Cheap flights from San Francisco to Singapore from S$ 456
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 31-1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
6 Dec — 13 Dec1
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 74 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday
Find 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 6 November 2025.
Wed 3-1222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Sat 27-1210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 2-11S$ 838
Wed 3-1211:00SFO - SIN
1 stop21h 55mUnited Airlines
Wed 24-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 3-11S$ 854
Wed 5-1122:30SFO - SIN
1 stop28h 40mPhilippine Airlines
Tue 11-1100:40SIN - SFO
1 stop34h 50mPhilippine Airlines
Deal found 4-11S$ 860
Wed 3-1223:50SFO - SIN
1 stop30h 05mAsiana Airlines
Wed 10-1223:10SIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 5-11S$ 865
Tue 4-1122:30SFO - SIN
1 stop33h 10mPhilippine Airlines
Tue 11-1120:10SIN - SFO
1 stop39h 20mPhilippine Airlines
Deal found 3-11S$ 867
Wed 3-1223:50SFO - SIN
1 stop30h 05mAsiana Airlines
Wed 17-1223:10SIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 5-11S$ 868
Tue 18-1111:40SFO - SIN
1 stop40h 45mKorean Air
Tue 25-1110:40SIN - SFO
1 stop38h 50mKorean Air
Deal found 4-11S$ 889
Tue 2-1205:45SFO - SIN
2 stops31h 15mDelta
Thu 25-1210:40SIN - SFO
2 stops23h 02mDelta
Deal found 4-11S$ 903
Sat 22-1112:25SFO - SIN
2 stops48h 35mKorean Air
Tue 25-1101:35SIN - SFO
1 stop23h 55mKorean Air
Deal found 3-11S$ 911
Mon 1-1222:50SFO - SIN
2 stops28h 15mAir India
Mon 8-1219:40SIN - SFO
2 stops34h 50mAir India
Deal found 2-11S$ 920
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 6 November 2025.
Tue 27-100:20SFO - SIN
1 stop38h 35mUnited Airlines
Wed 4-222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-11S$ 850
Sun 1-211:40SFO - SIN
1 stop40h 45mKorean Air
Mon 30-301:10SIN - SFO
1 stop24h 30mKorean Air
Deal found 5-11S$ 1,029
Fri 23-106:05SFO - SIN
2 stops26h 05mDelta
Sun 22-201:35SIN - SFO
2 stops32h 23mDelta
Deal found 3-11S$ 1,099
Sat 31-100:20SFO - SIN
1 stop38h 35mUnited Airlines
Tue 17-222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 5-11S$ 850
Mon 26-100:20SFO - SIN
1 stop38h 35mUnited Airlines
Mon 2-210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 5-11S$ 850
Mon 9-200:20SFO - SIN
1 stop38h 35mUnited Airlines
Tue 3-322:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 5-11S$ 1,004
Sun 1-210:15SFO - SIN
1 stop28h 40mUnited Airlines
Tue 31-320:40SIN - SFO
Nonstop15h 05mUnited Airlines
Deal found 5-11S$ 1,004
Sun 18-107:25SFO - SIN
2 stops25h 30mUnited Airlines
Thu 19-210:45SIN - SFO
1 stop20h 35mUnited Airlines
Deal found 4-11S$ 1,026
Mon 9-200:20SFO - SIN
1 stop38h 35mUnited Airlines
Thu 19-210:45SIN - SFO
2 stops24h 10mUnited Airlines
Deal found 5-11S$ 1,030
Sun 18-110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Wed 18-210:10SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-11S$ 1,057
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 6 November 2025.
Wed 21-109:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 18-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-11S$ 843
Sun 1-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Tue 31-309:15SIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 3-11S$ 844
Mon 19-109:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 18-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 3-11S$ 857
Tue 10-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Thu 19-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 5-11S$ 859
Mon 9-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Fri 20-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 3-11S$ 860
Sat 28-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Tue 17-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-11S$ 890
Fri 13-310:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Sat 21-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-11S$ 915
Mon 2-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Sat 14-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-11S$ 916
Tue 24-310:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 1-409:15SIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 5-11S$ 918
Thu 5-309:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Sat 14-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 3-11S$ 923
Thu 29-109:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 4-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 3-11S$ 942
Fri 23-109:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Mon 23-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 3-11S$ 946
Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 6 November 2025 and is based on user searches.
Mon 10-1110:50SFO - SIN
Nonstop17h 25mUnited Airlines
Wed 19-1122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-11S$ 992
Tue 11-1110:15SFO - SIN
1 stop28h 40mUnited Airlines
Tue 18-1110:10SIN - SFO
Nonstop15h 05mUnited Airlines
Deal found 5-11S$ 1,004
Tue 11-1122:50SFO - SIN
2 stops28h 15mAir India
Tue 18-1120:00SIN - SFO
1 stop32h 25mAir India
Deal found 5-11S$ 1,048
Tue 11-1122:30SFO - SIN
1 stop28h 40mPhilippine Airlines
Mon 17-1100:40SIN - SFO
1 stop34h 50mPhilippine Airlines
Deal found 5-11S$ 1,050
Thu 13-1107:25SFO - SIN
2 stops25h 30mUnited Airlines
Fri 21-1110:10SIN - SFO
Nonstop15h 05mUnited Airlines
Deal found 4-11S$ 1,014
Thu 13-1112:00SFO - SIN
1 stop40h 25mChina Eastern
Fri 21-1112:40SIN - SFO
2 stops36h 20mChina Eastern
Deal found 4-11S$ 1,040
Fri 14-1110:50SFO - SIN
Nonstop17h 25mUnited Airlines
Fri 21-1122:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 5-11S$ 1,057
Fri 14-1108:25SFO - SIN
2 stops40h 50mChina Eastern
Fri 21-1118:30SIN - SFO
1 stop30h 30mChina Eastern
Deal found 5-11S$ 1,067
Sat 15-1112:00SFO - SIN
1 stop25h 25mChina Eastern
Wed 26-1100:25SIN - SFO
1 stop24h 35mChina Eastern
Deal found 4-11S$ 1,027
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 6 November 2025.
