How popular is this San Francisco to Singapore flight route?

This flight path from San Francisco to Singapore Changi was viewed by 45 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 16h 40m. There are 13572 km between San Francisco and Singapore. This flight may include one or multiple stops.

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

Our cheapest airline available from San Francisco to Singapore is Singapore Airlines. Our recent data shows that you can find tickets from as low as C$ 976 on this airline. You may be able to fly from San Francisco to Singapore for 26% less than the average price by searching for this airline.

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

Travelers seeking maximum savings on their San Francisco to Singapore flight should consider departing on Monday mornings when fares are most often at their lowest. Friday 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 mm 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 C$ 526, our data indicates the cheapest price to be C$ 444. The most popular route (San Francisco - Singapore Changi), is priced around C$ 1,098.

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

Wednesday is generally a great day to depart. Flying on this day could help you save up to 20%.

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 C$ 1,197 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as C$ 1,296.

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

Flights from San Francisco to Singapore lean towards being more expensive in December. Prices are generally better when you fly from San Francisco to Singapore in September, with the cheapest ticket starting at C$ 805.

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 1 airline. 17h 25m 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 vacation 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.

C$ 470+ 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 Thursday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Singapore

Round-trip from	C$ 855
One-way from	C$ 470
Popular in	December
Cheapest in	September
Average price	C$ 1,067
Good one-way deal	C$ 504 or less

Philippine Airlines
8/10-15/10
2 total stops
49h 15m 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. 15% potential increase in price (C$ 324 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease (C$ 107 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Price to beat on a one-way 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 11 September 2025.

Wed 8/1011:55 p.m.SFO - SIN

1 stop28h 00mPhilippine Airlines

Wed 15/102:35 p.m.SIN - SFO

1 stop21h 15mPhilippine Airlines

Deal found 10/9C$ 855

Mon 15/910:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Wed 1/108:45 a.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 884

Mon 29/910:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Mon 20/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 888

Mon 15/910:40 a.m.SFO - SIN

1 stop29h 00mUnited Airlines

Mon 6/108:45 a.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 9/9C$ 902

Wed 17/911:35 a.m.SFO - SIN

1 stop22h 10mUnited Airlines

Wed 1/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 906

Sun 14/97:25 a.m.SFO - SIN

2 stops32h 15mUnited Airlines

Mon 13/108:45 a.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9C$ 908

Sat 20/98:52 p.m.SFO - SIN

2 stops36h 53mUnited Airlines

Sun 12/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9C$ 913

Fri 19/910:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Fri 3/1011:20 a.m.SIN - SFO

2 stops35h 05mUnited Airlines

Deal found 11/9C$ 916

Tue 30/910:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Tue 21/1011:05 a.m.SIN - SFO

1 stop38h 30mUnited Airlines

Deal found 10/9C$ 917

Best flights from San Francisco to Singapore
Discover carefully curated flight deals from San Francisco to Singapore that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 September 2025.

Wed 24/910:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 1/1011:05 a.m.SIN - SFO

1 stop37h 25mUnited Airlines

Deal found 11/9C$ 902

Tue 18/1111:40 a.m.SFO - SIN

1 stop25h 20mKorean Air

Sat 6/1210:30 p.m.SIN - SFO

1 stop27h 00mKorean Air

Deal found 11/9C$ 1,002

Wed 26/1111:30 p.m.SFO - SIN

1 stop30h 25mAsiana Airlines

Sun 30/1111:10 p.m.SIN - SFO

1 stop31h 50mAsiana Airlines

Deal found 10/9C$ 1,014

Tue 30/910:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Thu 9/1011:05 a.m.SIN - SFO

2 stops37h 15mUnited Airlines

Deal found 11/9C$ 924

Fri 28/113:30 p.m.SFO - SIN

2 stops45h 30mKorean Air

Mon 8/1210:40 a.m.SIN - SFO

1 stop38h 50mKorean Air

Deal found 10/9C$ 1,009

Sun 5/103:43 p.m.SFO - SIN

2 stops46h 17mKorean Air

Sun 9/1110:30 p.m.SIN - SFO

1 stop27h 00mKorean Air

Deal found 9/9C$ 1,010

Wed 8/1010:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 22/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 1,052

