International route
Cheap flights from San Francisco to Singapore
San Francisco International Airport (SFO) to Singapore Changi Airport (SIN). 8,438 miles, connecting flights only.
SFO to SIN 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
- 17h 20mif 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
- Tuesday20% less than Friday
- Time difference
- 15h aheadSingapore vs San Francisco
San Francisco to Singapore
Round trips from $590
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 5.
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 WhatsAppSan Francisco to Singapore 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 San Francisco to Singapore
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?
San 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 SFO and SIN. 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 $590; September 2026 is the most expensive at $806 and up, a difference of $216 per traveler.
- Departing on a Tuesday averages 20% less than a Friday 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.
- Singapore is 15 hours ahead of San Francisco. Expect to lose 15 hours on the clock heading east, so an overnight or late-afternoon departure tends to arrive at a more usable hour.
Ready to compare live fares?
See every airline on SFO–SIN side by side with bags and seat rules spelled out.
Search San Francisco to SingaporeSan Francisco to Singapore: common questions
How long is the flight from San Francisco to Singapore?
There are no nonstop flights, so the trip from San Francisco (SFO) to Singapore (SIN) takes 17h 20m of flying plus a layover, usually 20h 20m or more door to door across 8,438 miles.
Which airlines fly nonstop from SFO to SIN?
No airline currently flies nonstop between San Francisco (SFO) and Singapore (SIN). The most common connections are through OSL, HND and NRT.
What is the cheapest month to fly from San Francisco to Singapore?
Over the next six months, January 2027 has the lowest round-trip fares from San Francisco (SFO) to Singapore (SIN), starting at $590 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book San Francisco to Singapore 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 San Francisco and Singapore?
Singapore is 15 hours ahead of San Francisco. SFO is on America/Los Angeles time and SIN on Asia/Singapore 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.
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