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Cheap flights from Singapore to San Francisco from £367

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
13 Aug — 20 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Singapore Changi to San Francisco are usually found in February or October, booked 82 days in advance, depart on a Thursday or Monday and return on a Wednesday

Cheap flight deals from Singapore to San Francisco

Enter your travel dates to find the best prices.

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 14 July 2026.

Mon 12/1022:00
SIN
-
SFO
1 stop27h 40m
Delta
Mon 19/1006:00
SFO
-
SIN
2 stops26h 55m
Delta
Deal found 10/7£645
Wed 16/922:00
SIN
-
SFO
1 stop27h 40m
Delta
Wed 21/1006:00
SFO
-
SIN
2 stops32h 00m
Delta
Deal found 13/7£646
Thu 19/1122:30
SIN
-
SFO
1 stop27h 00m
Delta
Wed 2/1206:05
SFO
-
SIN
2 stops26h 05m
Delta
Deal found 13/7£647
Fri 11/907:30
SIN
-
SFO
1 stop18h 10m
Delta
Sun 27/906:00
SFO
-
SIN
2 stops26h 55m
Delta
Deal found 13/7£648
Tue 22/907:30
SIN
-
SFO
2 stops27h 48m
Delta
Wed 30/912:50
SFO
-
SIN
1 stop20h 05m
Delta
Deal found 14/7£649
Fri 11/907:30
SIN
-
SFO
1 stop18h 10m
Korean Air
Thu 1/1012:50
SFO
-
SIN
1 stop20h 05m
Korean Air
Deal found 13/7£650
Mon 28/922:00
SIN
-
SFO
1 stop27h 40m
Korean Air
Mon 19/1012:50
SFO
-
SIN
1 stop20h 05m
Korean Air
Deal found 13/7£650
Wed 18/1101:35
SIN
-
SFO
2 stops32h 14m
Delta
Thu 3/1211:40
SFO
-
SIN
1 stop25h 20m
Delta
Deal found 13/7£651
Thu 24/907:30
SIN
-
SFO
2 stops27h 48m
Delta
Thu 1/1006:00
SFO
-
SIN
2 stops26h 55m
Delta
Deal found 11/7£652
Fri 21/814:00
SIN
-
SFO
1 stop22h 00m
STARLUX Airlines
Thu 27/800:50
SFO
-
SIN
1 stop21h 00m
STARLUX Airlines
Deal found 10/7£654
Sat 12/907:30
SIN
-
SFO
2 stops29h 37m
Delta
Sun 27/906:00
SFO
-
SIN
2 stops26h 55m
Delta
Deal found 13/7£656
Thu 17/907:30
SIN
-
SFO
2 stops27h 48m
Delta
Wed 7/1006:00
SFO
-
SIN
2 stops26h 55m
Delta
Deal found 13/7£658

Find 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 14 July 2026.

Round-trip from

£645

One-way from

£367

Popular in

August

Cheapest in

February

Average price

£794

Good round-trip deal

£675 or less
Delta
  • Delta
  • 12/10-19/10
  • 3 total stops
  • 54h 35m total
  • Singapore to San Francisco
Search Deals
Korean Air
  • Korean Air
  • 16/11
  • 1 total stop
  • 27h 00m total
  • Singapore to San Francisco
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£59 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Singapore Changi to San Francisco.
Search Deals

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 14 July 2026.
Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 18/9

08:45-09:15

Nonstop15h 30m

San Francisco

Fri 9/10

10:50-18:35

Nonstop16h 45m

£677

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 3/9

02:00-20:30

1 stop33h 30m

San Francisco

Sat 5/9

01:05-12:35

1 stop20h 30m

£677

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 21/11

14:25-18:45

1 stop20h 20m

San Francisco

Mon 7/12

23:40-00:40

1 stop33h 00m

£678
Fastest return journey

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sun 20/9

08:45-09:15

Nonstop15h 30m

San Francisco

Mon 21/9

22:40-06:15

Nonstop16h 35m

£698

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 2/11

10:10-09:15

Nonstop15h 05m

San Francisco

Mon 2/11

22:40-08:00

Nonstop17h 20m

£698

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 23/11

14:25-18:45

1 stop20h 20m

San Francisco

Wed 2/12

18:50-00:40

2 stops37h 50m

£760

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 12/8

08:45-09:30

Nonstop15h 45m

San Francisco

Mon 17/8

10:55-06:40

1 stop28h 45m

£764

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 22/8

06:15-10:55

1 stop19h 40m

San Francisco

Mon 31/8

22:50-06:15

Nonstop16h 25m

£765

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 21/8

06:15-10:40

1 stop19h 25m

San Francisco

Fri 28/8

11:10-18:35

Nonstop16h 25m

£766

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Fri 18/9

13:45-19:55

1 stop21h 10m

San Francisco

Fri 9/10

18:38-12:35

2 stops26h 57m

£784

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 23 resultsSorted by cheapest first
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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?

Booking 80 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 £506). Flying from Singapore to San Francisco in August is currently the most expensive (average of £871). 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 14 July 2026.

When flying from Singapore to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Singapore to San Francisco?

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 14 July 2026.
Read reviews from past customers who have flown with United 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.
United Airlines
7.4
Good
9,988 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,988 reviews
United Airlines
7.4
Good
9,988 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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. 15h 45m is how long a nonstop flight from Singapore to San Francisco typically takes.

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

    This flight path from Singapore Changi to San Francisco was viewed by 26 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?

    Airlines like STARLUX Airlines, China Airlines, and United Airlines fly from Singapore to San Francisco in about 15h 30m. The time it takes to get you to your destination can typically vary by up to 18h. 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 £571, United Airlines will fly you from Singapore to San Francisco and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 18% 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 £675. While the most popular route (Singapore Changi - San Francisco) can be booked for £677 on average, our data indicates £2,682 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 £506). Flying from Singapore to San Francisco in August is currently the most expensive (average of £871). 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
San Bruno
Newark
Bodega Bay
South San Francisco
Sunnyvale

Browse thousands of different options on Cheapflights for your next trip

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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.
Singapore to Los Angeles flights

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 14 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£571Average£666FlexibilityNo cancel feeOn-time69%
Search United 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.

Can Cheapflights notify me if prices for flights from Singapore to San Francisco become cheaper?

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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