Question 1

How popular is this Singapore to San Francisco flight route?

Accepted Answer

This flight path from Singapore Changi to San Francisco was viewed by 46 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 2

What are the cheapest airlines flying from Singapore to San Francisco round-trip?

Accepted Answer

Currently priced at £545, Asiana Airlines will fly you from Singapore to San Francisco and back. In addition to Asiana Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Singapore Airlines and Air Canada - these airlines can fly you to your destination from £549 and £553, respectively. Asiana Airlines is 18% cheaper than the average price of flights available within the next 90 days to this destination.

Question 3

What are the cheapest airlines to fly from Singapore to San Francisco one-way?

Accepted Answer

For one-way options, check prices for United Airlines. According to our data, you can fly for as low as £313. Users have also found prices from £348 and £375 on ZIPAIR and China Airlines, respectively.

Question 4

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

Accepted Answer

Booking 58 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 5

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 £538). Flying from Singapore to San Francisco in July is currently the most expensive (average of £803). 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 6

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

Accepted Answer

Travellers seeking maximum savings on their Singapore to San Francisco flight should consider departing on Monday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 7

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 8

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 9

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 10

What are the cheapest flights from Singapore to San Francisco?

Accepted Answer

Looking at all options, your cheapest flight can be booked for £524. While the most popular route (Singapore Changi - San Francisco) can be booked for £560 on average our data indicates £1,155 when flying from Singapore to San Francisco.

Question 11

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

Accepted Answer

Saturday flights are found to be more expensive to fly from Singapore to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

Question 12

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

Accepted Answer

Find a great deal and save up to 23% by booking at least 59 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Singapore to San Francisco within the next two weeks, with the cheapest ticket starting at £603.

Question 13

What is the cheapest month to fly from Singapore to San Francisco?

Accepted Answer

March can be a great time to fly to San Francisco from Singapore with a flight ticket averaging about £666. Cheapflights users have found deals in the month of March for as cheap as £447. The most expensive prices can be found in the month of August.

Question 14

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

Accepted Answer

It’s typically best to fly out from Singapore to San Francisco at midday. Doing so could potentially save you 38% on the flight price compared to flying in the evening, which is usually more expensive.

Question 15

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 4 flights from Changi (SIN) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Changi are available from 2 different airlines, 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 16

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 17

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 18

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 19

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 20

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 21

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 22

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	£545
One-way from	£313
Popular in	August
Cheapest in	March
Average price	£657
Good round-trip deal	£607 or less
Good one-way deal	£525 or less

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£582	Average£776	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Singapore Airlines	Cheapest£610	Average£908	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Cheap flights from Singapore to San Francisco from £313

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Singapore Changi to San Francisco are usually found in March or February, booked 58 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap flight deals from Singapore to San Francisco

Round-trip from

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Find 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 11 juli 2025.

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 11 juli 2025.

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

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 June 2025.

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?

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 11 juli 2025.

Weekly flight availability from Singapore to San Francisco

Reviews of airlines servicing San Francisco

Read reviews from past customers who have flown with STARLUX Airlines, EVA Air, andKorean Air 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

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.

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

How popular is this Singapore to San Francisco flight route?

What are the cheapest airlines flying from Singapore to San Francisco round-trip?

What are the cheapest airlines to fly from Singapore to San Francisco one-way?

What are the cheapest flights 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?

Travelling to a place near Singapore?

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Alternative routes for Singapore to San Francisco

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Top 2 airlines flying from Singapore to San Francisco

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

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

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 11 juli 2025.