Flights from San Francisco to Singapore
Fares, airlines, flight time and both airports for SFO–SIN.
Route snapshot: San Francisco to Singapore
San Francisco (SFO) to Singapore (SIN) is 13,581 km, about 17h 29m flying nonstop. Airlines with flights or nonstop fares on this route include Singapore Airlines and United Airlines. The lowest one-way fare seen recently was $268 with Singapore Airlines (nonstop), departing 27 Nov 2026 — as of 11 Sept 2026.
Check fares, see which airlines fly this route, and sort out airports, visas, and what to do at the destination — all before you book.
When you land in Singapore
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Getting out of Singapore (SIN)
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Pre-book a fixed-price transfer
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Tours, tickets & day trips
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Compare live fares from San Francisco to Singapore across 750+ airlines.
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Why travelers watch this route
Fares seen
The lowest one-way fare seen was $268 with Singapore Airlines (nonstop), departing 27 Nov 2026. Checked 11 Sept 2026 — fares move daily.
Seasonality
Singapore demand usually strengthens around February – August, which can push fares higher on this corridor.
Who flies it
Airlines with flights or nonstop fares here include Singapore Airlines and United Airlines. More carriers may sell it with a connection.
Airlines flying San Francisco to Singapore
Carriers on SFO–SIN according to our route data and nonstop fares seen as of 11 Sept 2026. Not a complete list.
San Francisco–Singapore route intelligence
Updated analysis of the SFO–SIN corridor — distance, fares, timing, and connecting options.
Route profile
San Francisco (SFO) to Singapore (SIN) is a ultra-long-haul corridor spanning approximately 13,580 km, with typical block time around 16h 45m. Published fares cluster between $600 and $1600 in economy. Ultra long-haul.
Best time to book
Ultra-long-haul corridors reward early planners — fares are softest 12-16 weeks before departure. Premium-cabin awards open ~330 days out.
Demand-spike calendar: Singapore Airshow (alternating Februarys), Formula 1 (September), and the Lunar New Year window are the predictable price events. Business travel from London/SFO holds fares high mid-week year-round.
Connecting hubs to compare
If a nonstop on the SFO–SIN corridor is sold out or overpriced, one-stop itineraries through Tokyo (NRT), Seoul (ICN), Hong Kong (HKG) and Taipei (TPE) are typically the strongest alternatives — often 20-40% cheaper than nonstop, with 3-12 hours added to total journey time.
Visa & arrival
Passport-validity and visa requirements differ between and Singapore — most arriving travellers need at least six months of remaining passport validity. Check AirConnect's visa checker for your nationality before booking, especially if you plan to connect through a third country en route.
Best time to fly to Singapore
Based on weather and travel conditions in Singapore
Singapore is a year-round destination. February–August sees the least rainfall. The northeast monsoon (December–March) brings more rain, but showers are typically short.
Direct & Connecting Flights
Nonstop flights link San Francisco (SFO) and Singapore (SIN), taking about 17h 29m. Connecting itineraries can be cheaper but take longer.
Fares & Price Guide
The lowest one-way fare seen on SFO–SIN was $268 USD (nonstop) as of 11 Sept 2026. Set a fare alert to be told when it drops.
About Singapore, Singapore
Flights arrive at Singapore Changi Airport (SIN). Best visited during February – August. See the destination guide for hotels, visa requirements and travel tips.
Plan this route beyond the fare
Use the wider AirConnect network to move from a route check into airports, airlines, visa, and trip planning.
Search SFO → SIN
See current San Francisco to Singapore fares on Trip.com.
Airport Guides
Check terminals, transport and arrival details for SFO and SIN.
Airline Route Maps
Explore the networks of airlines flying from San Francisco and Singapore.
Singapore Planning
Turn this flight route into a full trip with destination, hotel and activity planning.
Price Alerts
Track fare drops on SFO–SIN and related city pairs.
Visa Guides
Check entry rules before booking flights from San Francisco to Singapore.
Explore related route clusters
These hubs help search engines and travelers understand where this corridor sits in the wider route graph.
Deals on San Francisco → Singapore
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Frequently asked questions — San Francisco to Singapore flights
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