Cheap flights from San Francisco to Singapore from £278
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
20 Oct — 27 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in August or September, booked 79 days in advance, depart on a Thursday 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
Best
Direct
Last-minute
One-way
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 20 September 2026.
Thu 17/910:40 -
Nonstop16h 55m
Wed 30/908:45 -
Nonstop15h 30m
Deal found 16/9£520
Tue 24/1110:40 -
Nonstop17h 35m
Tue 8/1222:20 -
Nonstop14h 55m
Deal found 17/9£520
Mon 30/1110:40 -
Nonstop17h 35m
Tue 20/420:35 -
Nonstop15h 10m
Deal found 16/9£523
Sun 11/1022:40 -
Nonstop16h 35m
Mon 26/1010:45 -
1 stop20h 45m
Deal found 18/9£526
Sat 28/1100:20 -
1 stop38h 35m
Sun 6/1210:10 -
Nonstop15h 05m
Deal found 18/9£527
Wed 2/1200:20 -
1 stop38h 35m
Tue 8/1222:20 -
Nonstop14h 55m
Deal found 15/9£528
Tue 13/1022:40 -
Nonstop16h 35m
Tue 20/1011:05 -
1 stop37h 30m
Deal found 16/9£528
Tue 1/1211:05 -
1 stop21h 50m
Wed 23/1210:10 -
Nonstop15h 00m
Deal found 16/9£529
Wed 25/1107:00 -
2 stops25h 55m
Wed 2/1210:10 -
Nonstop15h 05m
Deal found 19/9£530
Best flights from San Francisco to Singapore
Discover carefully curated flight deals from San Francisco to Singapore that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.
Tue 24/1110:40 -
Nonstop17h 35m
Mon 14/1222:20 -
Nonstop14h 55m
Deal found 14/9£520
Wed 3/311:45 -
1 stop40h 40m
Sat 13/310:30 -
2 stops38h 21m
Deal found 16/9£628
Wed 27/113:35 -
2 stops42h 40m
Sun 14/201:40 -
2 stops34h 20m
Deal found 15/9£628
Fri 22/100:20 -
1 stop38h 35m
Mon 15/210:10 -
Nonstop14h 50m
Deal found 16/9£527
Sat 30/111:05 -
1 stop21h 50m
Fri 19/210:10 -
Nonstop14h 50m
Deal found 18/9£529
Wed 27/111:45 -
1 stop40h 40m
Tue 9/201:40 -
2 stops46h 45m
Deal found 15/9£628
Thu 4/311:05 -
1 stop20h 35m
Fri 12/310:10 -
Nonstop14h 50m
Deal found 16/9£529
Tue 16/313:05 -
2 stops44h 10m
Sun 28/301:25 -
2 stops47h 26m
Deal found 18/9£632
Tue 10/1108:45 -
2 stops22h 55m
Sun 15/1122:20 -
Nonstop14h 55m
Deal found 17/9£533
Sun 22/1122:50 -
2 stops34h 05m
Fri 4/1210:10 -
Nonstop15h 05m
Deal found 16/9£533
Fri 13/1121:20 -
2 stops41h 35m
Sat 21/1110:10 -
Nonstop15h 05m
Deal found 15/9£539
Thu 11/312:19 -
2 stops26h 36m
Mon 29/306:15 -
2 stops40h 20m
Deal found 18/9£553
Direct flights from San Francisco to Singapore
Explore direct flight options from San Francisco to Singapore based on user searches, and compare prices and availability for your desired travel dates. Data last updated 20 September 2026.
Sun 11/1022:40 -
Nonstop16h 35m
Mon 26/1022:20 -
Nonstop14h 55m
Deal found 17/9£520
Tue 24/1110:40 -
Nonstop17h 35m
Tue 8/1222:20 -
Nonstop14h 55m
Deal found 17/9£520
Mon 8/310:35 -
Nonstop17h 40m
Wed 7/409:00 -
Nonstop15h 10m
Deal found 16/9£523
Tue 8/1210:40 -
Nonstop17h 35m
Wed 23/1210:10 -
Nonstop15h 00m
Deal found 18/9£606
Thu 15/1010:40 -
Nonstop16h 55m
Thu 22/1020:35 -
Nonstop15h 30m
Deal found 17/9£617
Sun 8/1110:40 -
Nonstop17h 35m
Wed 18/1122:20 -
Nonstop14h 55m
Deal found 16/9£617
Fri 6/1110:40 -
Nonstop17h 35m
Sun 15/1122:20 -
Nonstop14h 55m
Deal found 18/9£624
Sat 30/109:40 -
Nonstop17h 25m
Fri 19/209:05 -
Nonstop14h 45m
Deal found 18/9£667
Wed 9/1210:40 -
Nonstop17h 35m
Sat 26/1210:10 -
Nonstop15h 00m
Deal found 17/9£673
Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 20 September 2026 and is based on user searches.
