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SFO to SIN: distance & flight time
San Francisco (San Francisco International Airport) → Singapore (Singapore Changi Airport)
8,439 mi
13,582 km · 7,333 nm
17h 1m
estimated nonstop flight time
+15h
time difference · heading northwest
See live SFO→SIN fares Phone-only fares on this route — call free
Flight time details
8,439 miles nonstop takes roughly 17h 1m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 15-hour time gain when reading arrival times on your ticket.
The two airports
- SFO — San Francisco International Airport · San Francisco, United States
- SIN — Singapore Changi Airport · Singapore, Singapore
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Near SIN
- QPG · Paya Lebar Air Base6 mi away
- XSP · Seletar Airport10 mi away
- BTH · Hang Nadim International Airport18 mi away
- TGA · Tengah Air Base20 mi away
Frequently asked questions
How far is SFO from SIN?
The flight distance from San Francisco (SFO) to Singapore (SIN) is 8,439 miles (13,582 km, 7,333 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SFO to SIN?
A nonstop flight takes about 17h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between San Francisco and Singapore?
Singapore is 15 hours ahead of San Francisco.
What is the cheapest way to fly from SFO to SIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SFO–SIN that never appear on search engines, with no booking fees.