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 133 minutes.

Which airport is the most popular layover for flights between Singapore and San Francisco?

Incheon (ICN) was the most common stop: 28% of momondo users choosing 1-stop flights on this route connected there.

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 51% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 5 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

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

China Southern, Philippine Airlines, and Lufthansa are the most popular carriers operating from Singapore Changi to San Francisco

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

According to our data, Air India have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

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 at night have, in the past, seen delays more frequently in comparison.

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

The number of flights available between Singapore and San Francisco is 16 per week as of October 2025. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.

Which layover airport offers the lowest fares from Singapore to San Francisco?

Flights via Manila (MNL) offer the lowest average round-trip price of $962.

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. Monday has historically seen more delays on average compared to the rest of the week.

Which layover airport has the shortest connection time from Singapore to San Francisco?

Hong Kong (HKG) has the shortest average layover time for this route: 2h 12m.

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

The number of flights available between Singapore and San Francisco is 2 per day as of October 2025. The most frequent departure time is 9:00AM, with 50% of daily flights leaving at noon.

Which layover airport has the shortest travel time from Singapore to San Francisco?

Flights connecting via Tokyo (NRT) have the shortest average one-way travel time: 18h 40m.

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?

As of October 2025, there are 5 operators available to choose from 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.

$424 Cheap Flights from Singapore to San Francisco in 2025/26

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8:50 am - 3:25 pmSIN-SFO

22h 35m2 stops

6:00 pm - 12:55 amSFO-SIN

38h 55m2 stops

$679Air Canada

Find Deal

Thu, Feb 12 - Sun, Feb 15

1:25 am - 9:15 pmSIN-SFO

35h 50m1 stop

9:45 pm - 7:15 pmSFO-SIN

29h 30m1 stop

$680Cathay Pacific

Find Deal

Mon, Nov 17 - Tue, Nov 25

10:20 pm - 2:56 pmSIN-SFO

32h 36m2 stops

10:45 pm - 7:00 amSFO-SIN

40h 15m2 stops

$681Air Canada

Find Deal

Mon, Feb 9 - Mon, Feb 16

8:50 am - 10:39 amSIN-SFO

17h 49m1 stop

7:30 am - 7:00 amSFO-SIN

31h 30m1 stop

$684Air Canada

Find Deal

Thu, Nov 20 - Tue, Nov 25

11:10 pm - 2:00 pmSIN-SFO

30h 50m1 stop

11:50 pm - 9:55 pmSFO-SIN

30h 05m1 stop

$687Asiana Airlines

Find Deal

Sat, Feb 7 - Tue, Feb 17

2:00 am - 6:45 pmSIN-SFO

32h 45m1 stop

11:40 pm - 1:05 pmSFO-SIN

21h 25m1 stop

$706China Airlines

Find Deal

Tue, Dec 16 - Wed, Dec 31

11:10 pm - 2:00 pmSIN-SFO

30h 50m1 stop

11:50 pm - 9:55 pmSFO-SIN

30h 05m1 stop

$731Asiana Airlines

Find Deal

Wed, Jan 14 - Wed, Jan 21

10:10 am - 10:05 amSIN-SFO

14h 55mnonstop

11:35 am - 8:15 pmSFO-SIN

17h 40mnonstop

$740United Airlines

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Thu, Mar 12 - Mon, Mar 16

10:20 pm - 10:15 pmSIN-SFO

14h 55mnonstop

11:40 pm - 8:00 amSFO-SIN

17h 20mnonstop

$742United Airlines

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Thu, Mar 12 - Mon, Mar 16

9:15 am - 7:50 amSIN-SFO

14h 35mnonstop

10:40 am - 7:05 pmSFO-SIN

17h 25mnonstop

$757Singapore Airlines

Find Deal

Thu, Feb 12 - Sat, Mar 14

United Airlines flights from Singapore to San Francisco

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

United Airlines

Mar 12

SIN10:10 amSingapore Changi

14h 55m

SFO10:05 amSan Francisco

Mar 16

SFO11:35 amSan Francisco

17h 40m

SIN8:15 pmSingapore Changi

$740

Find similar

United Airlines

Mar 12

SIN10:20 pmSingapore Changi

14h 55m

SFO10:15 pmSan Francisco

Mar 16

SFO11:40 pmSan Francisco

17h 20m

SIN8:00 amSingapore Changi

$742

Find similar

United Airlines

Nov 19

SIN10:20 pmSingapore Changi

14h 55m

SFO9:15 pmSan Francisco

Nov 25

SFO10:35 pmSan Francisco

17h 25m

SIN8:00 amSingapore Changi

$743

Find similar

Cathay Pacific flights from Singapore to San Francisco

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

Cathay Pacific

Nov 17

SIN1:25 amSingapore Changi

35h 50m

1 stop

SFO9:15 pmSan Francisco

Nov 25

SFO9:45 pmSan Francisco

29h 30m

1 stop

SIN7:15 pmSingapore Changi

$680

Find similar

Cathay Pacific

Feb 15

SIN1:25 amSingapore Changi

30h 55m

1 stop

SFO4:20 pmSan Francisco

Feb 28

SFO9:45 pmSan Francisco

26h 00m

1 stop

SIN3:45 pmSingapore Changi

$688

Find similar

Cathay Pacific

Nov 19

SIN1:25 amSingapore Changi

35h 50m

1 stop

SFO9:15 pmSan Francisco

Nov 24

SFO10:55 pmSan Francisco

28h 20m

1 stop

SIN7:15 pmSingapore Changi

$689

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 2/12

8:50 am-3:25 pm

2 stops22h 35m

San Francisco

Sun 2/15

6:00 pm-12:55 am

2 stops38h 55m

$679

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 11/17

1:25 am-9:15 pm

1 stop35h 50m

San Francisco

Tue 11/25

9:45 pm-7:15 pm

1 stop29h 30m

$680

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/9

10:20 pm-2:56 pm

2 stops32h 36m

San Francisco

Mon 2/16

10:45 pm-7:00 am

2 stops40h 15m

$681

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 11/20

8:50 am-10:39 am

1 stop17h 49m

San Francisco

Tue 11/25

7:30 am-7:00 am

1 stop31h 30m

$684

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 2/7

11:10 pm-2:00 pm

1 stop30h 50m

San Francisco

Tue 2/17

11:50 pm-9:55 pm

1 stop30h 05m

$687

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 12/16

2:00 am-6:45 pm

1 stop32h 45m

San Francisco

Wed 12/31

11:40 pm-1:05 pm

1 stop21h 25m

$706

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 1/14

11:10 pm-2:00 pm

1 stop30h 50m

San Francisco

Wed 1/21

11:50 pm-9:55 pm

1 stop30h 05m

$731

