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$438+ Cheap flights from Singapore (SIN) to San Francisco (SFO)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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Find cheap flights from Singapore to San Francisco with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Singapore Changi to San Francisco are usually found in February or October, booked 60 days in advance, depart on a Thursday or Tuesday and return on a Monday

Find flight deals from Singapore to San Francisco

Cheapest flights from Singapore to San Francisco
Explore the most affordable flight options available from Singapore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 24, 2025.

This United Airlines deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2610:10 amSIN - SFO
Nonstop14h 50mUnited Airlines
Sun 1/1110:35 pmSFO - SIN
Nonstop17h 25mUnited Airlines
Deal found 11/21$671
This Expedia deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:05 pmSIN - SFO
1 stop22h 55mCathay Pacific
Tue 12/3010:55 pmSFO - SIN
1 stop38h 45mCathay Pacific
Deal found 11/22$679
This Expedia deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:05 pmSIN - SFO
1 stop22h 55mCathay Pacific
Wed 12/319:45 pmSFO - SIN
1 stop26h 00mCathay Pacific
Deal found 11/23$680
This Expedia deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:15 pmSIN - SFO
1 stop35h 50mCathay Pacific
Wed 12/319:45 pmSFO - SIN
1 stop23h 20mCathay Pacific
Deal found 11/21$682
This FlightHub deal was found by Cheapflights users on 11/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:15 pmSIN - SFO
1 stop17h 00mCathay Pacific
Tue 12/3010:55 pmSFO - SIN
1 stop38h 45mCathay Pacific
Deal found 11/23$686
This Cathay Pacific deal was found by Cheapflights users on 11/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:15 pmSIN - SFO
1 stop17h 00mCathay Pacific
Wed 12/319:45 pmSFO - SIN
1 stop22h 10mCathay Pacific
Deal found 11/24$702
This United Airlines deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2210:10 amSIN - SFO
Nonstop14h 50mUnited Airlines
Thu 1/1510:35 amSFO - SIN
Nonstop17h 40mUnited Airlines
Deal found 11/22$737
This Mytrip deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/238:15 pmSIN - SFO
1 stop35h 50mCathay Pacific
Tue 12/309:45 pmSFO - SIN
1 stop39h 55mCathay Pacific
Deal found 11/22$760
This CheapTickets deal was found by Cheapflights users on 11/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:00 amSIN - SFO
1 stop32h 45mChina Airlines
Tue 12/3011:40 pmSFO - SIN
1 stop21h 25mChina Airlines
Deal found 11/22$768

Cheap flight deals from Singapore to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$671
(United Airlines)

One-way from

$438
(CheapTickets)

Popular in

December

Cheapest in

February

Average price

$852

Good round-trip deal

$800 or less

Good one-way deal

$425 or less
Provider with most accurate pricing for Singapore Changi-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Singapore Changi-San Francisco flights.
Search Deals
From Singapore Changi to San Francisco
Search Deals
One-way flight from Singapore Changi to San Francisco
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($65 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Singapore Changi to San Francisco.
Search Deals
Price to beat on a one-way flight from Singapore Changi to San Francisco.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

Fly from

Singapore

Fly to

San Francisco

Route

Depart

Return

Price

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 2/13

10:20 pm-9:15 pm

Nonstop14h 55m

San Francisco

Fri 2/20

10:35 pm-8:00 am

Nonstop17h 25m

$671

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/16

10:10 am-9:05 am

Nonstop14h 55m

San Francisco

Sun 2/22

10:35 pm-8:00 am

Nonstop17h 25m

$671

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 1/28

10:10 am-9:00 am

Nonstop14h 50m

San Francisco

Sun 2/1

10:35 am-8:15 pm

Nonstop17h 40m

$672

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/16

4:45 pm-9:15 pm

1 stop20h 30m

San Francisco

Sun 2/22

11:25 am-12:25 am

1 stop21h 00m

$702

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 12/22

10:10 am-9:00 am

Nonstop14h 50m

San Francisco

Thu 1/15

10:35 am-8:15 pm

Nonstop17h 40m

$737

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sun 2/15

2:25 pm-6:45 pm

1 stop20h 20m

San Francisco

Sat 2/21

11:40 pm-12:40 am

1 stop33h 00m

$777

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 12/22

2:25 pm-6:45 pm

1 stop20h 20m

San Francisco

Thu 1/15

11:40 pm-1:05 pm

1 stop21h 25m

$777

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 2/14

2:00 am-6:45 pm

1 stop32h 45m

San Francisco

Thu 2/19

11:40 pm-12:40 am

1 stop33h 00m

$777

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 12/18

2:25 pm-6:45 pm

1 stop20h 20m

San Francisco

Mon 12/29

11:40 pm-1:05 pm

1 stop21h 25m

$777

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 12/13

2:00 am-6:45 pm

1 stop32h 45m

San Francisco

Wed 12/31

11:40 pm-1:05 pm

1 stop21h 25m

$778

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 23 results
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Compare providers for flights from Singapore to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Singapore to San Francisco in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Singapore-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Singapore-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Singapore-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Singapore-San Francisco flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Singapore-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Singapore to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Singapore 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 Singapore to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Singapore to San Francisco. Price data was last updated on November 21, 2025.

