How often are flights from San Francisco to Singapore delayed?

About 17% of weekly flights between San Francisco and Singapore have experienced delays in the past year, with the average delay time being 129 minutes. Find deals

What’s the top stopover airport for flights from San Francisco to Singapore?

Incheon (ICN) – chosen by Cheapflights users on 33% of one-stop itineraries from San Francisco to Singapore on Cheapflights. Find deals

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often. Find deals

Which airport typically offers the quickest stopover for flights from San Francisco to Singapore?

Flights via Tokyo (NRT) offer the fastest connection on this route, with an average stopover time of 2h 45m. Find deals

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

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, Vistara have had the lowest number of delays on this route, with just 7% of flights being delayed.

What’s the fastest stopover option from San Francisco to Singapore?

Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 20h 30m.

What’s the cheapest stopover airport for flights from San Francisco to Singapore?

Manila (MNL) is the most affordable one-stop option, with an average return flight price of S$ 803.

How popular is this San Francisco to Singapore flight route?

The San Francisco to Singapore Changi flight path was viewed by 27 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Francisco to Singapore?

Departing from San Francisco to Singapore will take you 17h 40m. San Francisco and Singapore are separated by a distance of 13572 km. All flights are typically direct.

What are the cheapest airlines flying from San Francisco to Singapore round-trip?

According to our current data, United Airlines (S$ 975), and Singapore Airlines (S$ 1,027) offers the cheapest pricing from San Francisco to Singapore. United Airlines is 19% cheaper than the average price of flights available within the next 90 days to this destination.

Weekly flight availability from San Francisco to Singapore

The most flights from SFO to SIN are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

What are the cheapest flights from San Francisco to Singapore?

The cheapest flight price from San Francisco to Singapore is S$ 441. On average you can expect to pay S$ 903. The most popular route, (San Francisco - Singapore Changi), can usually be booked for S$ 687.

What airports do I use to fly from San Francisco to Singapore?

Singapore Changi is the airport most travellers will use when flying to Singapore from San Francisco. Booking flights from San Francisco (SFO) to Changi (SIN) should be relatively easy as there are 4 daily flights to Singapore from 2 different airlines. 16h 35m is how long a flight from San Francisco to Singapore Changi will take if you book a nonstop flight.

Can I find deals for flights from San Francisco to Singapore that include hotel bookings?

Yes. In addition to deals on San Francisco to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from San Francisco to Singapore?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Singapore.

Can I find deals for business class flights from San Francisco to Singapore?

Yes. Cheapflights offers flight deals from San Francisco to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

S$ 445+ Flights from San Francisco to Singapore

Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in September or October, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Find flight deals from San Francisco to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Singapore
Explore the most affordable flight options available from San Francisco to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Thu 27-1110:50SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 26-1222:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 19-10S$ 829

Wed 3-1211:40SFO - SIN

1 stop25h 20mKorean Air

Wed 10-1222:30SIN - SFO

1 stop27h 00mKorean Air

Deal found 19-10S$ 846

Mon 10-1122:50SFO - SIN

1 stop28h 15mAir India

Mon 24-1123:00SIN - SFO

1 stop30h 00mAir India

Deal found 19-10S$ 864

Wed 29-1023:50SFO - SIN

1 stop42h 25mAir India

Mon 3-1119:40SIN - SFO

1 stop41h 10mAir India

Deal found 19-10S$ 867

Sun 19-1022:25SFO - SIN

2 stops29h 05mAir India

Wed 29-1023:00SIN - SFO

1 stop29h 00mAir India

Deal found 19-10S$ 871

Wed 3-1223:50SFO - SIN

1 stop30h 05mAsiana Airlines

Tue 9-1223:10SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 19-10S$ 873

Tue 18-1111:40SFO - SIN

1 stop25h 20mKorean Air

Mon 24-1101:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 19-10S$ 877

Mon 10-1111:40SFO - SIN

1 stop25h 20mKorean Air

Thu 20-1101:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 19-10S$ 881

Best flights from San Francisco to Singapore
Discover carefully curated flight deals from San Francisco to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 October 2025.

