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

Airfare is below average for this route at the moment. Singapore to San Francisco flights typically cost between £577 and £763 in December. The cheapest return price found within the last 5 days was £561 on United Airlines (25 Dec–13 Jan).

Question 1

What’s the cheapest stopover airport for flights from Singapore to San Francisco?

Accepted Answer

Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of £693.

Question 2

What’s the fastest stopover option from Singapore to San Francisco?

Accepted Answer

Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 16h 58m.

Question 3

How often are flights from Singapore to San Francisco delayed?

Accepted Answer

About 18% of weekly flights between Singapore and San Francisco have experienced delays in the past year, with the average delay time being 149 minutes.

Question 4

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

Accepted Answer

Airfare is below average for this route at the moment.Singapore to San Francisco flights typically cost between £577 and £763 in December.
The cheapest return price found within the last 5 days was £561 on United Airlines (25 Dec–13 Jan).

Question 5

Which airline has the best punctuality record on Singapore to San Francisco flights?

Accepted Answer

Over the past year, Singapore Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

Question 6

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Question 7

What’s the top stopover airport for flights from Singapore to San Francisco?

Accepted Answer

Hong Kong (HKG) – chosen by Cheapflights users on 67% of one-stop itineraries from Singapore to San Francisco on Cheapflights.

Question 8

What is the most punctual flight time for Singapore to San Francisco flights?

Accepted Answer

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

Question 9

Which airport typically offers the quickest stopover for flights from Singapore to San Francisco?

Accepted Answer

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 1h 47m.

Question 10

How popular is this Singapore to San Francisco flight route?

Accepted Answer

This flight path from Singapore Changi to San Francisco was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 11

How long is the flight from Singapore to San Francisco?

Accepted Answer

Airlines like Korean Air, Singapore Airlines, and Delta fly from Singapore to San Francisco in about 14h 45m. The time it takes to get you to your destination can typically vary by up to 15h 10m. The distance from Singapore to San Francisco is about 8433 mi. This flight may include one or multiple stops.

Question 12

What is the cheapest airline to fly from Singapore to San Francisco round-trip?

Accepted Answer

Currently priced at £572, United Airlines will fly you from Singapore to San Francisco and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 22% cheaper than the average price of flights available within the next 90 days to this destination.

Question 13

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

Accepted Answer

Booking 80 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.

Question 14

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

Accepted Answer

Currently, February is the cheapest month in which you can book a flight from Singapore to San Francisco (average of £531). Flying from Singapore to San Francisco in March is currently the most expensive (average of £1,007). 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.

Question 15

E

Accepted Answer

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Question 16

E

Accepted Answer

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Question 17

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

Accepted Answer

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.

Question 18

What airports do I use to fly from Singapore to San Francisco?

Accepted Answer

If you wish to fly to San Francisco from Singapore, then you need to book flights from Singapore Changi to San Francisco. There are 2 flights from Changi (SIN) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Changi are available from 1 airline, which means you should have some options if you want to compare airfare deals. 15h 30m is how long a nonstop flight from Singapore to San Francisco typically takes.

Question 19

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

Accepted Answer

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

Question 20

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

Accepted Answer

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.

Question 21

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

Accepted Answer

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.

Question 22

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

Accepted Answer

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.

Question 23

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

Accepted Answer

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.

Question 24

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

Accepted Answer

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.

Question 25

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

Accepted Answer

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!

Round-trip from	£561
One-way from	£351
Popular in	March
Cheapest in	February
Average price	£699

Cheap flights from Singapore to San Francisco from £351

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Singapore to San Francisco

Cheapest flights from Singapore to San FranciscoExplore 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 30 October 2026.

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 30 October 2026.

Best flights from Singapore to San FranciscoDiscover carefully curated flight deals from Singapore to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Singapore to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Direct flights from Singapore to San FranciscoExplore direct flight options from Singapore to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 October 2026.

Explore direct flight options from Singapore to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 October 2026.

Last-minute flights from Singapore to San FranciscoDiscover last-minute flight deals from Singapore to San Francisco. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Singapore to San Francisco. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Singapore to San FranciscoSearch for one-way flight options from Singapore to San Francisco. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Singapore to San Francisco. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

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.

Cheapflights Insights

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

Booking 80 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?

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

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?

Airfare is below average for this route at the moment.

Singapore to San Francisco flights typically cost between £577 and £763 in December.The cheapest return price found within the last 5 days was £561 on United Airlines (25 Dec–13 Jan).

How often are flights from Singapore to San Francisco delayed?

About 18% of weekly flights between Singapore and San Francisco have experienced delays in the past year, with the average delay time being 149 minutes.

What is the most punctual flight time for Singapore to San Francisco flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Wednesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Singapore to San Francisco flights?

Over the past year, Singapore Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

What’s the top stopover airport for flights from Singapore to San Francisco?

Hong Kong (HKG) – chosen by Cheapflights users on 67% of one-stop itineraries from Singapore to San Francisco on Cheapflights.

What’s the cheapest stopover airport for flights from Singapore to San Francisco?

Hong Kong (HKG) is the most affordable one-stop option, with an average return flight price of £693.

What’s the fastest stopover option from Singapore to San Francisco?

Flights via Hong Kong (HKG) have the shortest average one-way travel time for one-stop routes: 16h 58m.

Which airport typically offers the quickest stopover for flights from Singapore to San Francisco?

Flights via Hong Kong (HKG) offer the fastest connection on this route, with an average stopover time of 1h 47m.

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with United Airlines from Singapore to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airports do I use to fly from Singapore to San Francisco?

How popular is this Singapore to San Francisco flight route?

How long is the flight from Singapore to San Francisco?

What is the cheapest airline to fly from Singapore to San Francisco round-trip?

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

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

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

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

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Top airline flying from Singapore to San Francisco

Fly with Cheapflights

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 30 October 2026.

Best flights from Singapore to San Francisco
Discover carefully curated flight deals from Singapore to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Direct flights from Singapore to San Francisco
Explore direct flight options from Singapore to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 30 October 2026.

Last-minute flights from Singapore to San Francisco
Discover last-minute flight deals from Singapore to San Francisco. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Singapore to San Francisco
Search for one-way flight options from Singapore to San Francisco. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Singapore to San Francisco flights typically cost between £577 and £763 in December.
The cheapest return price found within the last 5 days was £561 on United Airlines (25 Dec–13 Jan).