How popular is this San Francisco to Singapore flight route?

The San Francisco to Singapore Changi flight path was viewed by 14 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?

There are many flights that can get you from San Francisco to Singapore in 16h 40m. Fly via United Airlines or Korean Air to get the fastest option. The distance from San Francisco to Singapore is about 8433 mi. This flight may include one or multiple stops.

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

Currently priced at £562, Singapore Airlines will fly you from San Francisco to Singapore and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as £597. Singapore Airlines is 20% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from San Francisco to Singapore?

Travellers seeking maximum savings on their San Francisco to Singapore flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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?

Looking for the cheapest flight from San Francisco to Singapore? While on average our users pay £711, our data indicates the cheapest price to be £693. The most popular route (San Francisco - Singapore Changi), is priced around £505.

What is the cheapest day to fly round-trip from San Francisco to Singapore?

It’s generally more expensive to depart on a Thursday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

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

To save on the cost of your flight from San Francisco to Singapore, book at least 51 days before your planned departure. Booking around this time can save you about 19% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £638 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £690.

What is the cheapest month to fly from San Francisco to Singapore?

Our data shows that September tends to be the cheapest month to fly to Singapore from San Francisco. Users have commonly found prices around £703 for the month, but tickets can be as low as £429. Due to multiple factors, prepare for potentially higher prices in December.

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

You will need to book a flight from San Francisco to Singapore Changi if you want to fly from San Francisco to Singapore. At least 2 different airlines have flights from San Francisco (SFO) to Changi (SIN) on a regular basis. There are 4 flights to Singapore from the San Francisco airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SFO to SIN to be around 17h 25m.

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.

£250+ 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 Friday or Thursday and return on a Monday

Cheap flight deals from San Francisco to Singapore

Round-trip from	£473
One-way from	£250
Popular in	December
Cheapest in	September
Average price	£568
Good round-trip deal	£693 or less

United Airlines
29/9-20/10
Nonstop
32h 10m total
San Francisco to Singapore

Search Deals

United Airlines
3/12
Nonstop
17h 25m total
San Francisco to Singapore

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£91 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (£30 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a round-trip flight from San Francisco to Singapore Changi.

Search Deals

Find flight deals from San Francisco to Singapore

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 12 September 2025.

Mon 15/922:40SFO - SIN

Nonstop16h 35mUnited Airlines

Wed 1/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9£471

Fri 19/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Fri 3/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£473

Mon 15/910:40SFO - SIN

1 stop29h 00mUnited Airlines

Fri 10/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9£481

Wed 17/907:25SFO - SIN

2 stops26h 20mUnited Airlines

Sun 5/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£483

Sun 14/907:25SFO - SIN

2 stops32h 15mUnited Airlines

Mon 13/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9£484

Sat 27/923:00SFO - SIN

2 stops40h 40mUnited Airlines

Sat 4/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£484

Thu 18/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 1/1011:05SIN - SFO

2 stops23h 00mUnited Airlines

Deal found 12/9£485

Sat 20/920:52SFO - SIN

2 stops36h 53mUnited Airlines

Fri 3/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£487

Fri 19/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Sat 4/1006:15SIN - SFO

2 stops23h 47mUnited Airlines

Deal found 12/9£487

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 12 September 2025.

Mon 29/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Mon 20/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9£473

Fri 6/311:40SFO - SIN

1 stop20h 30mKorean Air

Wed 11/301:35SIN - SFO

1 stop23h 55mKorean Air

Deal found 11/9£534

Wed 26/1123:30SFO - SIN

1 stop30h 25mAsiana Airlines

Sun 30/1123:10SIN - SFO

1 stop31h 50mAsiana Airlines

Deal found 10/9£540

Sun 8/306:05SFO - SIN

2 stops31h 55mDelta

Mon 16/310:40SIN - SFO

2 stops26h 50mDelta

Deal found 11/9£542

Tue 30/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Thu 9/1011:05SIN - SFO

1 stop20h 25mUnited Airlines

Deal found 11/9£481

Wed 24/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 1/1011:05SIN - SFO

1 stop37h 25mUnited Airlines

Deal found 11/9£481

Sun 5/1015:43SFO - SIN

2 stops46h 17mKorean Air

Sun 9/1122:30SIN - SFO

1 stop27h 00mKorean Air

Deal found 9/9£538

Sat 22/1115:30SFO - SIN

2 stops45h 30mKorean Air

Sun 14/1222:30SIN - SFO

1 stop27h 00mKorean Air

Deal found 10/9£546

Wed 8/1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 22/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9£560

Thu 2/1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Thu 9/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9£560

Thu 2/1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Sun 9/1122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 11/9£560

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 12 September 2025.