Wed 7-110:35SFO - SIN

Nonstop17h 40mUnited Airlines

Fri 23-110:10SIN - SFO

Nonstop14h 50mUnited Airlines

Deal found 19-10S$ 982

Tue 2-1211:40SFO - SIN

1 stop25h 20mDelta

Tue 9-1201:35SIN - SFO

2 stops27h 24mDelta

Deal found 20-10S$ 1,083

Thu 27-1111:40SFO - SIN

1 stop25h 20mKorean Air

Sat 13-1201:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 19-10S$ 1,084

Thu 23-1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 5-1122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 20-10S$ 983

Wed 3-1211:40SFO - SIN

1 stop25h 20mDelta

Tue 9-1201:35SIN - SFO

2 stops27h 24mDelta

Deal found 19-10S$ 1,083

Tue 6-110:35SFO - SIN

Nonstop17h 40mUnited Airlines

Thu 22-110:45SIN - SFO

1 stop20h 35mUnited Airlines

Deal found 19-10S$ 995

Wed 29-1011:40SFO - SIN

1 stop22h 15mUnited Airlines

Mon 3-1110:10SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 19-10S$ 999

Fri 9-122:59SFO - SIN

2 stops63h 56mUnited Airlines

Wed 21-110:45SIN - SFO

2 stops28h 27mUnited Airlines

Deal found 19-10S$ 1,011

Sun 30-1122:35SFO - SIN

Nonstop17h 25mUnited Airlines

Sat 6-1222:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 20-10S$ 1,047

Mon 17-1111:00SFO - SIN

1 stop21h 55mUnited Airlines

Wed 14-122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 19-10S$ 1,150

Direct flights from San Francisco to Singapore
Explore direct flight options from San Francisco to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 October 2025.

Thu 27-1110:50SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 26-1222:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 19-10S$ 829

Sun 4-109:40SFO - SIN

Nonstop17h 25mSingapore Airlines

Fri 30-109:15SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 19-10S$ 910

Sun 4-109:40SFO - SIN

Nonstop17h 25mSingapore Airlines

Thu 29-109:15SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 19-10S$ 949

Tue 25-1109:40SFO - SIN

Nonstop17h 25mSingapore Airlines

Tue 9-1209:15SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 20-10S$ 974

Mon 10-1122:35SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 21-1110:10SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 19-10S$ 982

Thu 23-1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 5-1122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 20-10S$ 983

Sun 4-109:40SFO - SIN

Nonstop17h 25mSingapore Airlines

Mon 2-209:15SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 20-10S$ 1,002

Thu 8-110:35SFO - SIN

Nonstop17h 40mUnited Airlines

Fri 23-122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 19-10S$ 1,020

Fri 24-1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Tue 4-1110:10SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 19-10S$ 1,047

Tue 25-1109:40SFO - SIN

Nonstop17h 25mSingapore Airlines

Wed 10-1209:15SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 20-10S$ 1,051

Mon 10-1109:40SFO - SIN

Nonstop17h 25mSingapore Airlines

Thu 27-1109:15SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 19-10S$ 1,052

Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 21 October 2025 and is based on user searches.

Wed 29-1023:50SFO - SIN

1 stop42h 25mAir India

Mon 3-1119:40SIN - SFO

1 stop41h 10mAir India

Deal found 19-10S$ 867

Thu 30-1013:00SFO - SIN

2 stops31h 40mChina Eastern

Sun 2-1100:25SIN - SFO

1 stop24h 35mChina Eastern

Deal found 20-10S$ 890

Sun 9-1115:35SFO - SIN

2 stops40h 35mKorean Air

Mon 17-1101:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 20-10S$ 888

Mon 10-1122:50SFO - SIN

1 stop28h 15mAir India

Mon 24-1123:00SIN - SFO

1 stop30h 00mAir India

Deal found 19-10S$ 864

Mon 10-1111:40SFO - SIN

1 stop25h 20mKorean Air

Tue 18-1101:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 19-10S$ 881

Mon 10-1112:00SFO - SIN

1 stop42h 00mChina Eastern

Sun 23-1100:25SIN - SFO

1 stop24h 35mChina Eastern

Deal found 19-10S$ 889

Thu 13-1112:00SFO - SIN

2 stops31h 40mChina Eastern

Fri 21-1112:40SIN - SFO

2 stops36h 20mChina Eastern

Deal found 20-10S$ 893

Tue 18-1111:40SFO - SIN

1 stop25h 20mKorean Air

Mon 24-1101:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 19-10S$ 877

Thu 27-1110:50SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 26-1222:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 19-10S$ 829

One-way flights from San Francisco to Singapore
Search for one-way flight options from San Francisco to Singapore. Find affordable one-way fares based on user searches. Data last updated 21 October 2025.

