There are most likely no direct flights on the Singapore — San Francisco route
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A non-stop flight is the most convenient and comfortable way to fly from Singapore to San Francisco, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Singapore — San Francisco route
Singapore Changi Airport (SIN) is a major international hub known for strong premium and full-service carrier presence alongside a good selection of low-cost airlines, so fares can range from budget-friendly to higher-end depending on carrier and season. Located about 20–25 km east of the city centre, travel options include the efficient MRT (about 30–35 minutes), taxis or ride-hailing (25–40 minutes, fares varying by time and service), and airport buses (40–60 minutes, typically the cheapest). Changi is praised for passenger comfort, amenities and quick transfers, while its size can mean longer walks between gates; overall it’s typically convenient but may be busier during peak travel periods.
San Francisco International (SFO) is the region’s primary international hub, serving full-service carriers like United, Delta, and major global airlines alongside some low-cost operators — fares can be competitive but often skew higher for transpacific and peak-time flights. The airport sits about 13 miles south of downtown San Francisco; BART connects directly in roughly 30–40 minutes with fares typically in the USD 10–12 range, while driving or taxis take 25–40 minutes depending on traffic and can cost from about USD 40–70. SFO is strong on amenities and international connections, though security lines and traffic to/from the city can add time; it’s a good choice for long-haul and connecting itineraries but can be pricier than nearby secondary airports.
The cost of a one-way flight from Singapore to San Francisco ranges from $464 (October 2026) to $535 (December 2026). On average, the ticket price is about $491–$1,009.
On the Singapore — San Francisco route, ticket prices are stable. Whichever month you choose, the difference will be minimal.
There is a slight difference: it's a bit cheaper in September 2026–October 2026 (averaging $469) and slightly more in October 2026–December 2026 ($499). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 6%. Book whenever it's convenient.
Monthly price variation is just 6.4%. Ticket costs on this route are among the most predictable.
We couldn't find any special offers for flights from Singapore to San Francisco
Singapore — San Francisco
09/09/2026
Departure
Direct flight
UA28
starting at $966
Singapore — San Francisco
09/10/2026
Departure
Direct flight
UA2
starting at $966
Singapore — San Francisco
09/11/2026
Departure
Direct flight
SQ32
starting at $2,050
Singapore — San Francisco
09/12/2026
Departure
Direct flight
UA2
starting at $520
Singapore — San Francisco
09/15/2026
Departure
Direct flight
UA2
starting at $492
Singapore — San Francisco
09/19/2026
Departure
Direct flight
UA2
starting at $1,353
Singapore — San Francisco
09/22/2026
Departure
Direct flight
SQ34
starting at $1,265
Singapore — San Francisco
10/01/2026
Departure
Direct flight
SQ34
starting at $806
Singapore — San Francisco
10/10/2026
Departure
Direct flight
UA28
starting at $593
Singapore — San Francisco
10/12/2026
Departure
Direct flight
UA2
starting at $1,015
starting at $470
starting at $490
starting at $570
starting at $578
starting at $598
starting at $888
More than 6 airlines operate flights from Singapore to San Francisco, including United Airlines, Singapore Airlines, China Airlines, Asiana Airlines, Scoot, and Air India. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $470, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from Singapore to San Francisco according to data for the last 48 hours costs $470
Often the best time to buy tickets from Singapore to San Francisco is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Singapore to San Francisco can be found flying in these months: October, September, December.
The fastest flights from Singapore to San Francisco start from 15 hours 30 minutes in the air.
The following airlines operate direct flights on the route Singapore — San Francisco: United Airlines, Singapore Airlines
The cheapest one-way flight from Singapore to San Francisco departs on 10/01/2026, is operated by United Airlines and costs $470
There is no information about the cheapest roundtrip flight from Singapore to San Francisco
Fastest flight from Singapore to San Francisco takes 15h 30m
There are direct flights on this route 6 days a week: Mo, Tu, We, Th, Fr, and Sa
The distance between Singapore and San Francisco is 13581km (8420 miles). There are 31 direct flights from Singapore to San Francisco. The time difference between Singapore and San Francisco is 16h. Flights from Singapore begin at 8:45 AM. The latest flight from Singapore departs at 8:35 PM
