What is the cheapest airline that flies from Singapore to San Francisco?

United Airlines is the most popular carrier operating from Singapore to San Francisco

Which airline has the best punctuality record on Singapore to San Francisco flights?

According to our data, Singapore Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

How often are flights from Singapore to San Francisco delayed?

Historically, on average around 18% of flights between Singapore and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What is the most punctual flight time for Singapore to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What airlines fly to San Francisco?

United Airlines, Singapore Airlines and EVA Air are the top three most popular airlines that fly to San Francisco from Singapore according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

How many flights depart from Singapore to San Francisco on average per day?

The number of flights available between Singapore and San Francisco is 4 per day as of December 2025. The most frequent departure time is 9:00AM, with 50% of daily flights leaving at noon.

How many flights depart from Singapore to San Francisco on average per week?

As of December 2025, 28 flights take off from Singapore and land in San Francisco each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

Prices for flights from Singapore to San Francisco Airport were last updated today.

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

As of December 2025, there are 4 operators available to choose from for flights from Singapore to San Francisco Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore 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.

$421 Cheap Flights from Singapore to San Francisco in 2025/26

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10:10 am - 9:00 am

SIN

SFO

14h 50mnonstop

10:35 am - 8:15 pm

SFO

SIN

17h 40mnonstop

$675United Airlines

Fri, Dec 26 - Sun, Jan 11

10:20 pm - 9:15 pm

SIN

SFO

14h 55mnonstop

10:35 am - 8:15 pm

SFO

SIN

17h 40mnonstop

$676United Airlines

Fri, Dec 26 - Sun, Jan 11

10:20 pm - 9:15 pm

SIN

SFO

14h 55mnonstop

10:35 pm - 8:00 am

SFO

SIN

17h 25mnonstop

$677United Airlines

Fri, Feb 6 - Thu, Feb 19

7:40 am - 9:00 pm

SIN

SFO

29h 20m1 stop

10:55 pm - 8:10 pm

SFO

SIN

29h 15m1 stop

$678Cathay Pacific

Sat, Jan 24 - Sat, Jan 31

12:55 pm - 5:20 pm

SIN

SFO

19h 25m1 stop

12:25 pm - 12:25 am

SFO

SIN

21h 00m1 stop

$680Cathay Pacific

Wed, Mar 11 - Wed, Mar 18

7:40 am - 9:00 pm

SIN

SFO

29h 20m1 stop

11:25 am - 5:40 am

SFO

SIN

26h 15m1 stop

$681Cathay Pacific

Mon, Jan 26 - Mon, Feb 2

10:00 am - 9:00 pm

SIN

SFO

27h 00m1 stop

10:55 pm - 4:50 pm

SFO

SIN

25h 55m1 stop

$685Cathay Pacific

Mon, Jan 26 - Mon, Feb 2

8:15 pm - 9:15 pm

SIN

SFO

17h 00m1 stop

11:25 am - 12:25 am

SFO

SIN

21h 00m1 stop

$689Cathay Pacific

Thu, Feb 12 - Mon, Feb 16

12:55 pm - 9:15 pm

SIN

SFO

24h 20m1 stop

10:55 pm - 7:15 pm

SFO

SIN

28h 20m1 stop

$690Cathay Pacific

Thu, Feb 12 - Mon, Feb 16

8:15 pm - 9:00 pm

SIN

SFO

16h 45m1 stop

10:55 pm - 7:15 pm

SFO

SIN

28h 20m1 stop

$699Cathay Pacific

Mon, Dec 22 - Sun, Jan 18

United Airlines flights from Singapore to San Francisco

Our best United Airlines deals on Singapore to San Francisco flight tickets

United Airlines

Dec 26

SIN10:10 amSingapore Changi

14h 50m

SFO9:00 amSan Francisco

Jan 11

SFO10:35 amSan Francisco

17h 40m

SIN8:15 pmSingapore Changi

$675

Find similar

United Airlines

Dec 26

SIN10:20 pmSingapore Changi

14h 55m

SFO9:15 pmSan Francisco

Jan 11

SFO10:35 amSan Francisco

17h 40m

SIN8:15 pmSingapore Changi

$676

Find similar

United Airlines

Dec 26

SIN10:20 pmSingapore Changi

14h 55m

SFO9:15 pmSan Francisco

Jan 11

SFO10:35 pmSan Francisco

17h 25m

SIN8:00 amSingapore Changi

$677

Find similar

Cathay Pacific flights from Singapore to San Francisco

Our best Cathay Pacific deals on Singapore to San Francisco flight tickets

Cathay Pacific

Jan 24

SIN7:40 amSingapore Changi

29h 20m

1 stop

SFO9:00 pmSan Francisco

Jan 31

SFO10:55 pmSan Francisco

29h 15m

1 stop

SIN8:10 pmSingapore Changi

$678

Find similar

Cathay Pacific

Mar 19

SIN7:40 amSingapore Changi

29h 35m

1 stop

SFO10:15 pmSan Francisco

Apr 17

SFO12:55 pmSan Francisco

20h 55m

1 stop

SIN12:50 amSingapore Changi

$679

Find similar

Cathay Pacific

Mar 11

SIN12:55 pmSingapore Changi

19h 25m

1 stop

SFO5:20 pmSan Francisco

Mar 18

SFO12:25 pmSan Francisco

21h 00m

1 stop

SIN12:25 amSingapore Changi

$680

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 12/26

10:10 am-9:00 am

Nonstop14h 50m

San Francisco

Sun 1/11

10:35 am-8:15 pm

Nonstop17h 40m

$675

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 12/26

10:20 pm-9:15 pm

Nonstop14h 55m

San Francisco

Sun 1/11

10:35 am-8:15 pm

Nonstop17h 40m

$676

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 2/6

10:20 pm-9:15 pm

Nonstop14h 55m

San Francisco

Thu 2/19

10:35 pm-8:00 am

Nonstop17h 25m

$677

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 1/24

7:40 am-9:00 pm

1 stop29h 20m

San Francisco

Sat 1/31

10:55 pm-8:10 pm

1 stop29h 15m

$678

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 3/11

12:55 pm-5:20 pm

1 stop19h 25m

San Francisco

Wed 3/18

12:25 pm-12:25 am

1 stop21h 00m

$680

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 1/26

7:40 am-9:00 pm

1 stop29h 20m

San Francisco

Mon 2/2

11:25 am-5:40 am

1 stop26h 15m

$681

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 1/26

10:00 am-9:00 pm

1 stop27h 00m

San Francisco

Mon 2/2

10:55 pm-4:50 pm

1 stop25h 55m

$685

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 2/12

8:15 pm-9:15 pm

1 stop17h 00m

San Francisco

Mon 2/16

11:25 am-12:25 am

1 stop21h 00m

$689

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 2/12

12:55 pm-9:15 pm

1 stop24h 20m

San Francisco

Mon 2/16

10:55 pm-7:15 pm

1 stop28h 20m

$690

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 12/22

8:15 pm-9:00 pm

1 stop16h 45m

San Francisco

Sun 1/18

10:55 pm-7:15 pm

1 stop28h 20m

$699

Flights are sorted by cheapest round-trip flights first.

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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

