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Cheap Flights from Singapore to San Francisco

Explore the cheapest flights from Singapore to San Francisco in the next three months. Based on Trip.com's data from the latest 7 days, one-way direct flights start at S$ 589, and round-trip direct tickets start at S$ 1,099.

      • Cheapest nonstop
        SIN 08:45
        15h 30m
        Direct
        SFO 09:15
        Singapore - San Francisco | Wed, Sep 16 | United Airlines
        SFO 22:40
        16h 35m
        Direct
        SIN 06:15
        San Francisco - Singapore | Wed, Sep 23 | United Airlines
        S$ 1,099 S$ 1,253
        12% off
        12% off
        S$ 1,253 S$ 1,099
      • SIN 20:35
        15h 30m
        Direct
        SFO 21:05
        Singapore - San Francisco | Mon, Sep 14 | United Airlines
        SFO 10:50
        16h 45m
        Direct
        SIN 18:35
        San Francisco - Singapore | Mon, Sep 21 | United Airlines
        S$ 1,102 S$ 1,253
        12% off
        12% off
        S$ 1,253 S$ 1,102
      • SIN 07:00
        18h 20m
        1 stop
        SFO 10:20
        Singapore - San Francisco | Thu, Sep 17 | Air Canada
        SFO 06:40
        31h 35m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Tue, Sep 22 | Air Canada
        S$ 945 S$ 1,253
        25% off
        25% off
        S$ 1,253 S$ 945
      • SIN 07:00
        18h 20m
        1 stop
        SFO 10:20
        Singapore - San Francisco | Thu, Sep 10 | Air Canada
        SFO 06:40
        31h 35m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Tue, Sep 15 | Air Canada
        S$ 952
        24% off
        S$ 1,253 S$ 952
      • SIN 07:30
        18h 10m
        1 stop
        SFO 10:40
        Singapore - San Francisco | Fri, Sep 11 | Korean Air
        SFO 12:50
        20h 5m
        1 stop
        SIN 23:55
        San Francisco - Singapore | Tue, Sep 15 | Korean Air
        S$ 960
        23% off
        S$ 1,253 S$ 960
      • SIN 07:30
        18h 10m
        1 stop
        SFO 10:40
        Singapore - San Francisco | Thu, Sep 17 | Korean Air
        SFO 12:50
        25h 10m
        1 stop
        SIN 05:00
        San Francisco - Singapore | Mon, Sep 21 | Korean Air
        S$ 968
        23% off
        S$ 1,253 S$ 968
      • SIN 07:00
        18h 20m
        1 stop
        SFO 10:20
        Singapore - San Francisco | Tue, Aug 25 | Air Canada
        SFO 16:30
        21h 45m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Tue, Sep 1 | Air Canada
        S$ 1,012
        19% off
        S$ 1,253 S$ 1,012
      • SIN 07:00
        18h 20m
        1 stop
        SFO 10:20
        Singapore - San Francisco | Sun, Aug 30 | Air Canada
        SFO 06:40
        31h 35m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Sun, Sep 6 | Air Canada
        S$ 1,014
        19% off
        S$ 1,253 S$ 1,014
      • SIN 07:00
        23h 22m
        1 stop
        SFO 15:22
        Singapore - San Francisco | Sat, Aug 29 | Air Canada
        SFO 06:40
        31h 35m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Tue, Sep 1 | Air Canada
        S$ 1,014
        19% off
        S$ 1,253 S$ 1,014
      • SIN 07:00
        20h 11m
        1 stop
        SFO 12:11
        Singapore - San Francisco | Thu, Sep 3 | Air Canada