Mon 29/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Mon 20/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£473

Thu 30/1011:50SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 10/1110:10SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 12/9£560

Mon 22/922:40SFO - SIN

Nonstop16h 35mUnited Airlines

Tue 30/908:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£561

Wed 3/1210:50SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 29/1210:10SIN - SFO

Nonstop14h 50mUnited Airlines

Deal found 10/9£562

Fri 31/1011:50SFO - SIN

Nonstop17h 25mUnited Airlines

Tue 11/1122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 12/9£597

Mon 16/210:35SFO - SIN

Nonstop17h 40mUnited Airlines

Fri 27/210:10SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 11/9£613

Thu 9/1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Sat 18/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9£624

Tue 30/922:40SFO - SIN

Nonstop16h 35mUnited Airlines

Tue 21/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9£633

Tue 25/1122:35SFO - SIN

Nonstop17h 25mUnited Airlines

Wed 3/1210:10SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 10/9£647

Thu 4/1210:50SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 29/1210:10SIN - SFO

Nonstop14h 50mUnited Airlines

Deal found 10/9£648

Sat 11/1022:40SFO - SIN

Nonstop16h 35mUnited Airlines

Fri 24/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£653

Fri 7/1110:50SFO - SIN

Nonstop17h 25mUnited Airlines

Sat 15/1122:20SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 11/9£661

Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 12 September 2025 and is based on user searches.

Sun 14/907:25SFO - SIN

2 stops32h 15mUnited Airlines

Mon 13/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9£484

Mon 15/922:40SFO - SIN

Nonstop16h 35mUnited Airlines

Wed 1/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9£471

Mon 15/910:40SFO - SIN

1 stop29h 00mUnited Airlines

Fri 10/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9£481

Wed 17/907:25SFO - SIN

2 stops26h 20mUnited Airlines

Sun 5/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£483

Thu 18/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 1/1011:05SIN - SFO

2 stops23h 00mUnited Airlines

Deal found 12/9£485

Fri 19/910:45SFO - SIN

Nonstop16h 40mUnited Airlines

Fri 3/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£473

Sat 20/920:52SFO - SIN

2 stops36h 53mUnited Airlines

Sun 5/1008:45SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£487

Sat 27/923:00SFO - SIN

2 stops40h 40mUnited Airlines

Sat 4/1020:40SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 12/9£484

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 12 September 2025.

