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Cheap flights from Singapore to San Francisco from £320

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
31 Mar — 7 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to San Francisco are usually found in February or October, booked 60 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Singapore to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to San Francisco
Explore the most affordable flight options available from Singapore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 March 2026.

Tue 13/1014:10
SIN
-
SFO
1 stop21h 20m
STARLUX Airlines
Mon 2/1123:10
SFO
-
SIN
1 stop22h 15m
STARLUX Airlines
Deal found 1/3£562
Wed 14/1008:45
SIN
-
SFO
Nonstop15h 30m
United Airlines
Sun 18/1010:50
SFO
-
SIN
Nonstop16h 45m
United Airlines
Deal found 1/3£564
Wed 15/416:35
SIN
-
SFO
1 stop31h 30m
Multiple Airlines
Wed 22/411:00
SFO
-
SIN
Nonstop17h 10m
Multiple Airlines
Deal found 1/3£575
Wed 15/413:45
SIN
-
SFO
1 stop21h 10m
China Airlines
Tue 21/401:05
SFO
-
SIN
1 stop20h 30m
China Airlines
Deal found 1/3£589
Thu 12/302:00
SIN
-
SFO
1 stop32h 45m
China Airlines
Sun 22/323:40
SFO
-
SIN
1 stop34h 00m
China Airlines
Deal found 28/2£593
Mon 11/514:00
SIN
-
SFO
1 stop21h 30m
STARLUX Airlines
Thu 28/500:50
SFO
-
SIN
1 stop21h 00m
STARLUX Airlines
Deal found 28/2£594
Wed 1/423:10
SIN
-
SFO
1 stop24h 55m
Multiple Airlines
Thu 30/411:00
SFO
-
SIN
Nonstop17h 10m
Multiple Airlines
Deal found 1/3£603
Wed 25/310:10
SIN
-
SFO
Nonstop14h 55m
United Airlines
Wed 1/410:25
SFO
-
SIN
Nonstop17h 10m
United Airlines
Deal found 26/2£614
Thu 12/322:20
SIN
-
SFO
Nonstop14h 55m
United Airlines
Mon 23/311:35
SFO
-
SIN
Nonstop17h 40m
United Airlines
Deal found 27/2£615
Sun 8/322:20
SIN
-
SFO
Nonstop14h 55m
United Airlines
Mon 23/311:35
SFO
-
SIN
Nonstop17h 40m
United Airlines
Deal found 1/3£615

Find flight deals from Singapore to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 March 2026.

Round-trip from

£564

One-way from

£320

Popular in

August

Cheapest in

February

Average price

£615

Good round-trip deal

£566 or less
United Airlines
  • United Airlines
  • 1/5-16/5
  • Nonstop
  • 32h 20m total
  • Singapore to San Francisco
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United Airlines
  • United Airlines
  • 1/5
  • Nonstop
  • 15h 10m total
  • Singapore to San Francisco
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£25 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Singapore Changi to San Francisco.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Singapore to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 March 2026.
Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 1/5

09:00-09:10

Nonstop15h 10m

San Francisco

Sat 16/5

10:25-18:35

Nonstop17h 10m

£564

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 16/4

14:00-20:30

1 stop21h 30m

San Francisco

Wed 22/4

00:50-12:40

1 stop20h 50m

£624

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 9/7

13:45-20:30

1 stop21h 45m

San Francisco

Wed 22/7

01:05-12:35

1 stop20h 30m

£643

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 14/4

01:25-23:59

2 stops37h 34m

San Francisco

Wed 22/4

05:59-23:55

2 stops26h 56m

£646

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 17/3

14:25-19:45

1 stop20h 20m

San Francisco

Sat 18/4

19:20-12:35

2 stops26h 15m

£676

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sun 22/3

02:40-10:00

3 stops22h 20m

San Francisco

Sat 18/4

12:00-15:35

1 stop36h 35m

£698

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 12/3

01:35-10:30

1 stop23h 55m

San Francisco

Sun 22/3

14:55-00:10

2 stops42h 15m

£727

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 9/7

08:45-09:30

Nonstop15h 45m

San Francisco

Wed 22/7

22:50-06:15

Nonstop16h 25m

£761

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 15/6

08:45-09:30

Nonstop15h 45m

San Francisco

Fri 3/7

22:50-06:15

Nonstop16h 25m

£785

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 8/4

14:00-20:30

1 stop21h 30m

San Francisco

Tue 26/5

00:50-12:40

1 stop20h 50m

£785

Flights are sorted by cheapest return flights first.

Deals found on 26/2

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Singapore to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Singapore with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Singapore to San Francisco

How far ahead should I book a flight from Singapore to San Francisco?

Use this chart to determine the optimal time to book a return flight from Singapore to San Francisco. Price data was last updated on 27 February 2026.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Singapore to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Singapore to San Francisco?

Currently, March is the cheapest month in which you can book a flight from Singapore to San Francisco (average of £301). Flying from Singapore to San Francisco in December is currently the most expensive (average of £509). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SIN to SFO?

Find hourly flight availability from Singapore to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 March 2026.

When flying from Singapore to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Singapore to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Singapore to San Francisco flight route?

    This flight path from Singapore Changi to San Francisco was viewed by 21 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Airlines like United Airlines, STARLUX Airlines, and Delta fly from Singapore to San Francisco in about 15h 10m. The time it takes to get you to your destination can typically vary by up to 22h 24m. The distance from Singapore to San Francisco is about 8433 mi. This flight may include one or multiple stops.

  • What are the cheapest flights from Singapore to San Francisco?

    Looking at all options, your cheapest flight can be booked for £566. While the most popular route (Singapore Changi - San Francisco) can be booked for £667 on average, our data indicates £660 when flying from Singapore to San Francisco.

  • Can I find deals for flights from Singapore to San Francisco that include hotel bookings?

    Yes. In addition to deals on Singapore to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Singapore to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to San Francisco.

  • Can I find deals for business class flights from Singapore to San Francisco?

    Yes. Cheapflights offers flight deals from Singapore to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Singapore to San Francisco?

    Currently, March is the cheapest month in which you can book a flight from Singapore to San Francisco (average of £301). Flying from Singapore to San Francisco in December is currently the most expensive (average of £509). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
San Bruno
Bodega Bay
South San Francisco
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Singapore to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Singapore to Los Angeles flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to San Francisco?

Deals for Singapore to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Singapore to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to San Francisco.

Can Cheapflights find flights from Singapore to San Francisco with no change fees?

Yes, we can. To see specific flights from Singapore to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Singapore to San Francisco become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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