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Cheap flights from San Francisco to Singapore from £323

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 17/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
26 Jul — 2 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 Friday

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 26 June 2026.

Sat 15/818:45
SFO
-
SIN
2 stops44h 55m
United Airlines
Tue 18/820:35
SIN
-
SFO
Nonstop15h 45m
United Airlines
Deal found 26/6£614
Thu 22/1010:50
SFO
-
SIN
Nonstop16h 45m
United Airlines
Mon 26/1010:45
SIN
-
SFO
1 stop20h 35m
United Airlines
Deal found 25/6£621
Sat 15/819:49
SFO
-
SIN
2 stops43h 51m
United Airlines
Wed 19/806:15
SIN
-
SFO
1 stop19h 40m
United Airlines
Deal found 26/6£623
Thu 29/1012:40
SFO
-
SIN
1 stop25h 20m
Korean Air
Mon 14/1210:40
SIN
-
SFO
1 stop38h 50m
Korean Air
Deal found 26/6£624
Thu 20/812:00
SFO
-
SIN
1 stop26h 25m
China Eastern
Sat 5/914:15
SIN
-
SFO
2 stops57h 50m
China Eastern
Deal found 26/6£626
Tue 29/916:59
SFO
-
SIN
2 stops45h 01m
Korean Air
Thu 8/1007:30
SIN
-
SFO
1 stop18h 10m
Korean Air
Deal found 25/6£628
Thu 3/912:00
SFO
-
SIN
2 stops32h 40m
China Eastern
Tue 8/912:40
SIN
-
SFO
3 stops59h 25m
China Eastern
Deal found 25/6£632
Sat 22/806:20
SFO
-
SIN
2 stops31h 40m
Delta
Thu 3/907:30
SIN
-
SFO
2 stops29h 29m
Delta
Deal found 26/6£632
Sat 26/913:38
SFO
-
SIN
2 stops48h 22m
Delta
Mon 5/1007:30
SIN
-
SFO
2 stops24h 28m
Delta
Deal found 25/6£636
Tue 29/914:30
SFO
-
SIN
2 stops42h 25m
Korean Air
Sun 11/1007:30
SIN
-
SFO
2 stops39h 55m
Korean Air
Deal found 25/6£640
Sat 15/814:00
SFO
-
SIN
2 stops42h 55m
Delta
Thu 20/822:00
SIN
-
SFO
2 stops50h 36m
Delta
Deal found 26/6£641
Sat 26/914:15
SFO
-
SIN
2 stops42h 40m
Korean Air
Thu 8/1001:25
SIN
-
SFO
2 stops46h 00m
Korean Air
Deal found 25/6£645

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 26 June 2026.

Round-trip from

£614

One-way from

£323

Popular in

December

Cheapest in

September

Average price

£950

Good round-trip deal

£724 or less
United Airlines
  • United Airlines
  • 15/8-19/8
  • 2 total stops
  • 60h 40m total
  • San Francisco to Singapore
Search Deals
Korean Air
  • Korean Air
  • 17/9
  • 2 total stops
  • 42h 40m total
  • San Francisco to Singapore
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£54 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip 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 26 June 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

Fri 25/9

10:50-18:35

Nonstop16h 45m

Singapore Changi

Mon 28/9

20:35-21:05

Nonstop15h 30m

£700

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 2/10

10:50-18:35

Nonstop16h 45m

Singapore Changi

Fri 23/10

06:15-10:30

1 stop19h 15m

£708

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 2/10

10:50-18:35

Nonstop16h 45m

Singapore Changi

Thu 22/10

20:35-21:05

Nonstop15h 30m

£733

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 16/10

22:45-06:40

2 stops40h 55m

Singapore Changi

Sat 31/10

06:35-23:05

2 stops31h 30m

£735

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 7/10

06:05-05:00

2 stops31h 55m

Singapore Changi

Mon 12/10

22:00-10:40

1 stop27h 40m

£739

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 3/11

06:05-05:00

2 stops30h 55m

Singapore Changi

Mon 16/11

01:35-16:02

2 stops30h 27m

£742

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 10/11

06:05-05:00

2 stops30h 55m

Singapore Changi

Sun 15/11

22:30-20:02

2 stops37h 32m

£746

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 19/11

10:40-20:15

Nonstop17h 35m

Singapore Changi

Sun 20/12

22:20-21:15

Nonstop14h 55m

£824
Fastest return journey

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 21/7

22:50-06:15

Nonstop16h 25m

Singapore Changi

Tue 28/7

08:45-09:30

Nonstop15h 45m

£854

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 15/7

11:10-18:35

Nonstop16h 25m

Singapore Changi

Wed 29/7

08:45-09:30

Nonstop15h 45m

£854

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 23 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 £500). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,090). 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 26 June 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 45m. Fly via United Airlines or Delta to get the fastest option. The distance from San Francisco to Singapore is about 8433 mi. This flight may include one or multiple stops.

  • 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 £872, our data indicates the cheapest price to be £560. The most popular route (San Francisco - Singapore Changi), is priced around £528.

  • 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 £500). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,090). 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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