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Cheap flights from San Francisco to Singapore from S$ 518

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 7-8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
20 Apr — 27 Apr1
1 adult

Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in October or March, booked 39 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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 15 April 2025.

Round-trip from

S$ 1,009

One-way from

S$ 518

Popular in

December

Cheapest in

October

Average price

S$ 1,152
Air Canada
  • Air Canada
  • 30-9-29-10
  • 3 total stops
  • 55h 05m total
  • San Francisco to Singapore
Singapore Airlines
  • Singapore Airlines
  • 7-8
  • Nonstop
  • 16h 40m total
  • San Francisco to Singapore
Highest demand for flights based on searches. 8% potential increase in price (S$ 176 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (S$ 78 potential savings vs. average return price).
Average for round-trip flights in April 2025

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 15 April 2025.

Tue 30-907:10SFO - SIN
1 stop32h 55mAir Canada
Wed 29-1008:25SIN - SFO
2 stops22h 10mAir Canada
Deal found 13-4S$ 1,009
Mon 8-912:00SFO - SIN
2 stops32h 20mChina Eastern
Sun 9-1100:25SIN - SFO
1 stop24h 35mChina Eastern
Deal found 15-4S$ 1,018
Fri 5-923:55SFO - SIN
1 stop32h 25mPhilippine Airlines
Sun 14-920:00SIN - SFO
1 stop39h 50mPhilippine Airlines
Deal found 14-4S$ 1,025
Wed 14-500:20SFO - SIN
1 stop23h 45mCathay Pacific
Thu 22-508:00SIN - SFO
1 stop18h 15mCathay Pacific
Deal found 14-4S$ 1,028
Thu 2-1022:50SFO - SIN
1 stop22h 20mVietnam Airlines
Thu 30-1013:15SIN - SFO
1 stop19h 45mVietnam Airlines
Deal found 13-4S$ 1,030
Wed 19-1109:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 10-1209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 14-4S$ 1,031
Fri 7-1111:40SFO - SIN
1 stop20h 30mKorean Air
Mon 24-1101:30SIN - SFO
1 stop24h 00mKorean Air
Deal found 14-4S$ 1,037
Mon 29-913:30SFO - SIN
2 stops50h 35mMultiple Airlines
Mon 6-1009:45SIN - SFO
2 stops28h 14mMultiple Airlines
Deal found 14-4S$ 1,038
Sun 2-1100:20SFO - SIN
1 stop25h 15mANA
Mon 24-1106:35SIN - SFO
1 stop18h 40mANA
Deal found 14-4S$ 1,051
Fri 5-906:05SFO - SIN
2 stops31h 55mDelta
Sat 13-901:10SIN - SFO
2 stops33h 15mDelta
Deal found 14-4S$ 1,055
Tue 20-510:25SFO - SIN
Nonstop17h 00mUnited Airlines
Fri 6-620:40SIN - SFO
Nonstop15h 40mUnited Airlines
Deal found 14-4S$ 1,071
Mon 11-801:05SFO - SIN
1 stop32h 30mChina Airlines
Sun 24-813:45SIN - SFO
1 stop21h 45mChina Airlines
Deal found 15-4S$ 1,147

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 200,618 searches. Data last updated 15 April 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

Tue 30-9

07:10-07:05

1 stop32h 55m

Singapore Changi

Wed 29-10

08:25-15:35

2 stops22h 10m

S$ 1,009

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 20-9

11:30-19:10

Nonstop16h 40m

Singapore Changi

Fri 26-9

09:15-09:40

Nonstop15h 25m

S$ 1,012

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 8-9

12:00-11:20

2 stops32h 20m

Singapore Changi

Sun 9-11

00:25-09:00

1 stop24h 35m

S$ 1,018

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 5-9

23:55-23:20

1 stop32h 25m

Singapore Changi

Sun 14-9

20:00-20:50

1 stop39h 50m

S$ 1,025

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 14-5

00:20-15:05

1 stop23h 45m

Singapore Changi

Thu 22-5

08:00-11:15

1 stop18h 15m

S$ 1,028

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2-10

22:50-12:10

1 stop22h 20m

Singapore Changi

Thu 30-10

13:15-18:00

1 stop19h 45m

S$ 1,030

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 29-9

13:30-07:05

2 stops50h 35m

Singapore Changi

Mon 6-10

09:45-22:59

2 stops28h 14m

S$ 1,038

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 7-9

13:00-19:55

2 stops39h 55m

Singapore Changi

Sun 21-9

01:10-10:40

1 stop24h 30m

S$ 1,047

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 5-9

06:05-05:00

2 stops31h 55m

Singapore Changi

Sat 13-9

01:10-19:25

2 stops33h 15m

S$ 1,055

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 20-5

10:25-18:25

Nonstop17h 00m

Singapore Changi

Tue 3-6

08:45-09:20

Nonstop15h 35m

S$ 1,071

Flights are sorted by cheapest return flights first.

Deals found on 13-4

Showing 1-10 of 25 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 11 April 2025.

The best time to book flights from San Francisco to Singapore is 39 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 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 15 April 2025.

When flying from San Francisco to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 2% versus a flight at midday.

Weekly flight availability from San Francisco to Singapore

Explore weekly flight availability from San Francisco to Singapore. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 15 April 2025.

The most flights from SFO to SIN are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

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 15 April 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, Korean Air and ANA 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

Comfort

9.0

Food

8.9

Boarding

9.0

Entertainment

9.0

Overall

9.1

Crew

9.3

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

Comfort

9.0

Food

8.9

Boarding

9.0

Entertainment

9.0

Overall

9.1

Crew

9.3

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

Comfort

9.0

Food

8.9

Boarding

9.0

Entertainment

9.0

Overall

9.1

Crew

9.3

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.
8.3
Very Good
STARLUX Airlines
9.1
Wonderful

Comfort

9.0

Food

8.9

Boarding

9.0

Entertainment

9.0

Overall

9.1

Crew

9.3

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

Comfort

9.0

Food

8.9

Boarding

9.0

Entertainment

9.0

Overall

9.1

Crew

9.3

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

Comfort

9.0

Food

8.9

Boarding

9.0

Entertainment

9.0

Overall

9.1

Crew

9.3

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?

    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 4 daily flights to Singapore from 2 different airlines. 16h 20m 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?

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

    According to our current data, Air Canada (S$ 1,009), Singapore Airlines (S$ 1,012), and Philippine Airlines (S$ 1,025) offers the cheapest pricing from San Francisco to Singapore. Air Canada is 26% 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?

    For one-way options, check prices for Singapore Airlines. According to our data, you can fly for as low as S$ 518. Users have also found prices from S$ 525 and S$ 541 on Cathay Pacific and United 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 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.

See more FAQs

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Fly from San Francisco to Singapore on these airlines

Choose from the following airlines for your flight from San Francisco to Singapore. Flights are based on user searches made on Cheapflights and were last updated on 15 April 2025.

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 200,618 searches. Data last updated 15 April 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestS$ 951AverageS$ 1,733FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Singapore AirlinesCheapestS$ 961AverageS$ 1,336FlexibilityNo 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 San Francisco to Singapore?

Cheapflights makes it easy to find San Francisco to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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.

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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