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Cheap flights from San Francisco to Singapore from S$ 472

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 26-9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in October or September, booked 74 days in advance, depart on a Tuesday or Monday 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 13 June 2025.

Round-trip from

S$ 996

One-way from

S$ 472

Popular in

December

Cheapest in

October

Average price

S$ 1,617

Good round-trip deal

S$ 1,016 or less

Good one-way deal

S$ 1,120 or less
Korean Air
  • Korean Air
  • 20-8-30-8
  • 4 total stops
  • 80h 16m total
  • San Francisco to Singapore
United Airlines
  • United Airlines
  • 26-9
  • 2 total stops
  • 34h 45m total
  • San Francisco to Singapore
Highest demand for flights based on searches. 12% potential increase in price (S$ 231 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (S$ 82 potential savings vs. average return price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from San Francisco to Singapore Changi.
Price to beat on a one-way flight from San Francisco to Singapore Changi.

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 13 June 2025.

Wed 20-815:45SFO - SIN
2 stops40h 55mKorean Air
Sat 30-807:30SIN - SFO
2 stops39h 21mKorean Air
Deal found 12-6S$ 996
Tue 22-701:45SFO - SIN
1 stop32h 00mUnited Airlines
Tue 29-708:45SIN - SFO
Nonstop15h 35mUnited Airlines
Deal found 12-6S$ 1,000
Wed 1-1022:50SFO - SIN
1 stop30h 10mVietnam Airlines
Thu 16-1013:10SIN - SFO
1 stop20h 30mVietnam Airlines
Deal found 11-6S$ 1,005
Fri 11-723:30SFO - SIN
1 stop31h 00mAsiana Airlines
Sun 20-722:50SIN - SFO
1 stop32h 10mAsiana Airlines
Deal found 12-6S$ 1,007
Mon 11-801:45SFO - SIN
1 stop24h 30mANA
Sun 24-822:10SIN - SFO
1 stop33h 45mANA
Deal found 12-6S$ 1,010
Sun 12-1013:05SFO - SIN
2 stops27h 00mAir Canada
Sun 19-1001:45SIN - SFO
2 stops28h 43mAir Canada
Deal found 12-6S$ 1,020
Wed 9-723:30SFO - SIN
1 stop31h 00mMultiple Airlines
Tue 29-701:10SIN - SFO
1 stop29h 50mMultiple Airlines
Deal found 12-6S$ 1,025
Sat 30-812:00SFO - SIN
2 stops46h 30mChina Eastern
Sat 20-902:30SIN - SFO
3 stops45h 35mChina Eastern
Deal found 12-6S$ 1,027
Tue 30-901:05SFO - SIN
1 stop20h 30mChina Airlines
Tue 28-1014:15SIN - SFO
1 stop20h 35mChina Airlines
Deal found 11-6S$ 1,056
Wed 1-1000:20SFO - SIN
1 stop21h 05mCathay Pacific
Mon 13-1009:45SIN - SFO
1 stop27h 55mCathay Pacific
Deal found 12-6S$ 1,075
Sun 26-1023:25SFO - SIN
1 stop28h 25mPhilippine Airlines
Fri 14-1100:30SIN - SFO
1 stop35h 45mPhilippine Airlines
Deal found 11-6S$ 1,112
Thu 31-722:55SFO - SIN
Nonstop16h 20mLufthansa
Thu 14-808:45SIN - SFO
Nonstop15h 35mLufthansa
Deal found 11-6S$ 1,120

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 13 June 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 20-8

15:45-23:40

2 stops40h 55m

Singapore Changi

Sat 30-8

07:30-07:51

2 stops39h 21m

S$ 996

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 24-7

11:55-00:45

1 stop21h 50m

Singapore Changi

Wed 6-8

08:45-09:20

Nonstop15h 35m

S$ 997

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 22-7

01:45-00:45

1 stop32h 00m

Singapore Changi

Tue 29-7

08:45-09:20

Nonstop15h 35m

S$ 1,000

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 1-10

22:50-20:00

1 stop30h 10m

Singapore Changi

Thu 16-10

13:10-18:40

1 stop20h 30m

S$ 1,005

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 11-8

01:45-17:15

1 stop24h 30m

Singapore Changi

Sun 24-8

22:10-16:55

1 stop33h 45m

S$ 1,010

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 12-10

13:05-07:05

2 stops27h 00m

Singapore Changi

Sun 19-10

01:45-15:28

2 stops28h 43m

S$ 1,020

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 30-8

12:00-01:30

2 stops46h 30m

Singapore Changi

Sat 20-9

02:30-09:05

3 stops45h 35m

S$ 1,027

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 11-7

23:30-21:30

1 stop31h 00m

Singapore Changi

Fri 18-7

22:50-16:00

1 stop32h 10m

S$ 1,028

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 8-9

05:55-05:00

2 stops32h 05m

Singapore Changi

Sat 13-9

07:30-19:25

2 stops26h 55m

S$ 1,029

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 13-8

11:30-19:10

Nonstop16h 40m

Singapore Changi

Mon 25-8

09:15-09:40

Nonstop15h 25m

S$ 1,039

Flights are sorted by cheapest return flights first.

Deals found on 12-6

Showing 1-10 of 30 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 9 June 2025.

The best time to book flights from San Francisco to Singapore is 74 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 13 June 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 at midday, which can drop the price by up to 12% versus a flight in the morning.

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 13 June 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 13 June 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

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
8.3
Very Good
STARLUX Airlines
9.1
Wonderful

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Overall

9.1

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

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, Korean Air (S$ 996), United Airlines (S$ 1,000), and Vietnam Airlines (S$ 1,005) offers the cheapest pricing from San Francisco to Singapore. Korean Air is 21% 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 United Airlines. According to our data, you can fly for as low as S$ 472. Users have also found prices from S$ 476 and S$ 490 on Korean Air and Vietnam Airlines, respectively.

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

    The cheapest flight price from San Francisco to Singapore is S$ 496. On average you can expect to pay S$ 1,511. The most popular route, (San Francisco - Singapore Changi), can usually be booked for S$ 684.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 13 June 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 13 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestS$ 930AverageS$ 1,170FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
United AirlinesCheapestS$ 964AverageS$ 1,658FlexibilityNo 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 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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