Find flights
Deals
When to book
FAQs

Cheap flights from Singapore to San Francisco from £345

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
18 May — 25 May1
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 59 days in advance, depart on a Friday or Thursday and return on a Monday

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 18 April 2026.

Wed 9/901:25
SIN
-
SFO
1 stop24h 15m
Korean Air
Mon 14/912:50
SFO
-
SIN
1 stop20h 05m
Korean Air
Deal found 15/4£636
Fri 2/1007:30
SIN
-
SFO
2 stops31h 16m
Delta
Sun 11/1006:00
SFO
-
SIN
2 stops32h 00m
Delta
Deal found 16/4£640
Tue 16/620:35
SIN
-
SFO
Nonstop15h 45m
United Airlines
Thu 3/922:50
SFO
-
SIN
Nonstop16h 25m
United Airlines
Deal found 13/4£677
Mon 24/809:15
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Tue 8/911:45
SFO
-
SIN
Nonstop16h 25m
Singapore Airlines
Deal found 15/4£678
Thu 17/920:35
SIN
-
SFO
Nonstop15h 30m
United Airlines
Mon 21/922:40
SFO
-
SIN
Nonstop16h 35m
United Airlines
Deal found 13/4£694
Sun 17/514:00
SIN
-
SFO
1 stop21h 30m
STARLUX Airlines
Sat 23/500:50
SFO
-
SIN
1 stop20h 50m
STARLUX Airlines
Deal found 16/4£695

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 18 April 2026.

Round-trip from

£636

One-way from

£345

Popular in

August

Cheapest in

February

Average price

£763

Good round-trip deal

£670 or less
Korean Air
  • Korean Air
  • 9/9-14/9
  • 2 total stops
  • 44h 20m total
  • Singapore to San Francisco
Search Deals
United Airlines
  • United Airlines
  • 11/5
  • Nonstop
  • 15h 10m total
  • Singapore to San Francisco
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£22 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Singapore Changi to San Francisco.
Search Deals

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 18 April 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

Cheapest return flight

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 22/8

15:20-20:35

1 stop20h 15m

San Francisco

Wed 9/9

01:25-11:55

1 stop19h 30m

£755

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 17/9

11:05-16:30

1 stop20h 25m

San Francisco

Mon 21/9

10:50-18:35

Nonstop16h 45m

£791

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 27/6

03:15-13:35

1 stop25h 20m

San Francisco

Sat 1/8

15:55-15:45

1 stop32h 50m

£805

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 27/8

07:30-23:52

2 stops31h 22m

San Francisco

Sat 12/9

06:05-05:00

2 stops31h 55m

£824
Fastest return journey

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 10/9

20:35-21:05

Nonstop15h 30m

San Francisco

Mon 14/9

10:50-18:35

Nonstop16h 45m

£844

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 30/6

13:10-07:20

1 stop33h 10m

San Francisco

Thu 27/8

01:25-11:55

1 stop19h 30m

£870

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 28/7

19:40-20:57

2 stops40h 17m

San Francisco

Tue 25/8

15:55-08:50

1 stop25h 55m

£884

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 28/4

06:15-23:44

2 stops32h 29m

San Francisco

Tue 5/5

10:25-18:35

Nonstop17h 10m

£895

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 1/5

20:05-22:40

1 stop17h 35m

San Francisco

Sun 17/5

00:20-11:45

1 stop20h 25m

£947

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 14/7

20:35-21:20

Nonstop15h 45m

San Francisco

Sun 2/8

01:40-06:40

1 stop38h 00m

£984

Flights are sorted by cheapest return flights first.

Deals found on 13/4

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 10 April 2026.

Booking 59 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, February is the cheapest month in which you can book a flight from Singapore to San Francisco (average of £499). Flying from Singapore to San Francisco in August is currently the most expensive (average of £784). 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 18 April 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.

How much does it cost for a return flight from Singapore to San Francisco?

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 22 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 EVA Air, United Airlines, and Delta fly from Singapore to San Francisco in about 20h 15m. The time it takes to get you to your destination can typically vary by up to 11h 07m. 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 £538. While the most popular route (Singapore Changi - San Francisco) can be booked for £797 on average, our data indicates £977 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, February is the cheapest month in which you can book a flight from Singapore to San Francisco (average of £499). Flying from Singapore to San Francisco in August is currently the most expensive (average of £784). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.