Cheap flights from Singapore to San Francisco from £313

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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

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 16 September 2025.

Round-trip from

£484

One-way from

£313

Popular in

December

Cheapest in

February

Average price

£607

Good round-trip deal

£1,876 or less

Good one-way deal

£404 or less
Singapore Airlines
  • Singapore Airlines
  • 19/11-21/1
  • Nonstop
  • 32h 00m total
  • Singapore to San Francisco
United Airlines
  • United Airlines
  • 30/9
  • Nonstop
  • 15h 30m total
  • Singapore to San Francisco
Highest demand for flights based on searches. 6% potential increase in price (£34 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Average for round-trip flights in September 2025
Price to beat on a round-trip flight from Singapore Changi to San Francisco.
Price to beat on a one-way flight from Singapore Changi to San Francisco.

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 16 September 2025.

Wed 19/1109:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Wed 21/109:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Deal found 15/9£484
Wed 29/1001:25SIN - SFO
1 stop35h 50mCathay Pacific
Thu 6/1111:25SFO - SIN
1 stop33h 40mCathay Pacific
Deal found 14/9£489
Sun 16/1110:10SIN - SFO
Nonstop15h 05mUnited Airlines
Thu 22/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Deal found 14/9£503
Sat 20/901:50SIN - SFO
1 stop35h 50mCathay Pacific
Tue 21/1023:10SFO - SIN
1 stop39h 20mCathay Pacific
Deal found 14/9£509
Tue 4/1114:05SIN - SFO
1 stop23h 10mCathay Pacific
Wed 12/1111:25SFO - SIN
1 stop21h 00mCathay Pacific
Deal found 15/9£510
Thu 20/1118:00SIN - SFO
1 stop19h 15mCathay Pacific
Mon 24/1122:55SFO - SIN
1 stop38h 45mCathay Pacific
Deal found 15/9£511
Sat 22/1120:15SIN - SFO
1 stop17h 00mCathay Pacific
Tue 25/1122:55SFO - SIN
1 stop24h 50mCathay Pacific
Deal found 15/9£522
Wed 19/1123:10SIN - SFO
1 stop31h 50mAsiana Airlines
Fri 23/123:30SFO - SIN
1 stop30h 25mAsiana Airlines
Deal found 14/9£525
Tue 16/902:00SIN - SFO
1 stop32h 55mChina Airlines
Wed 8/1001:05SFO - SIN
1 stop32h 30mChina Airlines
Deal found 15/9£547
Sat 15/1102:00SIN - SFO
1 stop32h 45mChina Airlines
Thu 22/123:40SFO - SIN
1 stop33h 00mChina Airlines
Deal found 14/9£547
Thu 25/913:45SIN - SFO
1 stop21h 10mChina Airlines
Tue 7/1001:05SFO - SIN
1 stop20h 30mChina Airlines
Deal found 14/9£550
Fri 19/916:05SIN - SFO
1 stop21h 35mCathay Pacific
Thu 9/1000:20SFO - SIN
1 stop20h 25mCathay Pacific
Deal found 15/9£557

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 16 September 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 21/11

22:20-21:15

Nonstop14h 55m

San Francisco

Wed 21/1

10:35-20:15

Nonstop17h 40m

£503

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 19/11

22:20-21:15

Nonstop14h 55m

San Francisco

Sun 18/1

10:35-20:15

Nonstop17h 40m

£503

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 21/11

22:20-21:15

Nonstop14h 55m

San Francisco

Tue 20/1

22:35-08:00

Nonstop17h 25m

£503

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 6/11

10:00-21:15

1 stop27h 15m

San Francisco

Sun 9/11

11:25-00:25

1 stop21h 00m

£510

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 5/11

10:00-16:20

1 stop22h 20m

San Francisco

Mon 10/11

22:55-11:55

1 stop21h 00m

£510

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 4/11

14:05-21:15

1 stop23h 10m

San Francisco

Wed 12/11

11:25-00:25

1 stop21h 00m

£510

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 6/11

18:00-21:15

1 stop19h 15m

San Francisco

Tue 11/11

11:25-00:25

1 stop21h 00m

£511

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 5/3

08:00-21:15

1 stop29h 15m

San Francisco

Mon 9/3

23:55-19:15

1 stop28h 20m

£511

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 12/11

01:25-21:15

1 stop35h 50m

San Francisco

Tue 25/11

22:55-11:55

1 stop21h 00m

£511

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 19/11

01:25-21:15

1 stop35h 50m

San Francisco

Tue 25/11

22:55-13:05

1 stop22h 10m

£511

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 21 results
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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 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 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 return flight from Singapore to San Francisco. Price data was last updated on 12 September 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 £538). Flying from Singapore to San Francisco in July is currently the most expensive (average of £803). 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 16 September 2025.

It’s typically best to fly out from Singapore to San Francisco at midday. Doing so could potentially save you 35% on the flight price compared to flying in the evening, which is usually more expensive.

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 16 September 2025.
Read reviews from past customers who have flown with Singapore Airlines from Singapore to San Francisco. 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.

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Crew

8.6

Boarding

8.2

Comfort

8.0

Food

7.7

Overall

8.1

Entertainment

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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?

    If you wish to fly to San Francisco from Singapore, then you need to book flights from Singapore Changi to San Francisco. There are 4 flights from Changi (SIN) to San Francisco (SFO) per day to choose from. Flights to San Francisco from Changi are available from 1 airline, which means you should have some options if you want to compare airfare deals. 14h 50m is how long a nonstop flight from Singapore to San Francisco typically takes.

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

  • How long is the flight from Singapore to San Francisco?

    Airlines like United Airlines and Cathay Pacific fly from Singapore to San Francisco in about 14h 55m. The time it takes to get you to your destination can typically vary by up to 12h 20m. The distance from Singapore to San Francisco is about 8433 mi. This flight may include one or multiple stops.

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

    Currently priced at £607, Singapore Airlines will fly you from Singapore to San Francisco and back. In addition to Singapore Airlines, many other airlines offer competitively priced options for your trip. Singapore Airlines is 5% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Looking at all options, your cheapest flight can be booked for £401. While the most popular route (Singapore Changi - San Francisco) can be booked for £770 on average, our data indicates £1,279 when flying from Singapore to San Francisco.

  • 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 holiday 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 £538). Flying from Singapore to San Francisco in July is currently the most expensive (average of £803). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove

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Alternative routes for Singapore to San Francisco

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

Top airline flying from Singapore to San Francisco

Discover the top airline 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 858,174 searches. Data last updated 16 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest£607Average£918FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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 Singapore to San Francisco?

Deals for Singapore to San Francisco flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Singapore to San Francisco.

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

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

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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