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Singapore Changi Airport to San Francisco International Airport flight

Explore the cheapest one-way and round-trip flights from Singapore Changi Airport to San Francisco International Airport over the next 90 days, with one-way fares from US$451 and round-trip from US$710. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Singapore to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Singapore Changi Airport to San Francisco International Airport

Which month offers the lowest one-way fares when flying from Singapore Changi Airport to San Francisco International Airport?

Data is based on the past 12 months. It shows the average one-way fares by month for flights from Singapore Changi Airport to San Francisco International Airport on Trip.com.

Based on Trip.com data from the past 12 months, for cheaper one-way flights from Singapore Changi Airport to San Francisco International Airport, it is best to book in November, when average fares are US$510. Try to avoid April, as fares peak at around US$1,393.

US$1,393
US$952
US$510
US$69
  • US$510
    Nov
  • US$694
    Dec
  • US$640
    Jan
  • US$720
    Feb
  • US$1,146
    Mar
  • US$1,393
    Apr
  • US$586
    May
  • US$699
    Jun
  • US$954
    Jul
  • US$814
    Aug
  • US$694
    Sep
  • US$720
    Oct

Which month offers the lowest round-trip fares from Singapore Changi Airport to San Francisco International Airport?

Data is based on the past 12 months. It shows the average round-trip fares by month for flights from Singapore Changi Airport to San Francisco International Airport on Trip.com.

Based on Trip.com data from the past 12 months, February usually offers the lowest round-trip fares from Singapore Changi Airport to San Francisco International Airport, with an average price of US$880. August is typically the most expensive month, with average fares reaching US$1,571.

US$1,571
US$1,226
US$880
US$535
    Cheapest
  • US$1,234
    Nov
  • US$1,101
    Dec
  • US$1,301
    Jan
  • US$880
    Feb
  • US$1,384
    Mar
  • US$1,271
    Apr
  • US$1,430
    May
  • US$1,360
    Jun
  • US$1,370
    Jul
  • US$1,571
    Aug
  • US$1,326
    Sep
  • US$1,499
    Oct

Which day of the week offers the cheapest flights from Singapore Changi Airport to San Francisco International Airport?

Data is based on the past 12 months. It shows the average fares by day of the week for flights from Singapore Changi Airport to San Francisco International Airport on Trip.com.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Singapore Changi Airport to San Francisco International Airport is Thursday, when average fares are usually lower than other days. Avoid departing on Sunday, as fares are typically the highest.

US$828
US$768
US$707
US$647
    Cheapest
  • US$783
    Mon
  • US$766
    Tue
  • US$726
    Wed
  • US$707
    Thu
  • US$771
    Fri
  • US$812
    Sat
  • US$828
    Sun

Which airline offers the cheapest flights from Singapore Changi Airport to San Francisco International Airport?

The cheapest airline flying from Singapore Changi Airport to San Francisco International Airport is United Airlines (from US$451) among 10 carriers operating this route. Based on Trip.com's latest 7-day flight data.

United Airlines
From US$451
Air Canada
From US$463
Air China
From US$465
Korean Air
From US$483
Asiana Airlines
From US$484
Vietnam Airlines
From US$486
AirAsia Berhad (Malaysia)
From US$527
China Airlines
From US$532
Batik Air
From US$536
Citilink
From US$537

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What is the flight schedule from Singapore Changi Airport to San Francisco International Airport?

Check on the flight schedule from Singapore to San Francisco to find the flight that matches your travel plan.

