisco
Direct flights from Singapore (SIN)
Frequently Asked Questions
How long is the direct flight from San Francisco to Singapore?
A nonstop flight from San Francisco (SFO) to Singapore (SIN) takes approximately 17 hours and 25 minutes. The distance is 8,445 miles (13,591 km).
Which airlines fly nonstop from San Francisco to Singapore?
2 airlines: Singapore Airlines, United Airlines.
Is there a nonstop flight from San Francisco to Singapore?
Yes. 2 airlines: Singapore Airlines, United Airlines.
How far is San Francisco from Singapore?
The flight distance from San Francisco to Singapore 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 San Francisco and Singapore?
Singapore is 15 hours ahead of San Francisco. (America/Los_Angeles vs Asia/Singapore.)
Will I experience jet lag flying from San Francisco to Singapore?
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 Singapore?
At 17h 25m, 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 Singapore?
Depends on your passport. Check with the Singapore embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from San Francisco to Singapore?
Roughly 1291 kg CO2 per passenger one-way. That's about the same as driving 6,455 km.
Is the return flight from Singapore 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 Singapore?
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.