        SFO 16:35
        21h 40m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Thu, Sep 10 | Air Canada
        S$ 1,029
        18% off
        S$ 1,253 S$ 1,029
      • SIN 07:00
        32h 7m
        1 stop
        SFO 00:07
        Singapore - San Francisco | Thu, Aug 20 | Air Canada
        SFO 16:30
        21h 45m
        1 stop
        SIN 05:15
        San Francisco - Singapore | Thu, Aug 27 | Air Canada
        S$ 1,088
        13% off
        S$ 1,253 S$ 1,088
      • SIN 14:10
        21h 20m
        1 stop
        SFO 20:30
        Singapore - San Francisco | Sat, Sep 5 | STARLUX Airlines
        SFO 00:50
        20h 50m
        1 stop
        SIN 12:40
        San Francisco - Singapore | Thu, Sep 10 | STARLUX Airlines
        S$ 1,090
        13% off
        S$ 1,253 S$ 1,090
      • SIN 13:00
        17h 25m
        1 stop
        SFO 14:00
        Singapore - San Francisco | Wed, Jul 22 | Normal Airline
        SFO 15:00
        6h
        Direct
        SIN 16:00
        San Francisco - Singapore | Fri, Jul 24 | Normal Airline
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      • Cheapest nonstop
        SIN 20:35
        15h 30m
        Direct
        SFO 21:05
        Singapore - San Francisco | Sun, Sep 13 | United Airlines
        S$ 589 S$ 710
        17% off
        17% off
        S$ 710 S$ 589
      • SIN 20:35
        15h 30m
        Direct
        SFO 21:05
        Singapore - San Francisco | Wed, Sep 16 | United Airlines
        S$ 608 S$ 710
        14% off
        14% off
        S$ 710 S$ 608
      • SIN 20:35
        15h 30m
        Direct
        SFO 21:05
        Singapore - San Francisco | Thu, Sep 17 | United Airlines
        S$ 608 S$ 710
        14% off
        14% off
        S$ 710 S$ 608
      • SIN 08:45
        15h 30m
        Direct
        SFO 09:15
        Singapore - San Francisco | Fri, Sep 11 | United Airlines
        S$ 618
        13% off
        S$ 710 S$ 618
      • SIN 20:35
        15h 30m
        Direct
        SFO 21:05
        Singapore - San Francisco | Mon, Sep 14 | United Airlines
        S$ 623
        12% off
        S$ 710 S$ 623
      • SIN 20:35
        15h 30m
        Direct
        SFO 21:05
        Singapore - San Francisco | Sat, Sep 12 | United Airlines
        S$ 624
        12% off
        S$ 710 S$ 624
      • SIN 07:00
        31h 20m
        1 stop
        SFO 23:20
        Singapore - San Francisco | Thu, Sep 17 | Air Canada
        S$ 600
        15% off
        S$ 710 S$ 600
      • SIN 07:00
        32h 7m
        1 stop
        SFO 00:07
        Singapore - San Francisco | Tue, Aug 25 | Air Canada
        S$ 609
        14% off
        S$ 710 S$ 609
      • SIN 07:00
        31h 5m
        1 stop
        SFO 23:05
        Singapore - San Francisco | Sat, Sep 12 | Air Canada
        S$ 610
        14% off
        S$ 710 S$ 610
      • SIN 07:00
        31h 5m
        1 stop
        SFO 23:05
        Singapore - San Francisco | Thu, Sep 10 | Air Canada
        S$ 611
        14% off
        S$ 710 S$ 611
      • SIN 13:00
        17h 25m
        1 stop
        SFO 14:00
        Singapore - San Francisco | Wed, Jul 22 | Normal Airline
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Popular airlines from Singapore to San Francisco

