International route
Cheap flights from Singapore to San Francisco
Singapore Changi Airport (SIN) to San Francisco International Airport (SFO). 8,438 miles, connecting flights only.
SIN to SFO at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 8,438 milesgreat-circle
- Typical flight time
- 15h 55mif flown nonstop
- Nonstop airlines
- None (connecting only)
- Nonstop flights per day
- 0connections available
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday19% less than Sunday
- Time difference
- 15h behindSan Francisco vs Singapore
Singapore to San Francisco
Round trips from $567
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Jan 6.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppSingapore to San Francisco fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Singapore to San Francisco
No nonstop service: 21 airlines offer one-stop itineraries.
- EIAer LingusConnecting via DUB · first checked bag from $70
- ACAir CanadaStar AllianceConnecting via YVR, YYC · first checked bag from $35
- AIAir IndiaStar AllianceConnecting via DEL, BOM · first checked bag included
- ASAlaska AirlinesoneworldConnecting via SEA, ANC · first checked bag from $35
- NHANA All Nippon AirwaysStar AllianceConnecting via HND, NRT · first checked bag included
- OZAsiana AirlinesStar AllianceConnecting via ICN · first checked bag included
- BABritish AirwaysoneworldConnecting via LHR · first checked bag from $75
- CXCathay PacificoneworldConnecting via HKG · first checked bag included
- CIChina AirlinesSkyTeamConnecting via TPE · first checked bag included
- BREVA AirStar AllianceConnecting via TPE · first checked bag included
- JLJapan AirlinesoneworldConnecting via HND, NRT, KIX · first checked bag included
- KLKLM Royal Dutch AirlinesSkyTeamConnecting via AMS · first checked bag from $75
- KEKorean AirSkyTeamConnecting via ICN · first checked bag included
- LHLufthansaStar AllianceConnecting via MUC · first checked bag from $75
- NONorse Atlantic AirwaysLow-costConnecting via LGW, OSL · first checked bag from $80
- PRPhilippine AirlinesConnecting via MNL · first checked bag included
- QFQantasoneworldConnecting via SYD · first checked bag included
- SKSAS Scandinavian AirlinesSkyTeamConnecting via CPH, ARN, OSL · first checked bag from $70
- TKTurkish AirlinesStar AllianceConnecting via IST · first checked bag from $70
- VSVirgin AtlanticSkyTeamConnecting via MAN · first checked bag from $75
- Y4VolarisLow-costConnecting via TIJ · first checked bag from $45
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Oslo (OSL)SKNO2 airlines
- Tokyo (HND)JLNH2 airlines
- Tokyo (NRT)JLNH2 airlines
- Seoul (ICN)KEOZ2 airlines
- Taipei (TPE)BRCI2 airlines
Which airport should I use?
SingaporeSan Francisco has 3 airports. Fares can differ by $50 to $150 round trip between them, so check the alternatives before you book.
Tips for this route
- There is no scheduled nonstop between SIN and SFO. Every itinerary connects, most often through OSL, HND or NRT, so sort results by total travel time rather than price alone.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $567; September 2026 is the most expensive at $749 and up, a difference of $182 per traveler.
- Departing on a Tuesday averages 19% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel.
- San Francisco is 15 hours behind Singapore. A morning departure lands in San Francisco with most of the day left; an evening flight arrives close to local dinner time.
Destination guide
San Francisco: Fog, hills and the Golden Gate
San Francisco packs cable cars, the Golden Gate Bridge, Alcatraz and world-class food into 49 square miles. SFO is the main gateway; Oakland and San Jose are handy alternatives with lower fares on many routes.
Best time to visit: September and October are the warmest, clearest months. Spring (April–May) is green and mild. Summer fog ('Karl') keeps the coast cool; winter is rainy but inexpensive.
Flying the other way? San Francisco to SingaporeFares, airlines and tips for SFO to SIN.Ready to compare live fares?
See every airline on SIN–SFO side by side with bags and seat rules spelled out.
Search Singapore to San FranciscoSingapore to San Francisco: common questions
How long is the flight from Singapore to San Francisco?
There are no nonstop flights, so the trip from Singapore (SIN) to San Francisco (SFO) takes 15h 55m of flying plus a layover, usually 18h 55m or more door to door across 8,438 miles.
Which airlines fly nonstop from SIN to SFO?
No airline currently flies nonstop between Singapore (SIN) and San Francisco (SFO). The most common connections are through OSL, HND and NRT.
What is the cheapest month to fly from Singapore to San Francisco?
Over the next six months, January 2027 has the lowest round-trip fares from Singapore (SIN) to San Francisco (SFO), starting at $567 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Singapore to San Francisco flights?
Book 2 to 5 months ahead for the best fares; long-haul seats sell out earliest for summer and holiday travel. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Singapore and San Francisco?
San Francisco is 15 hours behind Singapore. SIN is on Asia/Singapore time and SFO on America/Los Angeles time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
More flights from Singapore
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- Los Angeles to San FranciscoLAX → SFOfrom $63
- Seattle to San FranciscoSEA → SFOfrom $80
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