Fri 7/113:30 p.m.SFO - SIN

2 stops45h 30mKorean Air

Tue 25/1110:30 p.m.SIN - SFO

1 stop27h 00mKorean Air

Deal found 11/9C$ 1,025

Thu 2/1010:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Thu 9/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 1,052

Sun 11/11:59 p.m.SFO - SIN

2 stops42h 11mKorean Air

Tue 17/310:40 a.m.SIN - SFO

2 stops38h 23mKorean Air

Deal found 11/9C$ 1,041

Wed 4/310:35 a.m.SFO - SIN

Nonstop17h 40mUnited Airlines

Thu 12/36:35 a.m.SIN - SFO

1 stop18h 40mUnited Airlines

Deal found 11/9C$ 1,070

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 11 September 2025.

Mon 29/910:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Mon 20/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 888

Wed 8/1011:30 a.m.SFO - SIN

Nonstop16h 40mSingapore Airlines

Wed 15/109:15 a.m.SIN - SFO

Nonstop15h 25mSingapore Airlines

Deal found 10/9C$ 1,019

Thu 2/1010:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Wed 8/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 1,052

Wed 3/1210:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 29/1210:10 a.m.SIN - SFO

Nonstop14h 50mUnited Airlines

Deal found 10/9C$ 1,055

Fri 3/1010:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Mon 13/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 1,121

Mon 16/210:35 a.m.SFO - SIN

Nonstop17h 40mUnited Airlines

Fri 27/210:10 a.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 11/9C$ 1,150

Thu 9/1010:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Sat 18/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 1,171

Tue 30/910:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Tue 21/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9C$ 1,189

Tue 25/1110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Thu 4/1210:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 10/9C$ 1,214

Thu 4/1210:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 29/1210:10 a.m.SIN - SFO

Nonstop14h 50mUnited Airlines

Deal found 10/9C$ 1,217

Sat 11/1010:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Mon 20/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 1,226

Fri 7/1110:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Sat 15/1110:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 11/9C$ 1,240

Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 11 September 2025 and is based on user searches.

Sun 14/97:25 a.m.SFO - SIN

2 stops32h 15mUnited Airlines

Mon 13/108:45 a.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9C$ 908

Mon 15/910:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Wed 1/108:45 a.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 884

Mon 15/910:40 a.m.SFO - SIN

1 stop29h 00mUnited Airlines

Fri 10/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9C$ 902

Wed 17/911:35 a.m.SFO - SIN

1 stop22h 10mUnited Airlines

Wed 1/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 906

Fri 19/910:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Fri 3/1011:20 a.m.SIN - SFO

2 stops35h 05mUnited Airlines

Deal found 11/9C$ 916

Sat 20/98:52 p.m.SFO - SIN

2 stops36h 53mUnited Airlines

Thu 9/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 10/9C$ 913

Mon 29/910:40 p.m.SFO - SIN

Nonstop16h 35mUnited Airlines

Mon 20/108:40 p.m.SIN - SFO

Nonstop15h 30mUnited Airlines

Deal found 11/9C$ 888

Tue 30/910:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Tue 21/1011:05 a.m.SIN - SFO

1 stop38h 30mUnited Airlines

Deal found 10/9C$ 917

Wed 8/1011:55 p.m.SFO - SIN

1 stop28h 00mPhilippine Airlines

Wed 15/102:35 p.m.SIN - SFO

1 stop21h 15mPhilippine Airlines

Deal found 10/9C$ 855

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 11 September 2025.

Wed 3/1210:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Deal found 11/9C$ 470

Wed 1/1010:45 a.m.SFO - SIN

Nonstop16h 40mUnited Airlines

Deal found 10/9C$ 471

Tue 23/910:40 a.m.SFO - SIN

1 stop29h 00mUnited Airlines

Deal found 11/9C$ 484

Mon 9/211:00 a.m.SFO - SIN

1 stop21h 55mUnited Airlines

Deal found 10/9C$ 488

Wed 24/911:35 a.m.SFO - SIN

1 stop22h 10mUnited Airlines

Deal found 11/9C$ 489

Mon 2/27:25 a.m.SFO - SIN

2 stops31h 30mUnited Airlines

Deal found 11/9C$ 491

Fri 13/26:00 a.m.SFO - SIN

2 stops26h 55mUnited Airlines

Deal found 11/9C$ 495

Thu 25/911:35 a.m.SFO - SIN

1 stop28h 05mUnited Airlines

Deal found 11/9C$ 499

Sat 29/1110:44 p.m.SFO - SIN

2 stops40h 11mUnited Airlines

Deal found 9/9C$ 507

Tue 21/1012:50 p.m.SFO - SIN

1 stop19h 50mKorean Air

Deal found 11/9C$ 516

Mon 24/1111:40 a.m.SFO - SIN

1 stop25h 20mKorean Air

Deal found 11/9C$ 518

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 24/9

10:45 a.m.-6:25 p.m.

