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Cheap flights from Singapore to San Francisco from $425

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Singapore to San Francisco departing on 1/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Singapore to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
10:20 pm - 9:15 pm
SIN
-
SFO
14h 55mnonstop
United Airlines Logo
10:35 am - 8:15 pm
SFO
-
SIN
17h 40mnonstop
$679United Airlines
Tue, Jan 27 - Wed, Jan 28
United Airlines Logo
10:20 pm - 9:15 pm
SIN
-
SFO
14h 55mnonstop
United Airlines Logo
10:35 pm - 8:00 am
SFO
-
SIN
17h 25mnonstop
$680United Airlines
Mon, Feb 9 - Mon, Feb 16
Cathay Pacific Logo
12:55 pm - 4:20 pm
SIN
-
SFO
19h 25m1 stop
Cathay Pacific Logo
10:55 pm - 1:05 pm
SFO
-
SIN
22h 10m1 stop
$681Cathay Pacific
Mon, Feb 2 - Sun, Feb 8
United Airlines Logo
10:10 am - 9:00 am
SIN
-
SFO
14h 50mnonstop
United Airlines Logo
10:35 am - 8:15 pm
SFO
-
SIN
17h 40mnonstop
$682United Airlines
Mon, Jan 26 - Wed, Feb 11
United Airlines Logo
10:20 pm - 9:15 pm
SIN
-
SFO
14h 55mnonstop
United Airlines Logo
10:35 am - 8:15 pm
SFO
-
SIN
17h 40mnonstop
$683United Airlines
Tue, Jan 27 - Wed, Jan 28
Cathay Pacific Logo
10:00 am - 9:15 pm
SIN
-
SFO
27h 15m1 stop
Cathay Pacific Logo
9:45 pm - 4:50 pm
SFO
-
SIN
27h 05m1 stop
$684Cathay Pacific
Sat, Feb 14 - Sat, Feb 21
Cathay Pacific Logo
7:40 am - 9:15 pm
SIN
-
SFO
29h 35m1 stop
Cathay Pacific Logo
11:25 am - 12:25 am
SFO
-
SIN
21h 00m1 stop
$688Cathay Pacific
Mon, Feb 9 - Mon, Feb 16
Cathay Pacific Logo
2:05 pm - 10:15 pm
SIN
-
SFO
23h 10m1 stop
Cathay Pacific Logo
12:20 am - 12:25 pm
SFO
-
SIN
21h 05m1 stop
$690Cathay Pacific
Mon, Mar 23 - Fri, Apr 17
Cathay Pacific Logo
2:05 pm - 9:15 pm
SIN
-
SFO
23h 10m1 stop
Cathay Pacific Logo
11:55 pm - 1:05 pm
SFO
-
SIN
22h 10m1 stop
$692Cathay Pacific
Wed, Feb 25 - Mon, Mar 9
Cathay Pacific Logo
4:45 pm - 9:00 pm
SIN
-
SFO
20h 15m1 stop
Cathay Pacific Logo
9:45 pm - 8:10 pm
SFO
-
SIN
30h 25m1 stop
$694Cathay Pacific
Thu, Jan 29 - Mon, Feb 2

Cathay Pacific flights from Singapore to San Francisco

Our best Cathay Pacific deals on Singapore to San Francisco flight tickets
Cathay Pacific
Feb 2
SIN12:55 pmSingapore Changi
19h 25m
1 stop
SFO4:20 pmSan Francisco
Feb 8
SFO10:55 pmSan Francisco
22h 10m
1 stop
SIN1:05 pmSingapore Changi
$681
Find similar
Cathay Pacific
Feb 14
SIN10:00 amSingapore Changi
27h 15m
1 stop
SFO9:15 pmSan Francisco
Feb 21
SFO9:45 pmSan Francisco
27h 05m
1 stop
SIN4:50 pmSingapore Changi
$684
Find similar
Cathay Pacific
Feb 9
SIN7:40 amSingapore Changi
29h 35m
1 stop
SFO9:15 pmSan Francisco
Feb 16
SFO11:25 amSan Francisco
21h 00m
1 stop
SIN12:25 amSingapore Changi
$688
Find similar

United Airlines flights from Singapore to San Francisco

Our best United Airlines deals on Singapore to San Francisco flight tickets
United Airlines
Jan 27
SIN10:20 pmSingapore Changi
14h 55m
SFO9:15 pmSan Francisco
Jan 28
SFO10:35 amSan Francisco
17h 40m
SIN8:15 pmSingapore Changi
$679
Find similar
United Airlines
Feb 9
SIN10:20 pmSingapore Changi
14h 55m
SFO9:15 pmSan Francisco
Feb 16
SFO10:35 pmSan Francisco
17h 25m
SIN8:00 amSingapore Changi
$680
Find similar
United Airlines
Dec 29
SIN10:20 pmSingapore Changi
14h 55m
SFO9:15 pmSan Francisco
Jan 12
SFO10:35 amSan Francisco
17h 40m
SIN8:15 pmSingapore Changi
$682
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Singapore to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 1/27

