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

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Today's featured flight deals from San Francisco Intl. Airport (SFO) to Singapore Changi Airport (SIN)

Nonstop
Carry-on included
Lower price than typical

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

Prices were available within the past 7 days and start at $339 for one-way flights and $641 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Jan 31 - Thu, Feb 12
SFO
San Francisco
SIN
Singapore
$641 Roundtrip, just found
$641
Roundtrip
just found
Select United flight, departing Sat, Jan 31 from San Francisco to Singapore, returning Thu, Feb 12, priced at $641 just found
Singapore Airlines
Mon, Feb 2 - Tue, Feb 10
SFO
San Francisco
SIN
Singapore
$643 Roundtrip, found 3 hours ago
$643
Roundtrip
found 3 hours ago
Select Singapore Airlines flight, departing Mon, Feb 2 from San Francisco to Singapore, returning Tue, Feb 10, priced at $643 found 3 hours ago
Asiana Airlines
Mon, Apr 6 - Sun, Apr 12
SFO
San Francisco
SIN
Singapore
$673 Roundtrip, just found
$673
Roundtrip
just found
Select Asiana Airlines flight, departing Mon, Apr 6 from San Francisco to Singapore, returning Sun, Apr 12, priced at $673 just found
Korean Air
Wed, Apr 22 - Mon, Apr 27
SFO
San Francisco
SIN
Singapore
$680 Roundtrip, just found
$680
Roundtrip
just found
Select Korean Air flight, departing Wed, Apr 22 from San Francisco to Singapore, returning Mon, Apr 27, priced at $680 just found
Philippine Airlines
Sun, Sep 13 - Mon, Sep 21
SFO
San Francisco
SIN
Singapore
$681 Roundtrip, found 4 hours ago
$681
Roundtrip
found 4 hours ago
Select Philippine Airlines flight, departing Sun, Sep 13 from San Francisco to Singapore, returning Mon, Sep 21, priced at $681 found 4 hours ago
Delta
Sun, Mar 1 - Thu, Mar 5
SFO
San Francisco
SIN
Singapore
$691 Roundtrip, found 2 hours ago
$691
Roundtrip
found 2 hours ago
Select Delta flight, departing Sun, Mar 1 from San Francisco to Singapore, returning Thu, Mar 5, priced at $691 found 2 hours ago
All Nippon Airways
Sun, Jan 25 - Mon, Feb 9
SFO
San Francisco
SIN
Singapore
$692 Roundtrip, found 2 hours ago
$692
Roundtrip
found 2 hours ago
Select All Nippon Airways flight, departing Sun, Jan 25 from San Francisco to Singapore, returning Mon, Feb 9, priced at $692 found 2 hours ago
Air India
Tue, Nov 11 - Tue, Nov 18
SFO
San Francisco
SIN
Singapore
$734 Roundtrip, found 13 hours ago
$734
Roundtrip
found 13 hours ago
Select Air India flight, departing Tue, Nov 11 from San Francisco to Singapore, returning Tue, Nov 18, priced at $734 found 13 hours ago
Air Canada
Thu, Nov 6 - Thu, Nov 20
SFO
San Francisco
SIN
Singapore
$745 Roundtrip, found 2 hours ago
$745
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Thu, Nov 6 from San Francisco to Singapore, returning Thu, Nov 20, priced at $745 found 2 hours ago
Vietnam Airlines
Wed, Apr 22 - Tue, Apr 28
SFO
San Francisco
SIN
Singapore
$791 Roundtrip, found 3 hours ago
$791
Roundtrip
found 3 hours ago
Select Vietnam Airlines flight, departing Wed, Apr 22 from San Francisco to Singapore, returning Tue, Apr 28, priced at $791 found 3 hours ago

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

September is typically the cheapest month to fly

From $638 - $933 per traveler.

Alternative airports near Singapore

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

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $759
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $759
Flights from San Francisco (SFO) to Singapore (SIN)
Origin airport
San Francisco Intl.
Destination airport
Changi
Airlines serving
Air Canada, Air India, Alaska Airlines, All Nippon Airways, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Emirates, Japan Airlines, Korean Air, Lufthansa, Malaysia Airlines, Philippine Airlines, Qantas Airways, Qatar Airways, STARLUX Airlines, Singapore Airlines, Turkish Airlines, United
Roundtrip price
$640
Distance
8438 mi
Average flight time
32 hours 26 mins

San Francisco to Singapore Flights

The cheapest times to fly from San Francisco to Singapore

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 San Francisco to Singapore are during the month of January. You can find some of the cheapest flights from San Francisco to Singapore with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from San Francisco to Singapore: 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 San Francisco to Singapore

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 San Francisco to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $339 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 San Francisco to Singapore 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 San Francisco to Singapore 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 San Francisco Intl. Airport (SFO) to Changi Airport (SIN) cost?
Snag a cheap one-way flight from $339 or cheap return flight from $641 from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
January is the cheapest month to fly from SFO to SIN. Planning your trip for the off-season is often the key to finding a great deal.
Which airlines fly direct from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
You can travel nonstop from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) on a United Airlines flight.
What is the cheapest airline that flies from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
The cheapest airline to offer flights between San Francisco Intl. Airport (SFO) and Changi Airport (SIN) will vary based on when you plan to fly. Singapore Airlines and United Airlines are just some of your options offering reasonable prices. Use Expedia's filter tool to compare airlines in one place and find the right SFO to SIN flight that fits your budget.
How many flights per day from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
Daily, an average of 4 nonstop flights operate from San Francisco Intl. Airport (SFO) to Changi Airport (SIN). Choose the departure that best fits your itinerary.
What are the most popular departure times for flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
Flights between SFO and SIN are busiest at 9 AM. For a more relaxed trip and possibly cheaper tickets, choose a time when demand is lower.
What day of the week has the most flights from SFO to SIN?
Fly on a Saturday if you're looking for the best selection of flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN).
What is the earliest flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
The first flight of the day jetting off from San Francisco Intl. Airport (SFO) is at around 9:40AM UTC-8. Board this flight and you'll land at Changi Airport (SIN) at approximately 7:05PM UTC+8. The entire trip takes 17h 25m.
How long does it take to fly from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
The average flight time from SFO to SIN is 17 hours and 27 minutes, covering a total distance of 8,400 mi.
What airline has the least delays from SFO to SIN?
Consider traveling with United Airlines if you'd like to go straight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) without any holdups. This airline has the strongest track record for punctuality, with an on-time performance of 80%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
To avoid possible delays on the San Francisco Intl. Airport (SFO) to Changi Airport (SIN) route, fly before 3 PM. Departures after this hour 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 Singapore from San Francisco Intl. Airport (SFO)?
Compare your flight options from San Francisco Intl. Airport (SFO) to Changi Airport (SIN). This is the only airport in Singapore you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) last-minute?
Booking your flight from SFO to SIN right before your getaway is generally more expensive. But if you're flexible with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SFO to SIN flight and hotel package?
You can save money by booking a SFO to SIN flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred flights and accommodations, you can add extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
If you booked your SFO to SIN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.