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

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

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.

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.

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.

How popular is this San Francisco to Singapore flight route?

This flight path from San Francisco to Singapore Changi was viewed by 46 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 30h 05m. 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$ 967 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 airlines to fly from San Francisco to Singapore one-way?

For one-way options, check prices for Korean Air. According to our data, you can fly for as low as C$ 498. Users have also found prices from C$ 508 and C$ 523 on Delta and Asiana Airlines, respectively.

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 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 3 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$ 495+ 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 Tuesday or Monday and return on a Friday

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 28 October 2025.

Thu 27/1110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 26/1210:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 28/10C$ 897

Sun 30/1111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Thu 5/311:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 28/10C$ 951

Tue 2/1211:40 a.m.SFO - SIN

1 stop25h 20mKorean Air

Tue 3/310:40 a.m.SIN - SFO

1 stop38h 50mKorean Air

Deal found 28/10C$ 952

Sat 29/1112:25 p.m.SFO - SIN

2 stops43h 45mKorean Air

Sun 8/310:30 p.m.SIN - SFO

1 stop27h 00mKorean Air

Deal found 28/10C$ 959

Mon 1/126:00 a.m.SFO - SIN

2 stops31h 00mDelta

Thu 5/310:30 p.m.SIN - SFO

2 stops40h 00mDelta

Deal found 28/10C$ 968

Sat 29/1112:25 p.m.SFO - SIN

2 stops43h 45mKorean Air

Thu 5/31:35 a.m.SIN - SFO

2 stops46h 23mKorean Air

Deal found 28/10C$ 982

Sat 29/1112:25 p.m.SFO - SIN

2 stops48h 35mKorean Air

Wed 4/310:40 a.m.SIN - SFO

2 stops63h 01mKorean Air

Deal found 28/10C$ 983

Sun 30/1112:25 p.m.SFO - SIN

2 stops43h 45mKorean Air

Mon 2/31:35 a.m.SIN - SFO

2 stops46h 23mKorean Air

Deal found 28/10C$ 990

Sun 30/1111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Fri 6/311:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 28/10C$ 993

Tue 28/1010:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Tue 4/1110:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,062

Thu 30/1010:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Wed 12/1110:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 27/10C$ 1,064

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 28 October 2025.

Wed 21/111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Sat 28/211:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 27/10C$ 951

Wed 21/14:02 p.m.SFO - SIN

2 stops36h 23mKorean Air

Mon 2/310:40 a.m.SIN - SFO

1 stop38h 50mKorean Air

Deal found 27/10C$ 959

Thu 22/110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 2/310:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,060

Thu 22/111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Mon 2/311:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 27/10C$ 951

Sat 29/113:35 p.m.SFO - SIN

2 stops40h 35mKorean Air

Mon 2/31:35 a.m.SIN - SFO

1 stop23h 55mKorean Air

Deal found 28/10C$ 959

Wed 21/111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Sun 1/311:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 27/10C$ 951

Tue 20/14:02 p.m.SFO - SIN

2 stops40h 08mKorean Air

Mon 2/210:30 p.m.SIN - SFO

1 stop27h 00mKorean Air

Deal found 27/10C$ 959

Tue 20/112:20 a.m.SFO - SIN

1 stop38h 35mUnited Airlines

Mon 2/310:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,074

Fri 23/12:35 p.m.SFO - SIN

2 stops41h 35mKorean Air

Mon 2/310:40 a.m.SIN - SFO

1 stop38h 50mKorean Air

Deal found 27/10C$ 975

Thu 22/11:35 p.m.SFO - SIN

2 stops42h 35mKorean Air

Mon 2/310:30 p.m.SIN - SFO

2 stops51h 11mKorean Air

Deal found 27/10C$ 990

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 28 October 2025.