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 3/12

10:10 am-10:05 am

Nonstop14h 55m

San Francisco

Mon 3/16

11:35 am-8:15 pm

Nonstop17h 40m

$740

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 3/12

10:20 pm-10:15 pm

Nonstop14h 55m

San Francisco

Mon 3/16

11:40 pm-8:00 am

Nonstop17h 20m

$742

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 2/12

9:15 am-7:50 am

Nonstop14h 35m

San Francisco

Sat 3/14

10:40 am-7:05 pm

Nonstop17h 25m

$757

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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

Layovers

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 $794.

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 $1,313.

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 $1,169.

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 $874 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 $789 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.

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

As of October 2025, prices for Singapore to San Francisco flights are approximately 4% 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	$432
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 $432. The best round-trip flight deal from Singapore to San Francisco found on momondo in the last 72 hours is $835.

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 near San Francisco: 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 35m.
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?
As of October 2025, there are 5 operators available to choose from 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?
Based on momondo bookings for flights between Singapore and San Francisco, the leading plane model is Boeing 787-9 Dreamliner, making up 54.55% of the total bookings. Other popular models include Airbus A350-900 with 41.56%, Boeing 777-300ER with 3.68%, and Airbus A380-800 with 0.22%.
What is the most popular airline from Singapore to San Francisco?
Based on momondo bookings for flights between Singapore and San Francisco, the leading airline is United Airlines, making up 49% of the total bookings. Other popular airlines include Singapore Airlines with 34%, EVA Air with 8%, and Cathay Pacific with 5%.

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 8,998 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $663	Free Cancellation	Rating 7.6 1,043 reviews	Search Cathay Pacific flights
Singapore Airlines	PriceFrom $739	Free Cancellation	Rating 8.1 1,388 reviews	Search Singapore Airlines flights
China Airlines	PriceFrom $743	Free Cancellation	Rating 8.3 776 reviews	Search China Airlines flights
EVA Air	PriceFrom $820	Free Cancellation	Rating 8.4 1,265 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 8 flights/week on average for this route. A good Singapore Airlines flight deal for Singapore to San Francisco starts from $739 round-trip, up to an average price of $1,064. 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 $871, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,998 user reviews) flies into San Francisco from Singapore 8 times in an average week so prices can vary.

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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.

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Cheap flights from Singapore to San Francisco from $424

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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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 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 $794.

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 $1,313.

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 $1,169.

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?

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.

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

As of October 2025, prices for Singapore to San Francisco flights are approximately 4% cheaper when compared to flights at the same time last year.

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

China Southern, Philippine Airlines, and Lufthansa are the most popular carriers operating from Singapore Changi 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 133 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 at night 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. Monday 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, Air India have had the least number of delays on this route over the last 12 months; with about 8% of their flights experiencing any sort of delay.

Which airport is the most popular layover for flights between Singapore and San Francisco?

Incheon (ICN) was the most common stop: 28% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Singapore to San Francisco?

Flights via Manila (MNL) offer the lowest average round-trip price of $962.

Which layover airport has the shortest travel time from Singapore to San Francisco?

Flights connecting via Tokyo (NRT) have the shortest average one-way travel time: 18h 40m.

Which layover airport has the shortest connection time from Singapore to San Francisco?

Hong Kong (HKG) has the shortest average layover time for this route: 2h 12m.

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

The number of flights available between Singapore and San Francisco is 2 per day as of October 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?

The number of flights available between Singapore and San Francisco is 16 per week as of October 2025. The most frequent departure day is Wed, with 25% of weekly flights leaving on this day.

When to book flights from Singapore to San Francisco

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

Fastest flight time

Direct flights

Airports in San Francisco

How far is Singapore Changi to San Francisco by plane?

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

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?

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?

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

Singapore Airlines Flights From Singapore to San Francisco

United Airlines Flights From Singapore to San Francisco

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