10:20 pm-9:15 pm

Nonstop14h 55m

San Francisco

Wed 1/28

10:35 am-8:15 pm

Nonstop17h 40m

$679

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/9

10:20 pm-9:15 pm

Nonstop14h 55m

San Francisco

Mon 2/16

10:35 pm-8:00 am

Nonstop17h 25m

$680

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/2

12:55 pm-4:20 pm

1 stop19h 25m

San Francisco

Sun 2/8

10:55 pm-1:05 pm

1 stop22h 10m

$681

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 1/26

10:10 am-9:00 am

Nonstop14h 50m

San Francisco

Wed 2/11

10:35 am-8:15 pm

Nonstop17h 40m

$682

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 1/27

10:20 pm-9:15 pm

Nonstop14h 55m

San Francisco

Wed 1/28

10:35 am-8:15 pm

Nonstop17h 40m

$683

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 2/14

10:00 am-9:15 pm

1 stop27h 15m

San Francisco

Sat 2/21

9:45 pm-4:50 pm

1 stop27h 05m

$684

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/9

7:40 am-9:15 pm

1 stop29h 35m

San Francisco

Mon 2/16

11:25 am-12:25 am

1 stop21h 00m

$688

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 3/23

2:05 pm-10:15 pm

1 stop23h 10m

San Francisco

Fri 4/17

12:20 am-12:25 pm

1 stop21h 05m

$690

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 2/25

2:05 pm-9:15 pm

1 stop23h 10m

San Francisco

Mon 3/9

11:55 pm-1:05 pm

1 stop22h 10m

$692

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 1/29

4:45 pm-9:00 pm

1 stop20h 15m

San Francisco

Mon 2/2

9:45 pm-8:10 pm

1 stop30h 25m

$694

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Singapore to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Singapore and San Francisco?

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of February, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $767.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Singapore to San Francisco is on a Friday when prices can be found for as low as $1,091. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,278.

What is the cheapest time of day to depart on your flight to San Francisco?

Our data shows that the cheapest Singapore to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $866. Flights in the evening are often more expensive with an average ticket price of $1,183.

What is the cheapest Singapore Changi to San Francisco flight route?

Fly from Singapore Changi to San Francisco for the best Singapore Changi - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $849 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Singapore for as low as $756 on momondo.

What cabin class options are available on Singapore Changi to San Francisco flights?

There are 3 cabin classes available to choose from on Singapore Changi to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Singapore to San Francisco flights?

No. A direct flight is the cheapest option for a flight between Singapore to San Francisco.

How have Singapore to San Francisco flight prices changed over time?

As of December 2025, prices for Singapore to San Francisco flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Singapore to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Singapore to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Singapore to San Francisco (SIN to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Singapore to San Francisco

Best Price Found

$520

Fastest flight time

14h 50m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Singapore in the past 72 hours is $520. The best round-trip flight deal from Singapore to San Francisco found on momondo in the last 72 hours is $852.
The fastest flight from Singapore to San Francisco takes 14h 50m
Direct flights go from Singapore to San Francisco every day.
There is 1 airport in San Francisco. From Singapore there are direct flights to San Francisco (SFO).
Search flight deals

  • How far is Singapore Changi to San Francisco by plane?

    The distance between Singapore Changi and San Francisco is about 8434.6 mi. A reasonable flight in good conditions will take 14h 50m.

  • When did momondo last update prices for flights from Singapore Changi Airport to San Francisco Airport?

    Prices for flights from Singapore Changi Airport to San Francisco Airport are updated daily.

  • How many operators does momondo search for flights from Singapore Changi Airport to San Francisco Airport?

  • How old do you have to be to fly from Singapore Changi Airport to San Francisco Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Singapore Changi Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Singapore to San Francisco?

  • What is the most popular airline from Singapore to San Francisco?

Best airlines flying from Singapore to San Francisco

Compare and see reviews for airlines that fly from Singapore to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,117 reviews
Search United Airlines flights
Singapore AirlinesPriceFrom $648Free CancellationRating
8.1
1,421 reviews
Search Singapore Airlines flights
Cathay PacificPriceFrom $663Free CancellationRating
7.6
1,106 reviews
Search Cathay Pacific flights
EVA AirPriceFrom $820Free CancellationRating
8.5
1,303 reviews
Search EVA Air flights

  • Singapore Airlines Flights From Singapore to San Francisco

    Singapore Airlines is one of the most popular airlines flying from Singapore to San Francisco, operating 14 flights/week on average for this route. A good Singapore Airlines flight deal for Singapore to San Francisco starts from $648 round-trip, up to an average price of $1,047. Our users have rated Singapore Airlines at 8.1/10.

  • United Airlines Flights From Singapore to San Francisco

    $598 is the best United Airlines flight deal from Singapore to San Francisco found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $856, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 9,117 user reviews) flies into San Francisco from Singapore 14 times in an average week so prices can vary.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Walnut Creek
Berkeley
Daly City
Fremont
Half Moon Bay
Vallejo
Livermore
Salinas
Sunnyvale
Pacifica

Why use momondo?

Why should I use momondo to find a flight deal from Singapore to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Singapore.

Can I find flights from Singapore to San Francisco with flexible booking policies on momondo?

Yes. All flights to San Francisco from Singapore on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Singapore to San Francisco?

momondo helps you find the best flight between Singapore and San Francisco by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Singapore to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Singapore to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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