Cheap flights from San Francisco to Singapore from £251
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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
25 Jan — 1 Feb1
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 September or October, booked 86 days in advance, depart on a Thursday or Tuesday and return on a Wednesday
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 December 2025.
Sun 28/1210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Fri 23/122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£599
Sat 27/1210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Thu 22/110:45SIN - SFO
1 stop38h 25mUnited Airlines
Deal found 25/12£606
Sun 28/1210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 8/206:35SIN - SFO
1 stop18h 40mUnited Airlines
Deal found 25/12£608
Sat 27/1210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Wed 21/110:45SIN - SFO
1 stop38h 30mUnited Airlines
Deal found 25/12£614
Sat 27/1210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Fri 23/106:35SIN - SFO
2 stops22h 59mUnited Airlines
Deal found 25/12£616
Sun 28/1215:00SFO - SIN
1 stop35h 55mAir India
Sun 8/220:00SIN - SFO
1 stop32h 25mAir India
Deal found 24/12£632
Thu 25/1216:30SFO - SIN
1 stop34h 00mAir India
Sun 11/110:30SIN - SFO
1 stop44h 00mAir India
Deal found 25/12£637
Mon 29/1215:00SFO - SIN
1 stop35h 55mAir India
Wed 21/120:00SIN - SFO
1 stop34h 30mAir India
Deal found 23/12£657
Mon 29/1215:00SFO - SIN
1 stop35h 55mAir India
Sun 11/110:30SIN - SFO
1 stop44h 00mAir India
Deal found 23/12£672
Sat 27/1210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Tue 20/122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£685
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 26 December 2025.
Mon 26/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Tue 3/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£474
Mon 26/122:35SFO - SIN
Nonstop17h 25mUnited Airlines
Mon 2/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£474
Thu 22/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Wed 28/110:45SIN - SFO
1 stop38h 25mUnited Airlines
Deal found 25/12£482
Fri 30/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Thu 5/210:45SIN - SFO
1 stop20h 35mUnited Airlines
Deal found 25/12£482
Sat 24/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Mon 2/210:55SIN - SFO
1 stop38h 15mUnited Airlines
Deal found 25/12£482
Tue 27/109:10SFO - SIN
2 stops29h 45mUnited Airlines
Sun 1/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£485
Sat 31/107:25SFO - SIN
2 stops31h 30mUnited Airlines
Mon 9/210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 24/12£485
Sat 24/122:59SFO - SIN
2 stops39h 56mUnited Airlines
Sat 31/110:45SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 24/12£485
Sun 25/109:10SFO - SIN
2 stops29h 45mUnited Airlines
Mon 2/210:00SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 25/12£485
Mon 12/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 25/106:35SIN - SFO
1 stop18h 40mUnited Airlines
Deal found 25/12£485
Fri 30/122:59SFO - SIN
2 stops39h 56mUnited Airlines
Mon 9/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£485
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 26 December 2025.
Thu 22/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 1/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£474
Mon 12/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 25/122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£476
Thu 12/210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Mon 16/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 24/12£555
Sun 1/222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Tue 31/320:40SIN - SFO
Nonstop15h 05mUnited Airlines
Deal found 25/12£562
Fri 23/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Thu 29/110:00SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 25/12£599
Sat 14/311:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sat 21/322:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£599
Mon 5/122:35SFO - SIN
Nonstop17h 25mUnited Airlines
Fri 6/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£635
Thu 12/210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 22/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 24/12£647
Wed 1/410:25SFO - SIN
Nonstop17h 10mUnited Airlines
Mon 13/420:40SIN - SFO
Nonstop15h 05mUnited Airlines
Deal found 24/12£648
Fri 13/210:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 15/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£655
Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 26 December 2025 and is based on user searches.
