$389 Cheap Flights from Singapore (SIN) to San Francisco (SFO)

View $389 flight on Wed, Feb 4, 2026Opens in a new window

Popular airlines from Singapore Changi Airport (SIN) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Singapore to San Francisco (SIN-SFO)

Prices were available within the past 7 days and start at $389 for one-way flights and $596 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 26 - Thu, Oct 2
SIN
Singapore
SFO
San Francisco
$596 Roundtrip, found 6 days ago
$596
Roundtrip
found 6 days ago
Select United flight, departing Fri, Sep 26 from Singapore to San Francisco, returning Thu, Oct 2, priced at $596 found 6 days ago
Singapore Airlines
Mon, Jan 26 - Tue, Feb 10
SIN
Singapore
SFO
San Francisco
$644 Roundtrip, found 12 hours ago
$644
Roundtrip
found 12 hours ago
Select Singapore Airlines flight, departing Mon, Jan 26 from Singapore to San Francisco, returning Tue, Feb 10, priced at $644 found 12 hours ago
Philippine Airlines
Mon, Sep 1 - Tue, Oct 7
SIN
Singapore
SFO
San Francisco
$668 Roundtrip, found 5 hours ago
$668
Roundtrip
found 5 hours ago
Select Philippine Airlines flight, departing Mon, Sep 1 from Singapore to San Francisco, returning Tue, Oct 7, priced at $668 found 5 hours ago
Asiana Airlines
Sun, Feb 8 - Mon, Feb 9
SIN
Singapore
SFO
San Francisco
$734 Roundtrip, found 5 hours ago
$734
Roundtrip
found 5 hours ago
Select Asiana Airlines flight, departing Sun, Feb 8 from Singapore to San Francisco, returning Mon, Feb 9, priced at $734 found 5 hours ago
STARLUX Airlines
Fri, Sep 5 - Tue, Sep 30
SIN
Singapore
SFO
San Francisco
$749 Roundtrip, found 5 hours ago
$749
Roundtrip
found 5 hours ago
Select STARLUX Airlines flight, departing Fri, Sep 5 from Singapore to San Francisco, returning Tue, Sep 30, priced at $749 found 5 hours ago
Cathay Pacific
Thu, Nov 20 - Sat, Nov 29
SIN
Singapore
SFO
San Francisco
$757 Roundtrip, found 5 hours ago
$757
Roundtrip
found 5 hours ago
Select Cathay Pacific flight, departing Thu, Nov 20 from Singapore to San Francisco, returning Sat, Nov 29, priced at $757 found 5 hours ago
Air Canada
Thu, Sep 25 - Tue, Sep 30
SIN
Singapore
SFO
San Francisco
$795 Roundtrip, found 17 hours ago
$795
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Thu, Sep 25 from Singapore to San Francisco, returning Tue, Sep 30, priced at $795 found 17 hours ago
All Nippon Airways
Sun, Feb 8 - Mon, Feb 9
SIN
Singapore
SFO
San Francisco
$841 Roundtrip, found 5 hours ago
$841
Roundtrip
found 5 hours ago
Select All Nippon Airways flight, departing Sun, Feb 8 from Singapore to San Francisco, returning Mon, Feb 9, priced at $841 found 5 hours ago
Korean Air
Mon, Nov 24 - Fri, Nov 28
SIN
Singapore
SFO
San Francisco
$848 Roundtrip, found 1 hour ago
$848
Roundtrip
found 1 hour ago
Select Korean Air flight, departing Mon, Nov 24 from Singapore to San Francisco, returning Fri, Nov 28, priced at $848 found 1 hour ago
Delta
Wed, Nov 12 - Tue, Nov 25
SIN
Singapore
SFO
San Francisco
$858 Roundtrip, found 5 days ago
$858
Roundtrip
found 5 days ago
Select Delta flight, departing Wed, Nov 12 from Singapore to San Francisco, returning Tue, Nov 25, priced at $858 found 5 days ago

Find the cheapest month to fly from Singapore (SIN) to San Francisco (SFO)

July is typically the cheapest month to fly

From $562 - $885 per traveler.

Graph displaying average flight prices per month

Alternative airports near San Francisco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Norman Y. Mineta San Jose Intl. SJC. Average driving time to city center is 50 minutes. Flights from $1,077
SJC
Norman Y. Mineta San Jose Intl.
Average driving time to city center50 min
Flights from $1,077
0
Flights from Singapore (SIN) to San Francisco (SFO)
Origin airport
Changi
Destination airport
San Francisco Intl.
Airlines serving
Air Canada, Air India, All Nippon Airways, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, EVA Airways, Emirates, Japan Airlines, Korean Air, Lufthansa, Malaysia Airlines, Philippine Airlines, Qatar Airways, STARLUX Airlines, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, Vietnam Airlines
Roundtrip price
$595
Distance
8438 mi

Singapore to San Francisco Flights

The cheapest times to fly from Singapore to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Singapore to San Francisco are during the month of September. You can find some of the cheapest flights from Singapore to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Singapore to San Francisco

Sunday is one of the best days to book for cheap flights from Singapore to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Singapore to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Singapore to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $389 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Singapore to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Singapore to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Changi Airport (SIN) to San Francisco Intl. Airport (SFO) cost?
Secure a cheap one-way flight from $389 or cheap return flight from $596 from Changi Airport (SIN) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
September is the least expensive month to fly from SIN to SFO. Traveling during quieter months is often the key to finding better deals on flights.
Which airlines fly direct from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
When setting off from Changi Airport (SIN), you can hop on a direct flight to San Francisco Intl. Airport (SFO) with United Airlines.
What is the cheapest airline that flies from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
While prices can vary depending on your travel dates, Singapore Airlines and United Airlines are often frequently picked for flights between Changi Airport (SIN) and San Francisco Intl. Airport (SFO). You can also compare airlines on Expedia and use the "Sort by" filter to find the lowest-priced ticket for your SIN to SFO flight.
How many flights per day from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
With, on average, 4 direct flights departing from Changi Airport (SIN) to San Francisco Intl. Airport (SFO) each day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
The 9 AM departures from SIN to SFO are typically the busiest. Greater demand means you'll likely pay more for these departures. If you want to save money, pick a less crowded time to fly.
What day of the week has the most flights from SIN to SFO?
Thursday has the most flights from Changi Airport (SIN) to San Francisco Intl. Airport (SFO). Consider taking off on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
Take the earliest flight at around 9:15AM UTC+8, departing from Changi Airport (SIN). You'll be flying for roughly 14h 35m, arriving at San Francisco Intl. Airport (SFO) at approximately 7:50AM UTC-8.
How long does it take to fly from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
It takes about 14 hours and 43 minutes to cover the 8,400 mi from SIN to SFO.
What is the best time to fly from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
To avoid possible delays on the Changi Airport (SIN) to San Francisco Intl. Airport (SFO) route, aim to fly before 3 PM. Flights after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Francisco from Changi Airport (SIN)?
If you're taking a direct flight from Changi Airport (SIN) to San Francisco, San Francisco Intl. Airport (SFO) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Changi Airport (SIN) to San Francisco Intl. Airport (SFO) last-minute?
Booking your flight from SIN to SFO right before your getaway is generally more expensive. However, if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a SIN to SFO flight and hotel package?
Compared with arranging flights and hotels separately, booking a SIN to SFO flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of stays, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Changi Airport (SIN) to San Francisco Intl. Airport (SFO)?
Typically, it's possible to reschedule or cancel your SIN to SFO flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.