SingaporeSan FranciscoDirect FlightsSIN–SFO
Singapore (Singapore Changi Airport) to San Francisco (San Francisco International Airport).
Flight time from SIN to SFO is estimated at about 18h, based on the 8,439-mile great-circle distance. Our current captured departure sample includes 4-5/day across 2 captured airlines, with United Airlines appearing most often in that sample. Captured departure times run from 03:30 to 20:35 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~18h Estimated from great-circle distance — no tracked flights yet. | 8,439 mi | 4-5/day From the current provider sample; confirm live timetables before booking. | International |
Airlines on this route
Captured airlines for SIN to SFO
Our current provider sample includes 4-5/day from SIN to SFO across 2 captured airlines. Captured departure terminal data is available for 2, 3.
- First departure
- 03:30
- Last departure
- 20:35
- Cadence
- ~every 2 hours
- Captured departures/day
- 8
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| United Airlines | 2-3/day | Boeing 787 · Terminal 2 · Seat map | 03:3008:03 |
Aircraft on this route
Flying the other way?
SFO to SIN flights — 4/day on 2 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for SIN to SFO, last seen June 15, 2026. Frequency uses 31 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from SIN to SFO?
The SIN to SFO flight time is estimated at about 18h from great-circle distance until enough tracked flights are available.
How far is SIN from SFO?
SIN to SFO is about 8,439 miles by air.
Which airlines fly from SIN to SFO?
Our current provider sample for SIN to SFO includes United Airlines, Singapore Airlines. Confirm live timetables before booking.
What aircraft fly from SIN to SFO?
Aircraft captured in our current provider sample for SIN to SFO include Airbus A350, Boeing 787.