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

Airfare is typical for this route at the moment. Singapore to San Francisco flights typically cost between £641 and £849 in September. The cheapest return flight price found within the last 3 days was £672 on STARLUX Airlines (1 Sept-22 Sept).

Question 1

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 50m.

Question 2

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

Accepted Answer

Airfare is typical for this route at the moment.Singapore to San Francisco flights typically cost between £641 and £849 in September.
The cheapest return flight price found within the last 3 days was £672 on STARLUX Airlines (1 Sept-22 Sept).

Question 3

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 4

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 16% of flights being delayed.

Question 5

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 6

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 £517.

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 69% of one-stop itineraries from Singapore to San Francisco on Cheapflights.

Question 8

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 50m.

Question 9

How often are flights from Singapore to San Francisco delayed?

Accepted Answer

About 20% of weekly flights between Singapore and San Francisco have experienced delays in the past year, with the average delay time being 122 minutes.

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 14 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 United Airlines fly from Singapore to San Francisco in about 15h 45m. The time it takes to get you to your destination is usually consistent. The distance from Singapore to San Francisco is about 8433 mi. All flights are typically direct.

Question 12

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

Accepted Answer

Booking 69 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 13

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 £511). Flying from Singapore to San Francisco in April is currently the most expensive (average of £822). 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 14

Weekly flight availability from Singapore to San Francisco

Accepted Answer

The most flights from SIN to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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

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 19

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 20

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 21

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 22

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 23

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 24

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	£672
One-way from	£398
Popular in	April
Cheapest in	February
Average price	£716

Cheap flights from Singapore to San Francisco from £398

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 21/10. 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 21 June 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 21 June 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 21 June 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 21 June 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 21 June 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 21 June 2026.

Last-minute flights from Singapore to San FranciscoDiscover last-minute flight deals from Singapore to San Francisco. Data last updated 21 June 2026 and is based on user searches.

Discover last-minute flight deals from Singapore to San Francisco. Data last updated 21 June 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 21 June 2026.

Search for one-way flight options from Singapore to San Francisco. Find affordable one-way fares based on user searches. Data last updated 21 June 2026.

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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?

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?

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

Weekly flight availability from Singapore to San Francisco

How often are flights from Singapore to San Francisco delayed?

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

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

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

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

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

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

Which airport typically offers the quickest stopover for flights 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?

How long is the flight from Singapore to San Francisco?

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

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

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

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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 21 June 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 21 June 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 21 June 2026.

Last-minute flights from Singapore to San Francisco
Discover last-minute flight deals from Singapore to San Francisco. Data last updated 21 June 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 21 June 2026.