Mon 12/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 25/122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£476
Thu 22/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sat 31/122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£474
Thu 22/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Fri 30/106:35SIN - SFO
1 stop18h 40mUnited Airlines
Deal found 25/12£484
Thu 22/107:25SFO - SIN
2 stops25h 30mUnited Airlines
Thu 5/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£487
Fri 23/122:59SFO - SIN
2 stops39h 56mUnited Airlines
Sun 1/222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 25/12£485
Sat 24/100:20SFO - SIN
1 stop38h 35mUnited Airlines
Fri 30/110:00SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 25/12£482
Mon 26/116:03SFO - SIN
2 stops40h 07mKorean Air
Tue 3/222:30SIN - SFO
1 stop27h 00mKorean Air
Deal found 25/12£491
Wed 28/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 8/206:35SIN - SFO
1 stop18h 40mUnited Airlines
Deal found 23/12£483
Fri 30/110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Thu 5/210:45SIN - SFO
2 stops28h 27mUnited Airlines
Deal found 24/12£489
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 26 December 2025.
Sun 8/222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Deal found 25/12£251
Sun 1/222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Deal found 25/12£252
Sun 1/211:40SFO - SIN
1 stop40h 45mKorean Air
Deal found 24/12£256
Mon 12/106:00SFO - SIN
2 stops32h 55mUnited Airlines
Deal found 24/12£257
Wed 25/312:40SFO - SIN
1 stop25h 20mKorean Air
Deal found 25/12£258
Sun 18/100:20SFO - SIN
1 stop38h 35mUnited Airlines
Deal found 24/12£258
Tue 20/106:00SFO - SIN
2 stops26h 10mDelta
Deal found 24/12£260
Tue 27/111:00SFO - SIN
1 stop21h 55mUnited Airlines
Deal found 25/12£260
Tue 13/109:10SFO - SIN
2 stops29h 45mUnited Airlines
Deal found 24/12£261
Sat 17/122:59SFO - SIN
2 stops33h 56mUnited Airlines
Deal found 25/12£263
Sat 28/319:29SFO - SIN
2 stops42h 31mDelta
Deal found 25/12£268
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 December 2025.
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 December 2025.
Use the filters below to find and compare flights from San Francisco to Singapore that are best for you.
Fly from
San Francisco
Fly to
Singapore
Route
Depart
Return
Price
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 26/1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Tue 3/2
22:20-21:15
Nonstop14h 55m
£474
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 26/1
22:35-08:00
Nonstop17h 25m
Singapore Changi
Mon 2/2
22:20-21:15
Nonstop14h 55m
£474
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Thu 22/1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Wed 28/1
10:45-09:10
1 stop38h 25m
£482
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Fri 30/1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Thu 5/2
10:45-15:20
1 stop20h 35m
£482
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sat 24/1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Mon 2/2
10:55-09:10
1 stop38h 15m
£482
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 27/1
09:10-06:55
2 stops29h 45m
Singapore Changi
Sun 1/2
22:20-21:15
Nonstop14h 55m
£485
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sat 31/1
07:25-06:55
2 stops31h 30m
Singapore Changi
Mon 9/2
10:10-09:00
Nonstop14h 50m
£485
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sat 24/1
22:59-06:55
2 stops39h 56m
Singapore Changi
Sat 31/1
10:45-09:35
Nonstop14h 50m
£485
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 25/1
09:10-06:55
2 stops29h 45m
Singapore Changi
Mon 2/2
10:00-08:50
Nonstop14h 50m
£485
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 12/1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Sun 25/1
06:35-09:15
1 stop18h 40m
£485
Flights are sorted by cheapest return flights first.
Deals found on 24/12
Showing 1-10 of 22 results
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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
Prices
Airlines
Delays
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 19 December 2025.
To ensure you get the cheapest price possible for a flight from San Francisco to Singapore, you should look to book at least 86 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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £289). Flying from San Francisco to Singapore in June is currently the most expensive (average of £568). 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 December 2025.
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.
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 26 December 2025.
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 116 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?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday 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 26 December 2025.
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 17h 25m.
How popular is this San Francisco to Singapore flight route?
The San Francisco to Singapore Changi flight path was viewed by 9 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 40m. 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 £559, 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 17% 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?
Looking for the cheapest flight from San Francisco to Singapore? While on average our users pay £559, our data indicates the cheapest price to be £559. The most popular route (San Francisco - Singapore Changi), is priced around £1,407.
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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of £289). Flying from San Francisco to Singapore in June is currently the most expensive (average of £568). 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 26 December 2025.
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 December 2025.
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 858,174 searches. Data last updated 26 December 2025.
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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