Nonstop16h 40m

Singapore Changi

Wed 1/10

11:05 a.m.-9:30 a.m.

1 stop37h 25m

C$ 902

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 30/9

10:45 a.m.-6:25 p.m.

Nonstop16h 40m

Singapore Changi

Thu 9/10

11:05 a.m.-9:20 a.m.

2 stops37h 15m

C$ 924

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 18/11

11:40 a.m.-5:00 a.m.

1 stop25h 20m

Singapore Changi

Sat 6/12

10:30 p.m.-9:30 a.m.

1 stop27h 00m

C$ 1,002

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 28/11

3:30 p.m.-5:00 a.m.

2 stops45h 30m

Singapore Changi

Mon 8/12

10:40 a.m.-9:30 a.m.

1 stop38h 50m

C$ 1,009

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 5/10

3:43 p.m.-5:00 a.m.

2 stops46h 17m

Singapore Changi

Sun 9/11

10:30 p.m.-9:30 a.m.

1 stop27h 00m

C$ 1,010

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 26/11

11:30 p.m.-9:55 p.m.

1 stop30h 25m

Singapore Changi

Sun 30/11

11:10 p.m.-3:00 p.m.

1 stop31h 50m

C$ 1,014

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 7/11

3:30 p.m.-5:00 a.m.

2 stops45h 30m

Singapore Changi

Tue 25/11

10:30 p.m.-9:30 a.m.

1 stop27h 00m

C$ 1,025

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 11/1

1:59 p.m.-12:10 a.m.

2 stops42h 11m

Singapore Changi

Tue 17/3

10:40 a.m.-10:03 a.m.

2 stops38h 23m

C$ 1,041

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 8/10

10:45 a.m.-6:25 p.m.

Nonstop16h 40m

Singapore Changi

Wed 22/10

8:40 p.m.-9:10 p.m.

Nonstop15h 30m

C$ 1,052

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/10

10:45 a.m.-6:25 p.m.

Nonstop16h 40m

Singapore Changi

Thu 9/10

8:40 p.m.-9:10 p.m.

Nonstop15h 30m

C$ 1,052

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/9

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 round-trip 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?

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, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of C$ 944). Flying from San Francisco to Singapore in December is currently the most expensive (average of C$ 1,315). 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?

It’s typically best to fly out from San Francisco to Singapore in the morning. Doing so could potentially save you 32% on the flight price compared to flying at noon, which is usually more expensive.

Reviews of airlines servicing Singapore

Read reviews from past customers who have flown Singapore 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

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 1 airline. 17h 25m 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?
This flight path from San Francisco to Singapore Changi was viewed by 45 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 16h 40m. There are 13572 km between San Francisco and Singapore. This flight may include one or multiple stops.
What is the cheapest airline to fly from San Francisco to Singapore round-trip?
Our cheapest airline available from San Francisco to Singapore is Singapore Airlines. Our recent data shows that you can find tickets from as low as C$ 976 on this airline. You may be able to fly from San Francisco to Singapore for 26% less than the average price by searching for this airline.
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 C$ 526, our data indicates the cheapest price to be C$ 444. The most popular route (San Francisco - Singapore Changi), is priced around C$ 1,098.
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 vacation 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, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of C$ 944). Flying from San Francisco to Singapore in December is currently the most expensive (average of C$ 1,315). 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

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Top airline flying from San Francisco to Singapore

Airline	Cheapest	Average	Flexibility	On-time
Singapore Airlines	CheapestC$ 976	AverageC$ 1,343	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

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

When you search for this flight from San Francisco to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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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Cheap flights from San Francisco to Singapore from C$ 470

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 Thursday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good one-way 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 11 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 11 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 Singapore 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 is the cheapest airline to fly from San Francisco to Singapore round-trip?

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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 11 September 2025.