San Francisco (SFO) to Singapore (SIN)
Flight time
≈ 17h 41m
Bearing
301° NW
San Francisco (SFO) to Singapore (SIN) is 8,439 miles (13,582 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SFO–SIN
Filed traffic dataIn July 2026, United Airlines was the only carrier flying nonstop SFO–SIN; the Boeing 787-9 was the most common aircraft at 100% of departures; flights ran 80% full.
Departures
124
July 2026
Seats
29,558
both directions
Passengers
23,675
both directions
Load factor
80.1%
RPM ÷ ASM
Who flies SFO–SIN?
United Airlines was the only carrier to fly nonstop SFO–SIN in July 2026 (124 departures).
- UA
124 departures · 29,558 seats
Share of departures100.0%80.1%
Load
What plane flies SFO–SIN?
In July 2026, the Boeing 787-9 flew 100% of SFO–SIN departures.
- Boeing 787-9
124 departures · 80.1% load
100.0%
How has SFO–SIN traffic changed?
Nonstop SFO–SIN departures fell from 186 in August 2025 to 124 in July 2026.
Monthly nonstop SFO–SIN traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
186 departures · 49,407 passengers
85.9%
Load
September 2025
177 departures · 41,970 passengers
76.9%
Load
October 2025
182 departures · 39,094 passengers
80.3%
Load
November 2025
120 departures · 23,358 passengers
75.7%
Load
December 2025
185 departures · 48,778 passengers
85.2%
Load
January 2026
181 departures · 48,079 passengers
87.9%
Load
February 2026
165 departures · 41,756 passengers
83.4%
Load
March 2026
186 departures · 53,309 passengers
93.8%
Load
April 2026
176 departures · 47,513 passengers
89.1%
Load
May 2026
181 departures · 47,713 passengers
80.7%
Load
June 2026
177 departures · 46,813 passengers
91.2%
Load
July 2026
124 departures · 23,675 passengers
80.1%
Load
By direction
Each direction is filed separately — they rarely match.
SFO → SIN
81.5% full
62 departures · 12,051 passengers
SIN → SFO
78.6% full
62 departures · 11,624 passengers
Nonstop SFO–SIN traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Singapore
SG
Singapore Changi Airport
Coordinates
1.35°N, 103.99°E
Hemisphere
N · E
Frequently asked
How far is San Francisco (SFO) from Singapore (SIN)?
SFO to SIN is 8,439 miles (13,582 km / 7,333 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SFO to SIN?
A nonstop covers the 8,439-mile great-circle distance in roughly 17h 41m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SFO–SIN?
In July 2026, the Boeing 787-9 flew the largest share of departures (100.0%).
What mileage do I earn flying SFO–SIN?
Distance-based programs credit off the 8,439-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
Keep exploring
Every route below is its own page.
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