Cheap Flights from Singapore (SINS) to San Francisco (SFO)

Compare Singapore to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Singapore to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Singapore to San Francisco International Airport? If you want to travel next month, return fares start from $1,222. Find the lowest prices on one-way and return tickets right here.

San Francisco.$822 per passenger.Departing Tue, 30 Jun, returning Sun, 5 Jul.Return flight with United.Outbound direct flight with United departs from Singapore Changi on Tue, 30 Jun, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Sun, 5 Jul, arriving in Singapore Changi.Price includes taxes and charges.From $822, select.

San Francisco.$1,046 per passenger.Departing Fri, 20 Nov, returning Sun, 29 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Fri, 20 Nov, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 29 Nov, arriving in Singapore Changi.Price includes taxes and charges.From $1,046, select.

San Francisco.$1,048 per passenger.Departing Sun, 14 Jun, returning Thu, 6 Aug.Return flight with United.Outbound direct flight with United departs from Singapore Changi on Sun, 14 Jun, arriving in San Francisco International.Inbound direct flight with United departs from San Francisco International on Thu, 6 Aug, arriving in Singapore Changi.Price includes taxes and charges.From $1,048, select.

San Francisco.$1,079 per passenger.Departing Fri, 22 Jan, returning Sun, 31 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Fri, 22 Jan, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 31 Jan, arriving in Singapore Changi.Price includes taxes and charges.From $1,079, select.

San Francisco.$1,098 per passenger.Departing Fri, 30 Oct, returning Sun, 8 Nov.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Fri, 30 Oct, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 8 Nov, arriving in Singapore Changi.Price includes taxes and charges.From $1,098, select.

San Francisco.$1,100 per passenger.Departing Thu, 19 Nov, returning Tue, 1 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 19 Nov, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Tue, 1 Dec, arriving in Singapore Changi.Price includes taxes and charges.From $1,100, select.

San Francisco.$1,102 per passenger.Departing Thu, 3 Dec, returning Sun, 6 Dec.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 3 Dec, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 6 Dec, arriving in Singapore Changi.Price includes taxes and charges.From $1,102, select.

San Francisco.$1,105 per passenger.Departing Thu, 17 Dec, returning Tue, 12 Jan.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 17 Dec, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Tue, 12 Jan, arriving in Singapore Changi.Price includes taxes and charges.From $1,105, select.

San Francisco.$1,107 per passenger.Departing Fri, 5 Feb, returning Wed, 10 Feb.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Fri, 5 Feb, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Wed, 10 Feb, arriving in Singapore Changi.Price includes taxes and charges.From $1,107, select.

San Francisco.$1,107 per passenger.Departing Thu, 15 Oct, returning Sun, 25 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 15 Oct, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 25 Oct, arriving in Singapore Changi.Price includes taxes and charges.From $1,107, select.

San Francisco.$1,119 per passenger.Departing Sat, 26 Sep, returning Sun, 4 Oct.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Sat, 26 Sep, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 4 Oct, arriving in Singapore Changi.Price includes taxes and charges.From $1,119, select.

San Francisco.$1,121 per passenger.Departing Fri, 26 Mar, returning Sun, 4 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Fri, 26 Mar, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 4 Apr, arriving in Singapore Changi.Price includes taxes and charges.From $1,121, select.

San Francisco.$1,139 per passenger.Departing Tue, 16 Feb, returning Sun, 14 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Tue, 16 Feb, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 14 Mar, arriving in Singapore Changi.Price includes taxes and charges.From $1,139, select.

San Francisco.$1,144 per passenger.Departing Tue, 23 Mar, returning Sun, 28 Mar.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Tue, 23 Mar, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Sun, 28 Mar, arriving in Singapore Changi.Price includes taxes and charges.From $1,144, select.

San Francisco.$1,151 per passenger.Departing Thu, 24 Sep, returning Mon, 28 Sep.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Thu, 24 Sep, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Mon, 28 Sep, arriving in Singapore Changi.Price includes taxes and charges.From $1,151, select.

San Francisco.$1,151 per passenger.Departing Tue, 6 Apr, returning Tue, 13 Apr.Return flight with Air Canada.Outbound indirect flight with Air Canada, departs from Singapore Changi on Tue, 6 Apr, arriving in San Francisco International.Inbound indirect flight with Air Canada, departs from San Francisco International on Tue, 13 Apr, arriving in Singapore Changi.Price includes taxes and charges.From $1,151, select.

Find the cheapest month to fly from Singapore to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore to San Francisco International flights are currently cheapest in November.

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Direct flights from Singapore to San Francisco International

Singapore to San Francisco International: Alternative routes

Compare routes from Singapore to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Singapore to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	$822
Cheapest month to fly	June
Average flight time	15 hrs, 10 mins
Most popular airline	United
Average flights per week	62

Finding cheap flights from Singapore to San Francisco International: Frequently asked questions

How much are return flights from Singapore to San Francisco International?

The best price we found for a return flight from Singapore to San Francisco International is $822. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Singapore to San Francisco International?

15 hours and 10 minutes is the average flight time from Singapore to San Francisco International.

Which airlines fly direct from Singapore to San Francisco International?

United and Singapore Airlines fly direct from Singapore to San Francisco International.

How many flights are there a week from Singapore to San Francisco International?

As of June 2026, there are 31 flights per week flying from Singapore to San Francisco International.

When is the cheapest time to fly from Singapore to San Francisco International?

The cheapest month to fly from Singapore to San Francisco International is usually June.

Which upcoming date is cheapest to fly from Singapore to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Singapore to San Francisco International Airport on Tuesday, 30 June 2026.

Can I get a direct flight from Singapore to San Francisco International Airport?