Sun 20/910:40 -
Nonstop16h 55m
Sat 3/1020:35 -
Nonstop15h 30m
Deal found 17/9£520
Tue 22/910:35 -
1 stop29h 05m
Wed 14/1020:35 -
Nonstop15h 30m
Deal found 16/9£527
Tue 22/910:35 -
1 stop29h 05m
Tue 29/908:45 -
Nonstop15h 30m
Deal found 15/9£528
Sun 11/1022:40 -
Nonstop16h 35m
Mon 26/1010:45 -
1 stop20h 45m
Deal found 18/9£526
Tue 13/1022:40 -
Nonstop16h 35m
Tue 20/1011:05 -
1 stop37h 30m
Deal found 16/9£528
Mon 19/1006:00 -
2 stops33h 40m
Fri 25/1222:20 -
Nonstop14h 55m
Deal found 16/9£531
Tue 20/1011:55 -
1 stop21h 50m
Tue 24/1122:20 -
Nonstop14h 55m
Deal found 15/9£530
Thu 22/1010:40 -
Nonstop16h 55m
Thu 29/1022:20 -
Nonstop14h 55m
Deal found 17/9£520
Sat 24/1022:50 -
2 stops33h 50m
Tue 10/1110:10 -
Nonstop15h 05m
Deal found 16/9£533
One-way flights from San Francisco to Singapore
Search for one-way flight options from San Francisco to Singapore. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.
Mon 12/1022:40 -
Nonstop16h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£278
Sun 17/110:20 -
1 stop28h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£284
Tue 13/1010:05 -
2 stops29h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 19/9£285
Tue 10/1110:45 -
1 stop20h 55m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£287
Sat 16/111:05 -
1 stop20h 35m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£287
Mon 23/1122:50 -
2 stops40h 05m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£288
Sun 18/1006:00 -
2 stops27h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 16/9£290
Mon 15/222:44 -
2 stops40h 11m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£294
Sat 3/1007:00 -
2 stops32h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 15/9£296
Fri 13/1118:30 -
2 stops44h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 17/9£296
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 20 September 2026.
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 7,457,451 searches. Data last updated 20 September 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 San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Wed 3/3
10:35-20:15
Nonstop17h 40m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£278
Fastest return journey
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Sun 25/10
22:40-07:00
Nonstop17h 20m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£278
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Sun 17/1
10:20-06:55
1 stop28h 35m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£284
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Sun 31/1
00:20-06:55
1 stop38h 35m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£284
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Tue 12/1
10:20-06:55
1 stop28h 35m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£284
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Mon 1/3
00:20-06:55
1 stop38h 35m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£284
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Mon 11/1
07:25-06:55
2 stops31h 30m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£288
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Mon 18/1
07:15-06:55
2 stops31h 40m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£288
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Tue 26/1
08:45-06:55
2 stops30h 10m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£288
San FranciscoSingapore
SFO San Francisco - SIN Singapore Changi
SFOSIN
San Francisco
Wed 13/1
07:25-06:55
2 stops31h 30m
Singapore Changi
Wed 31/12
00:00-08:30
Nonstop0h 00m
£288
Flights are sorted by cheapest return flights first.
Deals found on 16/9
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.
SFO-SIN
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
Prices
Airlines
Delays
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, August is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £520). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,133). 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 20 September 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?
Airfare is typical for this route at the moment.
San Francisco to Singapore flights typically cost between £502 and £628 in October.The cheapest return price found within the last 5 days was £520 on United Airlines (11 Oct–26 Oct).
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 20 September 2026.
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).
How often are flights from San Francisco to Singapore delayed?
About 17% of weekly flights between San Francisco and Singapore have experienced delays in the past year, with the average delay time being 146 minutes.
What is the most punctual flight time for San Francisco to Singapore flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Friday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Singapore flights?
Over the past year, Singapore Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.
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 20 September 2026.
Read reviews from past customers who have flown with United Airlines
from San Francisco to Singapore. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
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?
You will need to book a flight from San Francisco to Singapore Changi if you want to fly from San Francisco to Singapore. At least 1 airline has flights from San Francisco (SFO) to Changi (SIN) on a regular basis. There are 4 flights to Singapore from the San Francisco airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SFO to SIN to be around 16h 35m.
How popular is this San Francisco to Singapore flight route?
The San Francisco to Singapore Changi flight path was viewed by 7 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 17h 35m. 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 is the cheapest airline to fly from San Francisco to Singapore round-trip?
Currently priced at £520, United Airlines will fly you from San Francisco to Singapore and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is 25% cheaper than the average price of flights available within the next 90 days to this destination.
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 £520). Flying from San Francisco to Singapore in December is currently the most expensive (average of £1,133). 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.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 20 September 2026.
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 September 2026.
Top airline flying from San Francisco to Singapore
Discover the top airline 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 7,457,451 searches. Data last updated 20 September 2026.
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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