You can choose from 12 airlines that fly from Singapore to San Francisco, including United Airlines, Eva Air, and Singapore Airlines. United Airlines offers the lowest prices on this route.
United Airlines logo United Airlines
Eva Air logo Eva Air
Singapore Airlines logo Singapore Airlines
STARLUX Airlines logo STARLUX Airlines
Cathay Pacific logo Cathay Pacific
Air Canada logo Air Canada
Japan Airlines logo Japan Airlines
China Airlines logo China Airlines
Philippine Airlines logo Philippine Airlines
Air Premia logo Air Premia
American Airlines logo American Airlines
Korean Air logo Korean Air
Airlines are determined based on actual purchased flight tickets from Singapore to San Francisco according to previous 12 months data from Trip.com.

Flying from Singapore to San Francisco

The distance between Singapore and San Francisco is approximately 13,595.91km. It takes around 15 hours 41 minutes on average to fly from Singapore to San Francisco. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is August.

Cheapest one-way flight priceS$ 589
Cheapest return ticket priceS$ 945
Off-season for travelAugust
Peak season for travelJuly
Flight distance13,595.91km
Average flight time15 hours 41 minutes
Popular airlineUnited Airlines
Flight statistics for the Singapore–San Francisco route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com Price Insights on Flights from Singapore to San Francisco.

What is the cheapest month for one-way flights from Singapore to San Francisco?

The average price of one-way flights from Singapore to San Francisco purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Singapore to San Francisco is November, with an average price of S$ 639, and the most expensive month is April, with an average price of up to S$ 1,771.

S$ 1,771
S$ 1,205
S$ 639
S$ 73
    Cheapest
  • S$ 1,174
    Jul
  • S$ 1,025
    Aug
  • S$ 874
    Sep
  • S$ 741
    Oct
  • S$ 639
    Nov
  • S$ 882
    Dec
  • S$ 814
    Jan
  • S$ 916
    Feb
  • S$ 1,458
    Mar
  • S$ 1,771
    Apr
  • S$ 746
    May
  • S$ 889
    Jun

What is the cheapest month for round-trip flights from Singapore to San Francisco?

The average price of round-trip flights from Singapore to San Francisco purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for round-trip flights from Singapore to San Francisco is February, with an average price of S$ 1,119, and the most expensive month is July, with an average price of up to S$ 2,229.

S$ 2,229
S$ 1,674
S$ 1,119
S$ 564
    Cheapest
  • S$ 2,229
    Jul
  • S$ 1,623
    Aug
  • S$ 1,338
    Sep
  • S$ 1,468
    Oct
  • S$ 1,480
    Nov
  • S$ 1,400
    Dec
  • S$ 1,655
    Jan
  • S$ 1,119
    Feb
  • S$ 1,759
    Mar
  • S$ 1,616
    Apr
  • S$ 1,818
    May
  • S$ 1,730
    Jun

What is the cheapest day to fly from Singapore to San Francisco during National Day?

Based on Trip.com's data over the past 3 days, these are the lowest one-way airfares from Singapore to San Francisco during National Day.

National Day is scheduled on Aug 9. The flights from Singapore to San Francisco are cheapest on Aug 10, with the lowest fare of S$ 842.

S$ 1,445
S$ 1,144
S$ 842
S$ 541
    Cheapest
  • S$ 1,086
    5
    Aug
  • S$ 1,063
    6
  • S$ 1,049
    7
  • S$ 1,358
    8
  • S$ 1,445
    9
  • S$ 842
    10
  • S$ 1,053
    11

Frequently Asked Questions

  • Which airlines offer the cheapest flights from Singapore (SIN) to San Francisco (SFO)?

    Based on Trip.com data, United Airlines offers one-way fares as low as S$ 589 on Cheapest nonstop routes (e.g. SIN to SFO on Sun, Sep 13), while Air Canada offers Cheapest nonstop round-trips from S$ 945 departing on Thu, Sep 17 and returning on Tue, Sep 22.
  • At the moment, you can catch a direct flight from Singapore to San Francisco with the following airlines, including: United Airlines Singapore Airlines Japan Airlines China Airlines Air Premia Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 15 hours 41 minutes to fly from Singapore (SIN) to San Francisco (SFO).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Singapore to San Francisco is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 28 flight per week flying from Singapore to San Francisco. You can check the weekly schedule for popular airlines on this route below: United Airlines: S/M/T/W/T/F/S -- UA028 (21:19) United Airlines: S/M/T/W/T/F/S -- UA002 (08:57) Singapore Airlines: S/M/T/W/T/F/S -- SQ034 (20:17)
  • To find best deals on flights from Singapore to San Francisco, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sun, Sep 13, with one-way flights priced at just S$ 589.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Francisco travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Singapore to San Francisco is August, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Singapore to San Francisco on July 21, 2026 with Air Canada, with prices starting at S$ 980.
  • You can land at any one of the following hubs in San Francisco, with Singapore Changi Airport to San Francisco International Airport (SIN-SFO) is by far the most common option on this route: San Francisco International Airport (SFO).
  • The time difference between San Francisco and Singapore is 16h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Flight from Singapore to San Francisco

