Cheap Flights from San Francisco (SFO) to Singapore (SIN) from HK$2,645~

View HK$2,645 flight on Thu, 29 Jan 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at HK$2,645 for one-way flights and HK$4,998 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 29 Jan - Wed, 11 Feb
SFO
San Francisco
SIN
Singapore
HK$4,998 Return, found 1 day ago
HK$4,998
Return
found 1 day ago
Select United flight, departing Thu, 29 Jan from San Francisco to Singapore, returning Wed, 11 Feb, priced at HK$4,998 found 1 day ago
Korean Air
Mon, 2 Mar - Tue, 10 Mar
SFO
San Francisco
SIN
Singapore
HK$5,134 Return, found 6 days ago
HK$5,134
Return
found 6 days ago
Select Korean Air flight, departing Mon, 2 Mar from San Francisco to Singapore, returning Tue, 10 Mar, priced at HK$5,134 found 6 days ago
Delta
Mon, 2 Mar - Tue, 10 Mar
SFO
San Francisco
SIN
Singapore
HK$5,150 Return, found 6 days ago
HK$5,150
Return
found 6 days ago
Select Delta flight, departing Mon, 2 Mar from San Francisco to Singapore, returning Tue, 10 Mar, priced at HK$5,150 found 6 days ago
Asiana Airlines
Mon, 2 Mar - Tue, 10 Mar
SFO
San Francisco
SIN
Singapore
HK$5,304 Return, found 6 days ago
HK$5,304
Return
found 6 days ago
Select Asiana Airlines flight, departing Mon, 2 Mar from San Francisco to Singapore, returning Tue, 10 Mar, priced at HK$5,304 found 6 days ago
All Nippon Airways
Mon, 12 Jan - Sun, 25 Jan
SFO
San Francisco
SIN
Singapore
HK$5,423 Return, found 2 days ago
HK$5,423
Return
found 2 days ago
Select All Nippon Airways flight, departing Mon, 12 Jan from San Francisco to Singapore, returning Sun, 25 Jan, priced at HK$5,423 found 2 days ago
Air India
Thu, 29 Jan - Wed, 11 Feb
SFO
San Francisco
SIN
Singapore
HK$5,732 Return, found 1 day ago
HK$5,732
Return
found 1 day ago
Select Air India flight, departing Thu, 29 Jan from San Francisco to Singapore, returning Wed, 11 Feb, priced at HK$5,732 found 1 day ago
American Airlines
Mon, 12 Jan - Sun, 25 Jan
SFO
San Francisco
SIN
Singapore
HK$6,387 Return, found 2 days ago
HK$6,387
Return
found 2 days ago
Select American Airlines flight, departing Mon, 12 Jan from San Francisco to Singapore, returning Sun, 25 Jan, priced at HK$6,387 found 2 days ago
Japan Airlines
Mon, 12 Jan - Sun, 25 Jan
SFO
San Francisco
SIN
Singapore
HK$6,507 Return, found 2 days ago
HK$6,507
Return
found 2 days ago
Select Japan Airlines flight, departing Mon, 12 Jan from San Francisco to Singapore, returning Sun, 25 Jan, priced at HK$6,507 found 2 days ago
Cathay Pacific
Mon, 2 Mar - Tue, 10 Mar
SFO
San Francisco
SIN
Singapore
HK$6,616 Return, found 6 days ago
HK$6,616
Return
found 6 days ago
Select Cathay Pacific flight, departing Mon, 2 Mar from San Francisco to Singapore, returning Tue, 10 Mar, priced at HK$6,616 found 6 days ago
Philippine Airlines
Mon, 2 Mar - Tue, 10 Mar
SFO
San Francisco
SIN
Singapore
HK$7,218 Return, found 6 days ago
HK$7,218
Return
found 6 days ago
Select Philippine Airlines flight, departing Mon, 2 Mar from San Francisco to Singapore, returning Tue, 10 Mar, priced at HK$7,218 found 6 days ago

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

September is typically the cheapest month to fly

From HK$4,988 - HK$7,366 per traveller.

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 centre is 18 minutes. Flights from HK$8,660
SIN
Changi
Cheapest
Average driving time to city centre18 min
Flights from HK$8,660

Frequently asked questions

How much is a flight from SFO to Changi Airport (SIN)?
Round-trip tickets from San Francisco Airport to Changi Airport (SIN) start from HK$4,998. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to Changi Airport (SIN)?
Every air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for San Francisco Intl. Airport (SFO) to Singapore Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from SFO to Changi Airport (SIN)?
With a flight distance of 13,600 kilometers between San Francisco and Singapore, this is a long-haul journey. Make sure you drink plenty of water and take a short walk down the aisle every so often.
Which airlines fly direct from SFO to Singapore Airport?
Singapore Airlines (SQ) is a popular option. It operates 60 flights between SFO and Singapore Airport each month. United Airlines (UA) is another popular choice. It offers 60 flights each month. Between these two airlines, you'll be able to find a great deal from San Francisco to Singapore.
Are SFO to SIN flight tickets cheaper when they're purchased at the last minute?
Booking last minute from San Francisco Intl. Airport (SFO) to Changi Airport (SIN) can be hit-or-miss. You may be able to find a bargain, but then again, you could miss out entirely! If you'd prefer to play it safe and start planning early on, Expedia compares flight deals up to a year in advance. Just keep in mind that not all airlines issue their prices so far in advance. Our advice? Check back often as prices are updated frequently.

Travel information

Origin airport
San Francisco Intl.
Destination airport
Changi
Return price
HK$4,998
Distance
13501 km
Average flight time
33 hours 30 mins

Book with confidence

Flights from San Francisco to Singapore

Book cheap flights from San Francisco (SFO) to Singapore (SIN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to Singapore (SIN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to Singapore (SIN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Singapore flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Singapore and things to do in Singapore for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Singapore more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Singapore is HK$2,645 now!

 

Flights from San Francisco to Singapore

Explore a world of travel with Expedia

*Available to Expedia members.