Sun 18-110:52SFO - SIN

2 stops28h 03mANA

Deal found 20-10S$ 445

Thu 27-1111:40SFO - SIN

1 stop25h 20mKorean Air

Deal found 19-10S$ 446

Sat 6-1223:50SFO - SIN

1 stop30h 05mAsiana Airlines

Deal found 19-10S$ 449

Wed 26-1111:40SFO - SIN

1 stop25h 20mKorean Air

Deal found 20-10S$ 450

Tue 4-1122:50SFO - SIN

2 stops28h 15mAir India

Deal found 19-10S$ 452

Tue 25-1106:00SFO - SIN

2 stops31h 00mDelta

Deal found 19-10S$ 453

Wed 26-1106:00SFO - SIN

2 stops31h 00mDelta

Deal found 19-10S$ 454

Sun 23-1115:35SFO - SIN

2 stops45h 25mKorean Air

Deal found 19-10S$ 461

Wed 29-1023:50SFO - SIN

1 stop42h 25mAir India

Deal found 20-10S$ 462

Mon 8-1223:35SFO - SIN

3 stops44h 35mMultiple Airlines

Deal found 20-10S$ 465

Cheap flight deals from San Francisco to Singapore

Round-trip from	S$ 823
One-way from	S$ 445
Popular in	December
Cheapest in	September
Average price	S$ 982
Good one-way deal	S$ 871 or less

ANA
19-1-4-2
3 total stops
52h 20m total
San Francisco to Singapore

Search Deals

ANA
18-1
2 total stops
28h 03m total
San Francisco to Singapore

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (S$ 275 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (S$ 86 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Price to beat on a one-way flight from San Francisco to Singapore Changi.

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 7-1

10:35-20:15

Nonstop17h 40m

Singapore Changi

Fri 23-1

10:10-09:00

Nonstop14h 50m

S$ 982

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 23-10

10:45-18:25

Nonstop16h 40m

Singapore Changi

Wed 5-11

22:20-21:15

Nonstop14h 55m

S$ 983

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 6-1

10:35-20:15

Nonstop17h 40m

Singapore Changi

Thu 22-1

10:45-15:20

1 stop20h 35m

S$ 995

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 29-10

11:40-00:55

1 stop22h 15m

Singapore Changi

Mon 3-11

10:10-09:15

Nonstop15h 05m

S$ 999

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 9-1

22:59-06:55

2 stops63h 56m

Singapore Changi

Wed 21-1

10:45-23:12

2 stops28h 27m

S$ 1,011

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 30-11

22:35-08:00

Nonstop17h 25m

Singapore Changi

Sat 6-12

22:20-21:15

Nonstop14h 55m

S$ 1,047

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 2-12

11:40-05:00

1 stop25h 20m

Singapore Changi

Tue 9-12

01:35-12:59

2 stops27h 24m

S$ 1,083

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 3-12

11:40-05:00

1 stop25h 20m

Singapore Changi

Tue 9-12

01:35-12:59

2 stops27h 24m

S$ 1,083

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 27-11

11:40-05:00

1 stop25h 20m

Singapore Changi

Sat 13-12

01:35-09:30

1 stop23h 55m

S$ 1,084

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 17-11

11:00-00:55

1 stop21h 55m

Singapore Changi

Wed 14-1

22:20-21:15

Nonstop14h 55m

S$ 1,150

Flights are sorted by cheapest return flights first.

Deals found on 19-10

Showing 1-10 of 21 results

Best time to book a flight from San Francisco to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from San Francisco with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Singapore

Prices

Airlines

Delays

How far ahead should I book a flight from San Francisco to Singapore?

The best time to book flights from San Francisco to Singapore is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Singapore?

Currently, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of S$ 505). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 998). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SIN?

When flying from San Francisco to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 42% versus a flight in the afternoon.

