Cheap flights from San Francisco to Singapore from S$ 395

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 8-9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
14 Apr — 21 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in September or February, booked 88 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Cheap flight deals from San Francisco to Singapore

Enter your travel dates to find the best prices.

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 March 2026.

Mon 5-1011:45
SFO
-
SIN
Nonstop16h 25m
Singapore Airlines
Sun 11-1009:15
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Deal found 15-3S$ 795
Sat 26-900:30
SFO
-
SIN
1 stop21h 45m
Philippine Airlines
Wed 4-1114:30
SIN
-
SFO
1 stop22h 40m
Philippine Airlines
Deal found 12-3S$ 796
Sun 30-800:30
SFO
-
SIN
1 stop32h 05m
Philippine Airlines
Wed 30-914:30
SIN
-
SFO
1 stop21h 40m
Philippine Airlines
Deal found 14-3S$ 805
Wed 30-900:30
SFO
-
SIN
1 stop21h 45m
Philippine Airlines
Thu 15-1010:05
SIN
-
SFO
1 stop26h 05m
Philippine Airlines
Deal found 15-3S$ 806
Tue 11-800:30
SFO
-
SIN
1 stop32h 05m
Philippine Airlines
Wed 9-914:30
SIN
-
SFO
1 stop21h 40m
Philippine Airlines
Deal found 15-3S$ 809
Sat 29-800:30
SFO
-
SIN
1 stop21h 45m
Philippine Airlines
Sun 6-910:05
SIN
-
SFO
1 stop26h 05m
Philippine Airlines
Deal found 14-3S$ 810
Mon 31-800:30
SFO
-
SIN
1 stop21h 45m
Philippine Airlines
Tue 15-914:30
SIN
-
SFO
1 stop21h 40m
Philippine Airlines
Deal found 15-3S$ 813
Sun 13-900:30
SFO
-
SIN
1 stop27h 25m
Philippine Airlines
Thu 24-910:05
SIN
-
SFO
1 stop26h 05m
Philippine Airlines
Deal found 13-3S$ 814
Mon 31-811:45
SFO
-
SIN
Nonstop16h 25m
Singapore Airlines
Thu 1-1009:15
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Deal found 14-3S$ 822
Tue 25-823:50
SFO
-
SIN
1 stop30h 40m
Asiana Airlines
Mon 31-822:50
SIN
-
SFO
1 stop31h 30m
Asiana Airlines
Deal found 13-3S$ 828
Wed 30-914:00
SFO
-
SIN
1 stop24h 15m
Singapore Airlines
Wed 14-1009:15
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Deal found 11-3S$ 836

Find 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 March 2026.

Round-trip from

S$ 805

One-way from

S$ 395

Popular in

December

Cheapest in

September

Average price

S$ 1,026

Good round-trip deal

S$ 691 or less

Good one-way deal

S$ 359 or less
Philippine Airlines
  • Philippine Airlines
  • 30-8-30-9
  • 2 total stops
  • 53h 45m total
  • San Francisco to Singapore
Philippine Airlines
  • Philippine Airlines
  • 8-9
  • 1 total stop
  • 32h 05m total
  • San Francisco to Singapore
Highest demand for flights based on searches. 12% potential increase in price (S$ 203 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (S$ 87 potential savings vs. average return price).
Average for round-trip flights in March 2026
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.

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 6-4

22:40-06:45

Nonstop17h 05m

Singapore Changi

Mon 20-4

20:35-20:45

Nonstop15h 10m

S$ 1,136

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 18-5

10:25-18:35

Nonstop17h 10m

Singapore Changi

Mon 1-6

08:45-09:30

Nonstop15h 45m

S$ 1,136

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 17-5

10:25-18:35

Nonstop17h 10m

Singapore Changi

Fri 29-5

20:35-21:20

Nonstop15h 45m

S$ 1,183
Fastest return journey

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 27-5

11:10-18:35

Nonstop16h 25m

Singapore Changi

Tue 9-6

08:45-09:30

Nonstop15h 45m

S$ 1,216

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 28-5

07:05-00:45

2 stops26h 40m

Singapore Changi

Wed 10-6

08:45-09:30

Nonstop15h 45m

S$ 1,350

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 31-3

06:00-05:00

2 stops32h 00m

Singapore Changi

Mon 13-4

22:00-19:20

2 stops36h 20m

S$ 1,437

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 25-4

05:40-05:00

2 stops32h 20m

Singapore Changi

Sat 9-5

07:30-00:05

2 stops31h 35m

S$ 1,449

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 22-7

01:40-06:40

1 stop38h 00m

Singapore Changi

Thu 13-8

08:45-09:30

Nonstop15h 45m

S$ 1,458

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 15-4

07:05-09:40

2 stops35h 35m

Singapore Changi

Thu 30-4

21:00-14:27

2 stops32h 27m

S$ 1,463

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 16-5

22:40-06:45

Nonstop17h 05m

Singapore Changi

Sat 30-5

20:35-21:20

Nonstop15h 45m

S$ 1,495

Flights are sorted by cheapest return flights first.

Deals found on 15-3

Showing 1-10 of 24 resultsSorted by cheapest first
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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 13 March 2026.

The best time to book flights from San Francisco to Singapore is 88 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 month to book a flight from San Francisco to Singapore?

Currently, August is the cheapest month in which you can book a flight from San Francisco to Singapore (average of S$ 668). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 973). 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 15 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Singapore as you normally would.

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 March 2026.
Get a feel of what it's like to fly with Singapore Airlines and United Airlines from San Francisco to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Entertainment

8.0

Overall

8.2

Boarding

8.3

Comfort

8.0

Food

7.8

Crew

8.6

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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 25m 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?

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

    Departing from San Francisco to Singapore will take you 17h 05m. San Francisco and Singapore are separated by a distance of 13572 km. All flights are typically direct.

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

    According to our current data, Singapore Airlines (S$ 667), and United Airlines (S$ 1,002) offers the cheapest pricing from San Francisco to Singapore. Singapore Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest flight price from San Francisco to Singapore is S$ 359. On average you can expect to pay S$ 622. The most popular route, (San Francisco - Singapore Changi), can usually be booked for S$ 653.

  • 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, August is the cheapest month in which you can book a flight from San Francisco to Singapore (average of S$ 668). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 973). 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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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 March 2026.

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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestS$ 667AverageS$ 1,375FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
United AirlinesCheapestS$ 1,002AverageS$ 1,605FlexibilityNo 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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