Cheap flights from San Francisco to Singapore from £325

SFO — SIN
15 Dec — 22 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in September or August, booked 88 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from San Francisco to Singapore

Enter your travel dates to find the best prices.

Cheapest flights from San Francisco to Singapore

Tue 10/1122:40 -
Nonstop17h 20m
Sun 15/1122:20 -
Nonstop14h 55m
Deal found 10/11£679
Mon 16/1110:40 -
Nonstop17h 35m
Wed 2/1222:20 -
Nonstop14h 55m
Deal found 10/11£682
Mon 16/1110:20 -
1 stop28h 35m
Wed 18/1122:20 -
Nonstop14h 55m
Deal found 10/11£685
Fri 4/1210:45 -
1 stop20h 55m
Sun 20/1222:20 -
Nonstop14h 55m
Deal found 10/11£691
Mon 23/1100:20 -
1 stop38h 35m
Thu 10/1210:45 -
1 stop20h 45m
Deal found 10/11£694
Tue 8/1210:05 -
2 stops28h 50m
Tue 15/1210:45 -
1 stop20h 45m
Deal found 10/11£697
Fri 13/1122:40 -
Nonstop17h 20m
Tue 17/1122:20 -
Nonstop14h 55m
Deal found 13/11£705
Thu 26/1122:40 -
Nonstop17h 20m
Wed 2/1222:20 -
Nonstop14h 55m
Deal found 10/11£716

Find flight deals from San Francisco to Singapore

Round-trip from

£569

One-way from

£325

Popular in

December

Cheapest in

September

Average price

£629
Vietnam Airlines
  • Vietnam Airlines
  • 18/3-30/3
  • 2 total stops
  • 66h 10m total
  • San Francisco to Singapore
Cathay Pacific
  • Cathay Pacific
  • 18/1-31/12
  • 1 total stop
  • 32h 25m total
  • San Francisco to Singapore
Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£33 potential savings vs. average return price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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 San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Wed 20/1

22:55-13:00

1 stop22h 05m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£359

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Mon 15/2

11:25-11:50

1 stop32h 25m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£359
Fastest return journey

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Tue 19/1

10:35-20:15

Nonstop17h 40m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£376

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Sat 21/11

21:05-06:55

2 stops41h 50m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£377

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Fri 4/12

11:45-05:00

1 stop25h 15m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£383

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Tue 1/12

06:00-05:00

2 stops31h 00m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£385

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Fri 4/12

06:00-05:00

2 stops31h 00m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£385

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Tue 16/2

06:00-05:00

2 stops31h 00m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£385

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Mon 4/1

10:45-00:45

1 stop22h 00m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£387

San FranciscoSingapore

SFO San Francisco - SIN Singapore Changi

SFOSIN

San Francisco

Wed 24/3

06:00-05:00

2 stops32h 00m

Singapore Changi

Wed 31/12

00:00-08:30

Nonstop0h 00m

£390

Flights are sorted by cheapest return flights first.

Deals found on 10/11

Showing 1-10 of 20 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

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 87 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 £527). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,180). 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?

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?

Airfare is typical for this route at the moment.

San Francisco to Singapore flights typically cost between £542 and £822 in March.
The cheapest return price found within the last 5 days was £569 on Vietnam Airlines (18 Mar–30 Mar).

Related info for your journey

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

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

    There are many flights that can get you from San Francisco to Singapore in 20h 55m. Fly via Vietnam Airlines, Cathay Pacific, or United Airlines to get the fastest option. The distance from San Francisco to Singapore is about 8433 mi. This flight may include one or multiple stops.

  • 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 £527). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,180). 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

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Alternative routes for San Francisco to Singapore

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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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