Compare San Francisco (SFO) → Singapore (SIN) flights on a timeline
See every SFO–SIN option laid out on a single time axis — departure and arrival times, layovers, comfort scores, and award-redemption value side by side. Free, no login, no ads.
SFO to SIN at a glance
- Distance~8,446 mi
- Typical nonstop16h 30m
- Daily nonstops~3+
- Nonstop carriersSingapore Airlines, United
- Common aircraftAirbus A350-900ULR, Boeing 777
Figures are typical/approximate and can change seasonally — load the live search above for today’s exact schedules and prices.
Using points? What a Singapore award is worth
One of the world's longest flights. Singapore Airlines business and first are premier redemptions — book directly through KrisFlyer, where Singapore releases its best premium space to its own members. Values of 5–8 CPP are common.
Most comfortable way to fly SFO–SIN
Singapore Airlines' A350-900ULR is purpose-built for ultra-long-haul with a business-heavy cabin; it is the clear comfort leader. Economy on a 16+ hour flight is only for the budget-committed.
SFO–SIN FAQ
How long is the San Francisco to Singapore flight?
About 16 hours 30 minutes nonstop — one of the longest scheduled flights in the world.
Which airlines fly nonstop SFO–SIN?
Singapore Airlines and United operate the San Francisco–Singapore nonstop.
What is the cheapest time to fly SFO–SIN?
Fares are most reasonable in the northern-hemisphere shoulder seasons; avoid the December peak.
Can I book SFO–SIN with points?
Yes. Singapore KrisFlyer is the best route in — premium-cabin saver space is largely reserved for KrisFlyer members. Transfer from Amex, Chase, Citi, or Capital One.