Flight info.
Departure
Arrival
Weekly Schedule
  1. UA028

    22:20

    SIN

    14h 55m

    21:15

    SFO

    S M T W T F S
    Search
  2. UA002

    10:10

    SIN

    15h 5m

    09:15

    SFO

    S M T W T F S
    Search
  3. AC020

    07:00

    SIN

    14h 25m

    Nonstop

    06:25

    YVR

    - M - W T F S
    Search
  4. AC8840

    09:10

    YVR

    2h 22m

    Nonstop

    10:32

    SFO

    S M T W T - -
  5. VN650

    13:10

    SIN

    2h 15m

    Nonstop

    14:25

    SGN

    S M T W T F S
    Search
  6. VN098

    17:40

    SGN

    14h 15m

    Nonstop

    17:55

    SFO

    - - T W - F S
  7. AC020

    07:00

    SIN

    14h 25m

    Nonstop

    06:25

    YVR

    - M - W T F S
    Search
  8. AC564

    11:10

    YVR

    2h 26m

    Nonstop

    13:36

    SFO

    S M T W T F S
  9. CA970

    23:25

    SIN

    6h 35m

    Nonstop

    06:00

    PEK

    S M T W T F S
    Search
  10. CA985

    13:00

    PEK

    12h 30m

    Nonstop

    10:30

    SFO

    - - T - - F -
  11. KE644

    22:30

    SIN

    6h 15m

    Nonstop

    05:45

    ICN

    S M T W T F S
    Search
  12. KE023

    16:00

    ICN

    10h 40m

    Nonstop

    10:40

    SFO

    S M T W T F S
  13. LX177

    00:05

    SIN

    13h 10m

    Nonstop

    06:15

    ZRH

    S M T W T F S
    Search
  14. LX316

    07:05

    ZRH

    2h

    Nonstop

    08:05

    LHR

    S M T W T F S
  15. UA900

    10:05

    LHR

    11h 15m

    Nonstop

    13:20

    SFO

    S M T W T F S
  16. AC020

    07:00

    SIN

    14h 25m

    Nonstop

    06:25

    YVR

    - M - W T F S
    Search
  17. AC572

    20:35

    YVR

    2h 26m

    Nonstop

    23:01

    SFO

    S M T W T F S
  18. OZ752

    23:10

    SIN

    6h 35m

    Nonstop

    06:45

    ICN

    S M T W T F S
    Search
  19. OZ212

    20:50

    ICN

    10h 30m

    Nonstop

    15:20

    SFO

    S M T W T F S
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About Singapore Changi Airport and San Francisco International Airport

Learn about Singapore Changi Airport (SIN) and San Francisco International Airport (SFO) — including location, terminals, transportation, and travel tips.

Flight distance 13,595.19 km
Cheapest one-way ticket price US$451
Cheapest return ticket price US$710

FAQs for Singapore Changi Airport to San Francisco International Airport Flights

  • How long is the flight from Singapore Changi Airport to San Francisco International Airport?

    Singapore Changi Airport to San Francisco International Airport takes about 15 hours 20 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Singapore Changi Airport (SIN) to San Francisco International Airport (SFO).
  • The earliest flight from Singapore Changi Airport to San Francisco International Airport departs at 09:05, and the last departs at 22:20, with about 4 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Singapore Changi Airport (SIN) to San Francisco International Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around US$1,686 in January, the most expensive month to book this route.
  • The earliest flight departs from Singapore Changi Airport at 08:45 and arrives in San Francisco International Airport at 09:15.
  • The latest flight departs from Singapore Changi Airport at 20:40 and arrives in San Francisco International Airport at 20:45.
    • The distance from San Francisco International Airport to downtown is about 17 km, by taxi about 30 minutes.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17 km.
  • Singapore Airlines is a very popular airline operating an average of 3244 flights per month.
  • One-way flights from Singapore Changi Airport to San Francisco International Airport currently start from US$451, and round-trip fares start from US$710. The current lowest fare is a United Airlines flight departing on Fri, Dec 25; prices may vary depending on availability.
  • Yes. United Airlines operate direct flights from Singapore Changi Airport to San Francisco International Airport, with an average flight time of 15 hours 10 minutes, and around 1 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Singapore Changi Airport to San Francisco International Airport is US$775. Prices may vary depending on the departure date, airline, and availability.
  • Singapore Changi Airport to San Francisco International Airport operates around 27 weekly flights, mainly by Singapore Airlines and United Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Singapore Changi Airport and San Francisco International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.