Prices

Airlines

Delays

Other information

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 Thursday when prices can be found for as low as $1,095. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,316.

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 $1,182.

What is the cheapest Singapore to San Francisco flight route?

Fly from Singapore Changi to San Francisco for the best Singapore - 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 $851 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 to San Francisco flights?

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

Cheap Singapore to San Francisco flight deals and tips

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

Best Price Found	$518
Fastest flight time	14h 35m
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 $518. The best round-trip flight deal from Singapore to San Francisco found on momondo in the last 72 hours is $844.

The fastest flight from Singapore to San Francisco takes 14h 35m

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

When did momondo last update prices for flights from Singapore to San Francisco Airport?
Prices for flights from Singapore to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Singapore to San Francisco Airport?
As of December 2025, there are 4 operators available to choose from for flights from Singapore to San Francisco Airport.
How old do you have to be to fly from Singapore to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Singapore 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Singapore to San Francisco is Boeing 787-9 Dreamliner (53.57% of total bookings). The next most popular plane models are Airbus A350-900 (41.48%), Boeing 777-300ER (4.67%), and Airbus A380-800 (0.27%).

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 Airlines	PriceFrom $598	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $663	Free Cancellation	Rating 7.6 1,093 reviews	Search Cathay Pacific flights
Singapore Airlines	PriceFrom $668	Free Cancellation	Rating 8.1 1,412 reviews	Search Singapore Airlines flights
EVA Air	PriceFrom $820	Free Cancellation	Rating 8.4 1,296 reviews	Search EVA Air flights

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Why use momondo?

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

It is quick and easy to find Singapore to San Francisco flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Francisco that suits you.

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

momondo does allow users to show only those flights to San Francisco from Singapore which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Singapore to San Francisco.

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

Price alerts on flights to San Francisco from Singapore are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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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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Cheap flights from Singapore to San Francisco from $421

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 1/26. 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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Find the cheapest flights from Singapore to San Francisco

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United Airlines flights from Singapore to San Francisco

Our best United Airlines deals on Singapore to San Francisco flight tickets

Cathay Pacific flights from Singapore to San Francisco

Our best Cathay Pacific deals on Singapore to San Francisco flight tickets

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Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from Singapore to 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 Thursday when prices can be found for as low as $1,095. The most expensive day to fly to San Francisco is Saturday, with ticket prices averaging around $1,316.

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 $1,182.

What is the cheapest Singapore to San Francisco flight route?

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

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

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

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

What is the cheapest airline that flies from Singapore to San Francisco?

United Airlines is the most popular carrier operating from Singapore to San Francisco

What airlines fly to San Francisco?

How often are flights from Singapore to San Francisco delayed?

Historically, on average around 18% of flights between Singapore and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 126 minutes.

What is the most punctual flight time for Singapore to San Francisco flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Singapore to San Francisco flights?

According to our data, Singapore Airlines have had the least number of delays on this route over the last 12 months; with about 15% of their flights experiencing any sort of delay.

How many flights depart from Singapore to San Francisco on average per day?

The number of flights available between Singapore and San Francisco is 4 per day as of December 2025. The most frequent departure time is 9:00AM, with 50% of daily flights leaving at noon.

How many flights depart from Singapore to San Francisco on average per week?

As of December 2025, 28 flights take off from Singapore and land in San Francisco each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Cheap Singapore to San Francisco flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in San Francisco

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

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

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

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

What is the most popular plane model 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

Traveling to a place near San Francisco?

Why use momondo?

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

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

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

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

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California