Wed 3/1210:50SFO - SIN

Nonstop17h 25mUnited Airlines

Deal found 11/9£250

Wed 1/1010:45SFO - SIN

Nonstop16h 40mUnited Airlines

Deal found 10/9£251

Tue 23/910:40SFO - SIN

1 stop29h 00mUnited Airlines

Deal found 11/9£258

Mon 9/211:00SFO - SIN

1 stop21h 55mUnited Airlines

Deal found 10/9£260

Wed 24/911:35SFO - SIN

1 stop22h 10mUnited Airlines

Deal found 11/9£261

Fri 26/907:25SFO - SIN

2 stops32h 15mUnited Airlines

Deal found 12/9£261

Fri 13/206:00SFO - SIN

2 stops26h 55mUnited Airlines

Deal found 11/9£264

Thu 25/911:35SFO - SIN

1 stop28h 05mUnited Airlines

Deal found 11/9£266

Sat 29/1122:44SFO - SIN

2 stops40h 11mUnited Airlines

Deal found 9/9£270

Tue 21/1012:50SFO - SIN

1 stop19h 50mKorean Air

Deal found 11/9£275

Mon 6/1012:50SFO - SIN

1 stop25h 10mKorean Air

Deal found 12/9£276

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

Mon 29/9

10:45-18:25

Nonstop16h 40m

Singapore Changi

Mon 20/10

20:40-21:10

Nonstop15h 30m

£473

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 30/9

10:45-18:25

Nonstop16h 40m

Singapore Changi

Thu 9/10

11:05-16:30

1 stop20h 25m

£481

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 24/9

10:45-18:25

Nonstop16h 40m

Singapore Changi

Wed 1/10

11:05-09:30

1 stop37h 25m

£481

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 6/3

11:40-00:10

1 stop20h 30m

Singapore Changi

Wed 11/3

01:35-10:30

1 stop23h 55m

£534

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 5/10

15:43-05:00

2 stops46h 17m

Singapore Changi

Sun 9/11

22:30-09:30

1 stop27h 00m

£538

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 26/11

23:30-21:55

1 stop30h 25m

Singapore Changi

Sun 30/11

23:10-15:00

1 stop31h 50m

£540

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 8/3

06:05-05:00

2 stops31h 55m

Singapore Changi

Mon 16/3

10:40-22:30

2 stops26h 50m

£542

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 22/11

15:30-05:00

2 stops45h 30m

Singapore Changi

Sun 14/12

22:30-09:30

1 stop27h 00m

£546

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 8/10

10:45-18:25

Nonstop16h 40m

Singapore Changi

Wed 22/10

20:40-21:10

Nonstop15h 30m

£560

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/10

10:45-18:25

Nonstop16h 40m

Singapore Changi

Thu 9/10

20:40-21:10

Nonstop15h 30m

£560

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 20 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

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

To ensure you get the cheapest price possible for a flight from San Francisco to Singapore, you should look to book at least 74 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £711). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,115). 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?

One of the essential ways to save on airfare from San Francisco to Singapore is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown with Singapore Airlines and United Airlines from San Francisco to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Person in front laid back his seat. I’m quite tall found it difficult to sit straight lucky seat next to me was empty was able to stretch my legs. Eating my meal was difficult also as seat remained lowered

Singapore Airlines

8.1

Very Good

1,365 reviews

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

United Airlines

7.4

Good

8,937 reviews

Singapore Airlines

8.1

Very Good

1,365 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Jul 2025

DAD - SIN

Related info for your journey

What airports do I use to fly from San Francisco to Singapore?
You will need to book a flight from San Francisco to Singapore Changi if you want to fly from San Francisco to Singapore. At least 2 different airlines have flights from San Francisco (SFO) to Changi (SIN) on a regular basis. There are 4 flights to Singapore from the San Francisco airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SFO to SIN to be around 17h 25m.
How popular is this San Francisco to Singapore flight route?
The San Francisco to Singapore Changi flight path was viewed by 14 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?
There are many flights that can get you from San Francisco to Singapore in 16h 40m. Fly via United Airlines or Korean Air to get the fastest option. The distance from San Francisco to Singapore is about 8433 mi. This flight may include one or multiple stops.
What are the cheapest airlines flying from San Francisco to Singapore round-trip?
Currently priced at £562, Singapore Airlines will fly you from San Francisco to Singapore and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as £597. Singapore Airlines is 20% 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?
Looking for the cheapest flight from San Francisco to Singapore? While on average our users pay £711, our data indicates the cheapest price to be £693. The most popular route (San Francisco - Singapore Changi), is priced around £505.
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, May is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £711). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,115). 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

Alternative routes for San Francisco to Singapore

Los Angeles to Singapore flights

Other flights to Singapore

Top 2 airlines flying from San Francisco to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	Cheapest£562	Average£795	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
United Airlines	Cheapest£597	Average£718	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from San Francisco to Singapore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Singapore from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from San Francisco to Singapore with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

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 £250

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 3/12. 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 Friday or Thursday and return on a Monday

Cheap flight deals from San Francisco to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

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 12 September 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 12 September 2025.

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

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown with Singapore Airlines and United Airlines from San Francisco to Singapore. Users can see the overall rating for each airline as well as how each is rated 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.

Alternative routes for San Francisco to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

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?

100% Free

Book with Flexibility

Travel Smart

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 12 September 2025.