Yes – the average flight time is 15 hours and 10 minutes.

How can I find the best flight deal to San Francisco International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Singapore to San Francisco International with?

The cheapest airline that flies to San Francisco International is United .

Travelling from Singapore to San Francisco International Airport (SFO): What you need to know

Singapore Changi Airport (SIN) is Singapore's main airport. Explore your options for booking a flight from Singapore to San Francisco International Airport (SFO) departing from here.
Expect to be travelling for 15 hours 10 minutes. On average, that's the time it takes for a direct Singapore to San Francisco International Airport flight.
San Francisco International Airport is located in San Francisco. The city follows the UTC-8 timezone and is 16 hours behind Singapore.
Singapore Changi Airport (SIN) to San Francisco International Airport (SFO) is the most popular route. There are 28 direct weekly departures to pick from. If you have plans before you fly, take the last flight with United Airlines at 10:20pm. Choose the first SIN to SFO departure operated by United Airlines at 8:45am if you want to get going earlier.
For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to board your flight from Singapore to SFO.
During popular months such as February, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

Airports in Singapore

Singapore Changi Airport (SIN)

Singapore Changi Airport (SIN) is a convenient option for travelling directly to your destination. Nonstop flights from Singapore to San Francisco International Airport (SFO) can be booked from this terminal.
You can get away on a direct flight from Singapore to San Francisco International Airport with Singapore Airlines. This well-known airline operates departures from SIN.
The preferred choice for passengers flying between SIN and SFO is Singapore Airlines.
Singapore Airlines is the most punctual carrier operating on this route, with 78.33% of its services landing on time.
Stopovers are the ideal opportunity to take a break from travelling and maybe even tour another city. When browsing cheap flights from Singapore to SFO leaving from Singapore Changi Airport (SIN), uncheck the 'Direct flights only' box to get ideas for where to visit along the way. Here's where you could connect through:
- Tokyo Haneda International Airport (HND)
- Hong Kong International Airport (HKG)
- Taiwan Taoyuan International Airport (TPE)
SIN is about 19 kilometres from central Singapore. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 25 minutes or so to get there, depending on traffic. If you're taking public transport, expect the travel time to be around 40 minutes.
Searching for a comfortable hotel near Singapore Changi Airport? If you're catching an early flight from Singapore to San Francisco International Airport, these stays will have you sleeping moments from your check-in counter:
Of the departures from Singapore Changi Airport, 74% arrive as scheduled at their destination.

Seletar Airport (XSP)

XSP is roughly 14 kilometres from the centre of Singapore. Plan ahead to find the fastest way to get to the terminal.
Catching the earliest flight? You might like to check in to one of these accommodation options near Seletar Airport the day before your Singapore to SFO flight:
The majority of flights that leave Seletar Airport land at their destination as expected. It maintains a strong on-time performance rate of 82%.

About San Francisco International Airport (SFO)

If you have a late flight from Singapore to San Francisco International Airport, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and relaxing not long after at one of these options near SFO:
To get the best deal, book your vehicle around one week in advance of your Singapore to San Francisco International Airport flight.

Getting from San Francisco International Airport (SFO) to central San Francisco

San Francisco International Airport is around 21 kilometres from central San Francisco. It takes around 25 minutes or so to get to the city by car.
If you're taking public transport, expect a journey time of roughly 35 minutes.

How to find the cheapest flights from Singapore to San Francisco International Airport (SFO)

At the moment, $644 is the lowest price we've found for a one-way ticket from Singapore to San Francisco International Airport. The cheapest price for a return flight is $822. Remember fares may change due to availability at the time of booking.
Booking early is often the key to finding a cheap flight from Singapore to SFO. Airlines adjust prices based on demand, so the closer your departure date, the more expensive your ticket may be.
The 'Whole month' tool shows you the cheapest Singapore to San Francisco International Airport tickets across each month. It's a great way to snap up a bargain if your travel plans aren't set in stone.
There's no need to search every day to find out if fares have dropped when you set up a Price Alert. We'll let you know the moment a new deal shows up on plane tickets from Singapore to SFO.
Chase down a great fare on a flight from Singapore to San Francisco International Airport with the help of the filters. Pick your preferred arrival and departure times, number of stops and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best.'

The best time to fly from Singapore to San Francisco International Airport (SFO)

May is when most people book flights from Singapore to San Francisco International Airport (SFO). Plan your visit to San Francisco in January if you prefer a quieter experience.
Before locking in your Singapore to SFO plane ticket, consider what kind of weather works for you. September is the warmest month in San Francisco, with temperatures ranging from 12ºC (54ºF) to 22ºC (72ºF).
If you'd rather travel in cooler conditions, search for a cheap ticket from Singapore to San Francisco International Airport in January when temperatures are between 6ºC (43ºF) and 16ºC (61ºF).

More about San Francisco

After booking your flight from Singapore to San Francisco International Airport, find a hotel that puts you in a great location. Make one of these accommodation options your base for exploring San Francisco:
Your San Francisco visit won't be complete without checking out the sights. Highlights you won't want to miss include Golden Gate Bridge, Painted Ladies - Alamo Square and Alcatraz Island.

Explore more of the United States

You've seen San Francisco, now it's time to discover other parts of the United States. Journey around 257 kilometres east to Fresno to check off its top sights. From Forestiere Underground Gardens to Shinzen Japanese Garden and Fresno Chaffee Zoo, your itinerary will be busy.
Around 129 kilometres northeast of San Francisco, Sacramento is another essential stop in the United States. Get a taste of what this destination has to offer at California State Railroad Museum, Old Sacramento State Historic Park and Crocker Art Museum.