The tech capital of the world, San Francisco is also known as Silicon Valley. It is home to some of the world’s leading IT companies and is a city known for its hospitable weather and thriving culture. The city is vibrant and has everything from major sports teams, to art exhibits and museums. It is one of the cultural hubs of the U.S. and is a dream destination for many travellers. Travel between Singapore to San Francisco on one of the many daily flights on offer.

How do I get to Singapore’s airport?

Singapore Changi Airport (SIN) has great connectivity to the main city by various modes of transportation like the MRT (Mass Rapid Transit) trains, taxis and buses. The travel time by road to the airport from the centre of the main city is usually 30 minutes. The MRT ride is known to take around 40 minutes.

Which airport will I arrive in San Francisco?

San Francisco has one international airport – San Francisco International Airport (SFO). Flights from Singapore to San Francisco usually arrive at San Francisco International Airport.

Passengers flying between Singapore and San Francisco will land at the international terminal at San Francisco International Airport.

What flights operate between Singapore and San Francisco?

Direct flights to San Francisco fly regularly on this route and are serviced by Singapore Airlines and United. Connecting flights are offered by United, Cathay Pacific and Singapore Airlines.

Cheap flights from Singapore usually have multiple stops and may require prolonged layovers; some of the cheapest flights on this route are offered by China Southern and China Eastern.

How long is the flight?

The shortest flights between Changi Airport and San Francisco International Airport usually take 14 hours or more. Connecting flights take longer, depending on the flight path and layover destination.

Which is the best area to stay in?

All areas in San Francisco are well-connected to the airport by taxis, cable cars and buses.

The most popular area on the island to stay would be Fisherman’s Wharf, which is flush with luxury and budget hotels alike. This area is also known for some of the city’s best restaurants, cafes, bars and clubs.

Another prominent area you can stay in would be Mission District, which regularly sees new restaurants and pubs open.

Where can I shop and eat in San Francisco?

San Francisco is one of the world’s most prominent economic cities. This means the city is a haven for shoppers, offering any form of retail therapy one can imagine. One of the most famous districts for shopping is the waterfront Embarcadero district.

The other areas in the city famous for shopping are Filmore and Union Square.

San Francisco is a great city for a range of worldwide cuisine, but the city is particularly popular for its take on American frontier cuisine with great steakhouses located in the city. Another traditional San Francisco cuisine is trying their famous California take on pizza.

What places should I visit in San Francisco?

Visit Alcatraz Island, which used to house some of the most infamous criminals the world has ever known. Stop by the iconic Golden Gate Bridge or ride around the city in one of the city’s famous cable cars.

San Francisco also has a vibrant art scene and a huge fan base for sports. If you get the chance, watch an NFL game with the San Francisco 49ers or a baseball game with one of the games most storied franchises called the San Francisco Giants. The city is also known to house some of the best IT parks in the world.

Did you know? San Francisco has an official musical instrument- it’s the accordion.

Make Singapore to San Francisco flight bookings with Trip.com for great savings. Get significant deals by combining your Singapore-San Francisco flight booking with discounted hotel reservations.

Get a dose of the sights and experiences in San Francisco with Trip.com.

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Note: Prices shown on this page are the lowest estimated 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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.