Thu 15/110:35 a.m.SFO - SIN

Nonstop17h 40mUnited Airlines

Thu 5/210:10 a.m.SIN - SFO

Nonstop14h 50mUnited Airlines

Deal found 28/10C$ 897

Wed 21/110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 2/310:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,060

Mon 10/1110:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 21/1110:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 28/10C$ 1,062

Wed 21/110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Sat 28/210:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,130

Fri 9/110:35 a.m.SFO - SIN

Nonstop17h 40mUnited Airlines

Fri 13/210:10 a.m.SIN - SFO

Nonstop14h 45mUnited Airlines

Deal found 27/10C$ 1,132

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

Nonstop17h 25mUnited Airlines

Wed 10/1210:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 27/10C$ 1,150

Sun 11/110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 19/110:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,200

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

Nonstop17h 25mUnited Airlines

Thu 5/310:10 a.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 28/10C$ 1,225

Sat 8/1110:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Thu 20/1110:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 28/10C$ 1,238

Fri 23/19:40 a.m.SFO - SIN

Nonstop17h 25mSingapore Airlines

Mon 2/39:15 a.m.SIN - SFO

Nonstop14h 35mSingapore Airlines

Deal found 27/10C$ 1,291

Fri 5/1210:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Mon 2/310:10 a.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 28/10C$ 1,295

Sun 16/1110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Tue 25/1110:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 27/10C$ 1,298

Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 28 October 2025 and is based on user searches.

Tue 28/1010:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Tue 4/1110:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,062

Thu 30/1011:50 a.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Wed 12/1110:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 27/10C$ 1,064

Mon 3/1110:15 a.m.SFO - SIN

1 stop28h 40mUnited Airlines

Fri 7/1110:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 27/10C$ 1,074

Tue 11/1110:15 a.m.SFO - SIN

1 stop28h 40mUnited Airlines

Sun 23/1110:10 a.m.SIN - SFO

Nonstop15h 05mUnited Airlines

Deal found 28/10C$ 1,076

Thu 27/1110:35 p.m.SFO - SIN

Nonstop17h 25mUnited Airlines

Fri 26/1210:20 p.m.SIN - SFO

Nonstop14h 55mUnited Airlines

Deal found 28/10C$ 897

Sat 29/1112:25 p.m.SFO - SIN

2 stops43h 45mKorean Air

Wed 4/310:40 a.m.SIN - SFO

1 stop38h 50mKorean Air

Deal found 28/10C$ 959

Sat 29/1112:25 p.m.SFO - SIN

2 stops43h 45mKorean Air

Thu 5/31:35 a.m.SIN - SFO

2 stops46h 23mKorean Air

Deal found 28/10C$ 982

Sun 30/1111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Wed 4/311:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 28/10C$ 951

Sun 30/1111:40 a.m.SFO - SIN

1 stop25h 20mKorean Air

Tue 3/310:30 p.m.SIN - SFO

2 stops49h 28mKorean Air

Deal found 28/10C$ 975

Sun 30/1111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Fri 6/311:10 p.m.SIN - SFO

1 stop30h 50mAsiana Airlines

Deal found 28/10C$ 993

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 28 October 2025.

Sat 7/24:01 p.m.SFO - SIN

2 stops40h 09mKorean Air

Deal found 27/10C$ 495

Sun 23/1112:25 p.m.SFO - SIN

2 stops64h 00mKorean Air

Deal found 27/10C$ 498

Sun 15/210:57 p.m.SFO - SIN

2 stops33h 58mUnited Airlines

Deal found 28/10C$ 499

Sun 23/1110:30 a.m.SFO - SIN

2 stops65h 55mDelta

Deal found 28/10C$ 508

Sun 30/1112:25 p.m.SFO - SIN

2 stops48h 35mKorean Air

Deal found 28/10C$ 511

Fri 6/311:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Deal found 28/10C$ 523

Fri 28/1111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Deal found 28/10C$ 529