Reviews of airlines servicing Singapore

Get a feel of what it's like to fly with Singapore Airlines and United Airlines from San Francisco to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,383 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Singapore Airlines

8.1

Very Good

1,383 reviews

Singapore Airlines

8.1

Very Good

1,383 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

United Airlines

7.4

Good

8,988 reviews

Singapore Airlines

8.1

Very Good

1,383 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

Related info for your journey

What airports do I use to fly from San Francisco to Singapore?
Singapore Changi is the airport most travellers will use when flying to Singapore from San Francisco. Booking flights from San Francisco (SFO) to Changi (SIN) should be relatively easy as there are 4 daily flights to Singapore from 2 different airlines. 16h 35m is how long a flight from San Francisco to Singapore Changi will take if you book a nonstop flight.
How popular is this San Francisco to Singapore flight route?
The San Francisco to Singapore Changi flight path was viewed by 27 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Francisco to Singapore?
Departing from San Francisco to Singapore will take you 17h 40m. San Francisco and Singapore are separated by a distance of 13572 km. All flights are typically direct.
What are the cheapest airlines flying from San Francisco to Singapore round-trip?
According to our current data, United Airlines (S$ 975), and Singapore Airlines (S$ 1,027) offers the cheapest pricing from San Francisco to Singapore. United Airlines is 19% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest flights from San Francisco to Singapore?
The cheapest flight price from San Francisco to Singapore is S$ 441. On average you can expect to pay S$ 903. The most popular route, (San Francisco - Singapore Changi), can usually be booked for S$ 687.
Can I find deals for flights from San Francisco to Singapore that include hotel bookings?
Yes. In addition to deals on San Francisco to Singapore flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco to Singapore?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Singapore.
Can I find deals for business class flights from San Francisco to Singapore?
Yes. Cheapflights offers flight deals from San Francisco to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Singapore?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of S$ 505). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 998). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Fly from San Francisco to Singapore on these airlines

Singapore Airlines flights from San Francisco to Singapore Changi

United Airlines flights from San Francisco to Singapore Changi

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Top 2 airlines flying from San Francisco to Singapore

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	CheapestS$ 975	AverageS$ 1,132	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Singapore Airlines	CheapestS$ 1,027	AverageS$ 1,329	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to Singapore?

Cheapflights makes it easy to find San Francisco to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Singapore?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Singapore by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to Singapore with no change fees?

Certainly. Search results for flights to Singapore from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to Singapore become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Singapore from San Francisco today and book when prices fit your budget.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Francisco to Singapore from S$ 445

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18-1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in September or October, booked 74 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Find flight deals from San Francisco to Singapore

Cheapest flights from San Francisco to SingaporeExplore the most affordable flight options available from San Francisco to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Explore the most affordable flight options available from San Francisco to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.

Cheap flight deals from San Francisco to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from San Francisco to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Singapore

How far ahead should I book a flight from San Francisco to Singapore?

What is the cheapest month to book a flight from San Francisco to Singapore?

What is the cheapest time of day to fly from SFO to SIN?

Weekly flight availability from San Francisco to Singapore

How often are flights from San Francisco to Singapore delayed?

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

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

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

What’s the top stopover airport for flights from San Francisco to Singapore?

What’s the fastest stopover option from San Francisco to Singapore?

What’s the fastest stopover option from San Francisco to Singapore?

Which airport typically offers the quickest stopover for flights from San Francisco to Singapore?

Reviews of airlines servicing Singapore

Get a feel of what it's like to fly with Singapore Airlines and United Airlines from San Francisco to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from San Francisco to Singapore?

How popular is this San Francisco to Singapore flight route?

How long is the flight from San Francisco to Singapore?

What are the cheapest airlines flying from San Francisco to Singapore round-trip?

What are the cheapest flights from San Francisco to Singapore?

Can I find deals for flights from San Francisco to Singapore that include hotel bookings?

How can I find direct flights from San Francisco to Singapore?

Can I find deals for business class flights from San Francisco to Singapore?

What is the cheapest month to book a flight from San Francisco to Singapore?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from San Francisco to Singapore on these airlines

Choose from the following airlines for your flight from San Francisco to Singapore. Flights are based on user searches made on Cheapflights and were last updated on 21 October 2025.

Top 2 airlines flying from San Francisco to Singapore

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Singapore?

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Singapore?

Can Cheapflights find flights from San Francisco to Singapore with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to Singapore become cheaper?

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Cheapest flights from San Francisco to Singapore
Explore the most affordable flight options available from San Francisco to Singapore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 October 2025.