San Francisco (SFO) to Singapore (SIN) flights

United Airlines flies nonstop from San Francisco International Airport to Singapore Changi Airport, with about 14 flights a week in July 2026. The 8,440-mile flight takes about 11h 58m gate to gate.

From
SFO
San Francisco
San Francisco International Airport
To
SIN
Singapore
Singapore Changi Airport
Distance
8,440 mi · 13,583 km
Flight time
11h 58m
Airlines
1
Seats filled
83%
Flights a week, July 2026
1,025 flights and 255,088 passengers in 12 months
SINSINSFO
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying SFO to SIN

AirlineFlights a weekAircraftPassengers (12 months)Flight time
United Airlines14Boeing 787-9 Dreamliner141,79416h 59m
Singapore AirlinesSeasonal or endedn/aAirbus A350-900113,2940m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

Flights by month

MonthFlightsFlights, relativePassengers
August 202593
22,752
September 202589
21,385
October 202592
23,928
November 202559
11,414
December 202593
24,382
January 202691
22,925
February 202683
20,613
March 202693
25,248
April 202689
21,916
May 202692
23,891
June 202689
24,583
July 202662
12,051

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.