Mon 5/111:50 p.m.SFO - SIN

1 stop30h 05mAsiana Airlines

Deal found 27/10C$ 565

Sun 30/1111:40 a.m.SFO - SIN

1 stop25h 20mDelta

Deal found 27/10C$ 589

Sat 29/113:35 p.m.SFO - SIN

2 stops40h 35mDelta

Deal found 28/10C$ 596

Sat 7/39:40 a.m.SFO - SIN

Nonstop17h 25mSingapore Airlines

Deal found 26/10C$ 603

Thu 13/116:00 a.m.SFO - SIN

2 stops26h 50mAlaska Airlines

Deal found 28/10C$ 622

Cheap flight deals from San Francisco to Singapore

Round-trip from	C$ 897
One-way from	C$ 495
Popular in	December
Cheapest in	September
Average price	C$ 1,062

United Airlines
11/1-22/1
Nonstop
32h 15m total
San Francisco to Singapore

Search Deals

Korean Air
7/2
2 total stops
40h 09m total
San Francisco to Singapore

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 326 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (C$ 102 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

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 21/1

11:50 p.m.-9:55 p.m.

1 stop30h 05m

Singapore Changi

Sat 28/2

11:10 p.m.-2:00 p.m.

1 stop30h 50m

C$ 951

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 22/1

11:50 p.m.-9:55 p.m.

1 stop30h 05m

Singapore Changi

Mon 2/3

11:10 p.m.-2:00 p.m.

1 stop30h 50m

C$ 951

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 21/1

11:50 p.m.-9:55 p.m.

1 stop30h 05m

Singapore Changi

Sun 1/3

11:10 p.m.-2:00 p.m.

1 stop30h 50m

C$ 951

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 21/1

4:02 p.m.-8:25 p.m.

2 stops36h 23m

Singapore Changi

Mon 2/3

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

1 stop38h 50m

C$ 959

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 29/11

3:35 p.m.-12:10 a.m.

2 stops40h 35m

Singapore Changi

Mon 2/3

1:35 a.m.-9:30 a.m.

1 stop23h 55m

C$ 959

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 20/1

4:02 p.m.-12:10 a.m.

2 stops40h 08m

Singapore Changi

Mon 2/2

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

1 stop27h 00m

C$ 959

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 23/1

2:35 p.m.-12:10 a.m.

2 stops41h 35m

Singapore Changi

Mon 2/3

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

1 stop38h 50m

C$ 975

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 22/1

1:35 p.m.-12:10 a.m.

2 stops42h 35m

Singapore Changi

Mon 2/3

10:30 p.m.-9:41 a.m.

2 stops51h 11m

C$ 990

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 22/1

10:35 p.m.-8:00 a.m.

Nonstop17h 25m

Singapore Changi

Mon 2/3

10:20 p.m.-9:15 p.m.

Nonstop14h 55m

C$ 1,060

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 20/1

12:20 a.m.-6:55 a.m.

1 stop38h 35m

Singapore Changi

Mon 2/3

10:20 p.m.-9:15 p.m.

Nonstop14h 55m

C$ 1,074

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

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 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

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 C$ 545). Flying from San Francisco to Singapore in June is currently the most expensive (average of C$ 1,078). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Singapore as you normally would.

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

1,388 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

1,388 reviews

Singapore Airlines

8.1

Very good

1,388 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 3 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 46 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 30h 05m. 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$ 967 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 airlines to fly from San Francisco to Singapore one-way?
For one-way options, check prices for Korean Air. According to our data, you can fly for as low as C$ 498. Users have also found prices from C$ 508 and C$ 523 on Delta and Asiana Airlines, respectively.
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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of C$ 545). Flying from San Francisco to Singapore in June is currently the most expensive (average of C$ 1,078). 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$ 967	AverageC$ 1,210	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights

Fly with Cheapflights

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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.

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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$ 495

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 7/2. 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 Tuesday or Monday and return on a Friday

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 28 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 28 October 2025.

Cheap flight deals from San Francisco to Singapore

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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?

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?

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?

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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 28 October 2025.