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Cheap flights from San Francisco to Singapore from £277

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
11 Aug — 18 Aug1
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 79 days in advance, depart on a Wednesday or Monday and return on a Thursday

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 12 July 2026.

Tue 11/822:50
SFO
-
SIN
Nonstop16h 25m
United Airlines
Mon 31/820:35
SIN
-
SFO
Nonstop15h 45m
United Airlines
Deal found 8/7£519
Mon 3/822:50
SFO
-
SIN
Nonstop16h 25m
United Airlines
Wed 19/820:35
SIN
-
SFO
Nonstop15h 45m
United Airlines
Deal found 8/7£520
Mon 2/1110:40
SFO
-
SIN
Nonstop17h 35m
United Airlines
Sun 22/1122:20
SIN
-
SFO
Nonstop14h 55m
United Airlines
Deal found 10/7£521
Sun 6/901:10
SFO
-
SIN
1 stop38h 30m
United Airlines
Mon 14/920:35
SIN
-
SFO
Nonstop15h 30m
United Airlines
Deal found 8/7£526
Sun 1/1107:25
SFO
-
SIN
2 stops31h 30m
United Airlines
Thu 26/1122:20
SIN
-
SFO
Nonstop14h 55m
United Airlines
Deal found 10/7£527
Wed 7/1010:50
SFO
-
SIN
Nonstop16h 45m
United Airlines
Sun 25/1006:35
SIN
-
SFO
1 stop18h 40m
United Airlines
Deal found 8/7£528
Sat 17/1007:00
SFO
-
SIN
2 stops26h 45m
United Airlines
Thu 29/1010:10
SIN
-
SFO
Nonstop15h 05m
United Airlines
Deal found 7/7£529
Mon 28/907:36
SFO
-
SIN
2 stops32h 04m
United Airlines
Thu 8/1020:35
SIN
-
SFO
Nonstop15h 30m
United Airlines
Deal found 9/7£530
Fri 4/907:00
SFO
-
SIN
2 stops26h 45m
United Airlines
Sat 12/920:35
SIN
-
SFO
Nonstop15h 30m
United Airlines
Deal found 8/7£532
Sat 5/1211:00
SFO
-
SIN
1 stop27h 55m
United Airlines
Tue 15/1222:20
SIN
-
SFO
Nonstop14h 55m
United Airlines
Deal found 9/7£533
Wed 12/801:40
SFO
-
SIN
1 stop38h 00m
United Airlines
Tue 1/911:05
SIN
-
SFO
1 stop20h 25m
United Airlines
Deal found 8/7£534
Thu 17/910:50
SFO
-
SIN
Nonstop16h 45m
United Airlines
Thu 1/1011:05
SIN
-
SFO
2 stops26h 47m
United Airlines
Deal found 8/7£535

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 12 July 2026.

Round-trip from

£519

One-way from

£277

Popular in

December

Cheapest in

September

Average price

£912

Good one-way deal

£381 or less
United Airlines
  • United Airlines
  • 18/10-26/10
  • Nonstop
  • 31h 40m total
  • San Francisco to Singapore
Search Deals
United Airlines
  • United Airlines
  • 23/8
  • Nonstop
  • 16h 25m total
  • San Francisco to Singapore
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£49 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from San Francisco to Singapore Changi.
Search Deals

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 12 July 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
Fastest return journey

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 27/8

11:10-18:35

Nonstop16h 25m

Singapore Changi

Wed 2/9

20:35-21:20

Nonstop15h 45m

£519

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 3/8

22:50-06:15

Nonstop16h 25m

Singapore Changi

Tue 18/8

20:35-21:20

Nonstop15h 45m

£520

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 23/9

10:35-06:40

1 stop29h 05m

Singapore Changi

Sun 27/9

08:45-09:15

Nonstop15h 30m

£526

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 19/10

22:40-06:15

Nonstop16h 35m

Singapore Changi

Sat 24/10

11:05-16:30

1 stop20h 25m

£527

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 4/11

08:45-06:55

2 stops30h 10m

Singapore Changi

Tue 24/11

10:10-09:15

Nonstop15h 05m

£527

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 3/11

10:15-06:55

2 stops28h 40m

Singapore Changi

Mon 23/11

22:20-21:15

Nonstop14h 55m

£527

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 21/10

08:55-23:20

2 stops23h 25m

Singapore Changi

Wed 28/10

22:20-22:15

Nonstop14h 55m

£529

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 7/10

21:35-00:45

2 stops36h 10m

Singapore Changi

Mon 12/10

08:45-09:15

Nonstop15h 30m

£532

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 12/8

22:50-06:15

Nonstop16h 25m

Singapore Changi

Thu 3/9

11:05-22:55

2 stops26h 50m

£535

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 4/12

11:40-20:25

1 stop40h 45m

Singapore Changi

Sun 20/12

22:30-09:30

1 stop27h 00m

£618

Flights are sorted by cheapest return flights first.

Deals found on 11/7

Showing 1-10 of 21 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?

To ensure you get the cheapest price possible for a flight from San Francisco to Singapore, you should look to book at least 78 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, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £511). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,089). 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 12 July 2026.

When flying from San Francisco to Singapore, 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 San Francisco to Singapore?

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.

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

    The San Francisco to Singapore Changi flight path was viewed by 8 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 San Francisco to Singapore?

    There are many flights that can get you from San Francisco to Singapore in 16h 25m. Fly via United Airlines to get the fastest option. The distance from San Francisco to Singapore is about 8433 mi. All flights are typically direct.

  • 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 £381, our data indicates the cheapest price to be £381. The most popular route (San Francisco - Singapore Changi), is priced around £519.

  • 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, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £511). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,089). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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