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Cheap flights from San Francisco to Singapore from £279

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in October or March, booked 19 days in advance, depart on a Thursday or Wednesday and return on a Monday

Cheap flight deals from San Francisco to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Singapore (SIN). 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 25 March 2025.

Round-trip from

£582

One-way from

£279

Popular in

December

Cheapest in

October

Average price

£668

Good round-trip deal

£695 or less

Good one-way deal

£282 or less
United Airlines
  • United Airlines
  • 30/4-27/5
  • Nonstop
  • 32h 35m total
  • San Francisco to Singapore
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Singapore Airlines
  • Singapore Airlines
  • 28/4
  • Nonstop
  • 16h 40m total
  • San Francisco to Singapore
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Highest demand for flights based on searches. 7% potential increase in price (£55 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from San Francisco to Singapore Changi.
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Price to beat on a one-way flight from San Francisco to Singapore Changi.
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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 25 March 2025.

Wed 30/410:25SFO - SIN
Nonstop17h 00mUnited Airlines
Tue 27/508:45SIN - SFO
Nonstop15h 35mUnited Airlines
Deal found 25/3£582
Thu 4/923:30SFO - SIN
1 stop31h 00mAsiana Airlines
Sun 7/922:50SIN - SFO
1 stop31h 40mAsiana Airlines
Deal found 24/3£604
Wed 10/922:50SFO - SIN
1 stop22h 20mVietnam Airlines
Tue 30/918:25SIN - SFO
1 stop39h 15mVietnam Airlines
Deal found 24/3£610
Tue 9/914:00SFO - SIN
1 stop19h 20mJapan Airlines
Mon 29/908:05SIN - SFO
1 stop18h 40mJapan Airlines
Deal found 24/3£615
Thu 4/906:05SFO - SIN
2 stops31h 55mDelta
Wed 10/907:30SIN - SFO
2 stops26h 04mDelta
Deal found 24/3£619
Mon 15/913:40SFO - SIN
1 stop20h 10mCathay Pacific
Tue 30/901:50SIN - SFO
1 stop35h 50mCathay Pacific
Deal found 24/3£646
Mon 12/501:45SFO - SIN
1 stop24h 30mANA
Tue 20/511:05SIN - SFO
1 stop20h 30mANA
Deal found 24/3£687
Thu 28/813:10SFO - SIN
1 stop19h 30mKorean Air
Sat 30/801:10SIN - SFO
1 stop24h 50mKorean Air
Deal found 24/3£691
Tue 13/516:45SFO - SIN
1 stop30h 40mMultiple Airlines
Mon 19/503:40SIN - SFO
2 stops55h 47mMultiple Airlines
Deal found 24/3£703
Sun 20/401:05SFO - SIN
1 stop20h 30mChina Airlines
Tue 22/402:00SIN - SFO
1 stop32h 55mChina Airlines
Deal found 24/3£719
Thu 17/400:50SFO - SIN
1 stop20h 50mSTARLUX Airlines
Wed 23/414:00SIN - SFO
1 stop21h 30mSTARLUX Airlines
Deal found 24/3£771

Cheapflights Fare Finder

Customise your flight search to find flights from San Francisco to Singapore 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 25 March 2025.
Use the filters below to find and compare flights from San Francisco to Singapore that are best for you.

Fly from

San Francisco

Fly to

Singapore

Route

Depart

Return

Price

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 30/4

10:25-18:25

Nonstop17h 00m

Singapore Changi

Tue 27/5

08:45-09:20

Nonstop15h 35m

£582

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 4/9

23:30-21:30

1 stop31h 00m

Singapore Changi

Mon 8/9

22:50-15:30

1 stop31h 40m

£604

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 10/9

22:50-12:10

1 stop22h 20m

Singapore Changi

Tue 30/9

18:25-18:40

1 stop39h 15m

£610

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 9/9

14:00-00:20

1 stop19h 20m

Singapore Changi

Mon 29/9

08:05-11:45

1 stop18h 40m

£615

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 4/9

06:05-05:00

2 stops31h 55m

Singapore Changi

Sun 7/9

01:10-19:26

2 stops33h 16m

£619

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 15/9

13:40-00:50

1 stop20h 10m

Singapore Changi

Tue 30/9

01:50-22:40

1 stop35h 50m

£646

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 12/5

01:45-17:15

1 stop24h 30m

Singapore Changi

Tue 20/5

11:05-16:35

1 stop20h 30m

£687

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 28/8

13:10-23:40

1 stop19h 30m

Singapore Changi

Sat 30/8

01:10-11:00

1 stop24h 50m

£691

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 13/5

16:45-14:25

1 stop30h 40m

Singapore Changi

Mon 19/5

03:40-20:27

2 stops55h 47m

£703

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 20/4

01:05-12:35

1 stop20h 30m

Singapore Changi

Tue 22/4

02:00-19:55

1 stop32h 55m

£719

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 27 results
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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 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 San Francisco to Singapore

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Singapore. Price data was last updated on 21 March 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Singapore, you should look to book at least 19 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £732). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,115). 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?

Find hourly flight availability from San Francisco to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 25 March 2025.

One of the essential ways to save on airfare from San Francisco to Singapore is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 29% on airfare.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 150.0 - 269.0 inches 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.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. 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 Singapore. Reviews last updated 25 March 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air and Japan Airlines from San Francisco to Singapore to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Korean Air
8.4
Very Good
1,047 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
Japan Airlines
8.3
Very Good
1,440 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
ANA
8.3
Very Good
826 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
China Airlines
8.2
Very Good
722 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Crew

9.3

Entertainment

9.0

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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?

    You will need to book a flight from San Francisco to Singapore Changi if you want to fly from San Francisco to Singapore. At least 2 different airlines have flights from San Francisco (SFO) to Changi (SIN) on a regular basis. There are 3 flights to Singapore from the San Francisco airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SFO to SIN to be around 17h 05m.

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

    The San Francisco to Singapore Changi flight path was viewed by 18 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at £582, United Airlines will fly you from San Francisco to Singapore and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Asiana Airlines and Vietnam Airlines - these airlines can fly you to your destination from £604 and £610, respectively. United Airlines is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from San Francisco to Singapore one-way?

    £279 is the cheapest one-way deal found within the past few days, from Singapore Airlines. You may also be able to find cheap deals on United Airlines and ANA, with prices starting from £318 and £334, respectively.

  • 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 £768, our data indicates the cheapest price to be £245. The most popular route (San Francisco - Singapore Changi), is priced around £614.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £732). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,115). 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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Alternative routes for San Francisco to Singapore

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Singapore flights

Top 2 airlines flying from San Francisco to Singapore

Discover the top 2 airlines that operate flights from San Francisco to Singapore. 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest£588Average£823FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
United AirlinesCheapest£629Average£968FlexibilityNo 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 San Francisco to Singapore?

Cheapflights helps you search for flights from San Francisco to Singapore via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to Singapore from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes, we can. To see specific flights from San Francisco to Singapore 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 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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