Booking 60 days in advance of your planned departure date is, on average, the best time to get cheap flights from Singapore to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, February is the cheapest month in which you can book a flight from Singapore to San Francisco (average of $545). Flying from Singapore to San Francisco in December is currently the most expensive (average of $691). 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 SIN to SFO?

Find hourly flight availability from Singapore to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 24, 2025.

When flying from Singapore to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 25% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Singapore to San Francisco. Price data was last updated on November 2, 2025.

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

The best insider tips for Singapore to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to San Francisco trip
Airports
SIN

For a smooth departure, consider early check-in at Jewel, available up to 24 hours before your flight.

Read more about SINby Yulia Denisyuk
SFO

Use BART for a budget-friendly trip from SFO to downtown San Francisco, taking about 40 minutes.

Read more about SFOby Harriet Baskas
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated November 24, 2025.
See what other customers who have flown with EVA Air, China Airlines, and Singapore Airlines from Singapore to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,283 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
EVA Air
8.4
Very good
1,283 reviews
EVA Air
8.4
Very good
1,283 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
China Airlines
8.3
Very good
782 reviews
EVA Air
8.4
Very good
1,283 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Singapore Airlines
8.1
Very good
1,409 reviews
EVA Air
8.4
Very good
1,283 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
Cathay Pacific
7.6
Good
1,068 reviews
EVA Air
8.4
Very good
1,283 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.
United Airlines
7.4
Good
9,042 reviews
EVA Air
8.4
Very good
1,283 reviews

Crew

8.6

Boarding

8.4

Food

8.1

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Walter,Nov 2025

LAX - TPE

Everything went well. The crew was very friendly and efficient and they made a long flight enjoyable.

Related info for your journey

Find useful and relevant information for your journey from Singapore to San Francisco. 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 Singapore to San Francisco?

    San Francisco is the airport most travelers will use when flying to San Francisco from Singapore Changi. Booking flights from Changi (SIN) to San Francisco (SFO) should be relatively easy as there are 4 daily flights to San Francisco from 5 different airlines. 14h 50m is how long a flight from Singapore to San Francisco will take if you book a nonstop flight.

  • How popular is this Singapore to San Francisco flight route?

    This flight path from Singapore Changi to San Francisco 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 Singapore to San Francisco?

    A quick flight from Singapore to San Francisco can take about 14h 55m. United Airlines provides one of the quickest options available for as low as $671. Airlines will cover a distance of 8433 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    Cheapflights users have booked flights from Singapore to San Francisco round-trip from $598. Other airlines that can offer you cheap pricing are Cathay Pacific, from $663, and Singapore Airlines, from $739. You may be able to fly from Singapore to San Francisco for 30% less than the average price by searching for these airlines.

  • What are the cheapest flights from Singapore to San Francisco?

    On average you can expect to pay $781 for a flight from Singapore to San Francisco. The cheapest flight overall is $421 while the most popular route, (Singapore Changi - San Francisco) is currently priced at $664.

  • Where are the most common layover locations when flying from Singapore to San Francisco?

    Flights departing from Singapore and landing in San Francisco layover in Tokyo most frequently.

  • What are some popular things to do or see while on a layover in Tokyo?

    Most Tokyo visitors opt to spend their time experiencing Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower, by traveling 34.6 mi, 35.3 mi, and 36.7 mi, respectively after landing at Tokyo Narita. Those landing in Tokyo looking to spend some time exploring during their layover can rent a car for about $54 per day.

  • Where are the least popular layover locations for Singapore to San Francisco flights?

    Singapore to San Francisco flights that have layovers will least frequently stop in Taipei City.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Singapore to San Francisco 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 Singapore to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Singapore to San Francisco (average of $545). Flying from Singapore to San Francisco in December is currently the most expensive (average of $691). 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

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
Vallejo
Hollister
San Bruno
Foster City
Redwood City
Union City
Burlingame
Lodi
San Mateo
Vacaville
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Singapore to San Francisco

Discover the top 5 airlines that operate flights from Singapore to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$598Average$867FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$663Average$864FlexibilityNo cancel feeOn-time72%
Singapore AirlinesCheapest$739Average$1,064FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$743Average$856FlexibilityNo cancel feeOn-time70%
EVA AirCheapest$820Average$896FlexibilityNo cancel feeOn-time74%

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