Sat 31-100:20SFO - SIN
1 stop38h 35mUnited Airlines
Deal found 4-11S$ 456
Wed 4-306:05SFO - SIN
2 stops30h 55mDelta
Deal found 4-11S$ 459
Tue 13-111:00SFO - SIN
1 stop21h 55mUnited Airlines
Deal found 4-11S$ 460
Wed 21-100:20SFO - SIN
1 stop25h 15mANA
Deal found 4-11S$ 463
Mon 12-123:35SFO - SIN
3 stops44h 30mMultiple Airlines
Deal found 5-11S$ 464
Wed 3-1206:00SFO - SIN
2 stops26h 55mUnited Airlines
Deal found 4-11S$ 465
Thu 27-1123:35SFO - SIN
3 stops46h 40mMultiple Airlines
Deal found 4-11S$ 474
Sat 22-1115:35SFO - SIN
2 stops60h 50mKorean Air
Deal found 4-11S$ 477
Cheap 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 6 November 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 200,618 searches. Data last updated 6 November 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
Tue 27-1
00:20-06:55
1 stop38h 35m
Singapore Changi
Wed 4-2
22:20-21:15
Nonstop14h 55m
S$ 850
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sat 31-1
00:20-06:55
1 stop38h 35m
Singapore Changi
Tue 17-2
22:20-21:15
Nonstop14h 55m
S$ 850
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 26-1
00:20-06:55
1 stop38h 35m
Singapore Changi
Mon 2-2
10:10-09:00
Nonstop14h 50m
S$ 850
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 9-2
00:20-06:55
1 stop38h 35m
Singapore Changi
Tue 3-3
22:20-21:15
Nonstop14h 55m
S$ 1,004
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 1-2
10:15-06:55
1 stop28h 40m
Singapore Changi
Tue 31-3
20:40-20:45
Nonstop15h 05m
S$ 1,004
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 18-1
07:25-00:55
2 stops25h 30m
Singapore Changi
Thu 19-2
10:45-15:20
1 stop20h 35m
S$ 1,026
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 1-2
11:40-20:25
1 stop40h 45m
Singapore Changi
Mon 30-3
01:10-10:40
1 stop24h 30m
S$ 1,029
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 9-2
00:20-06:55
1 stop38h 35m
Singapore Changi
Thu 19-2
10:45-18:55
2 stops24h 10m
S$ 1,030
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 18-1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Wed 18-2
10:10-09:05
Nonstop14h 55m
S$ 1,057
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Fri 23-1
06:05-00:10
2 stops26h 05m
Singapore Changi
Sun 22-2
01:35-17:58
2 stops32h 23m
S$ 1,099
Flights are sorted by cheapest return flights first.
Deals found on 4-11
Showing 1-10 of 21 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
More
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 31 October 2025.
The best time to book flights from San Francisco to Singapore is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 S$ 510). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 1,008). 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 6 November 2025.
When flying from San Francisco to Singapore, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 42% versus a flight in the afternoon.
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 6 November 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 121 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, Vistara have had the lowest number of delays on this route, with just 8% of flights being delayed.
What’s the top stopover airport for flights from San Francisco to Singapore?
Share of one-stop return flights from San Francisco to Singapore chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Incheon (ICN) – chosen by Cheapflights users on 33% of one-stop itineraries from San Francisco to Singapore on Cheapflights.
What’s the fastest stopover option from San Francisco to Singapore?
Shortest average travel time for one-stop one-way flights from San Francisco to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 20h 30m.
What’s the fastest stopover option from San Francisco to Singapore?
Shortest average travel time for one-stop one-way flights from San Francisco to Singapore, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Incheon (ICN) have the shortest average one-way travel time for one-stop routes: 20h 30m.
Which airport typically offers the quickest stopover for flights from San Francisco to Singapore?
Average stopover duration for one-stop one-way flights from San Francisco to Singapore, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Tokyo (NRT) offer the fastest connection on this route, with an average stopover time of 2h 45m.
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 6 November 2025.
Get a feel of what it's like to fly with Singapore Airlines and United Airlines from San Francisco to Singapore by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Very kind staff to arrange my luggage and really appreciate all help.
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?
Singapore Changi is the airport most travellers will use when flying to Singapore from San Francisco. Booking flights from San Francisco (SFO) to Changi (SIN) should be relatively easy as there are 4 daily flights to Singapore from 2 different airlines. 16h 40m is how long a flight from San Francisco to Singapore Changi will take if you book a nonstop flight.
How popular is this San Francisco to Singapore flight route?
The San Francisco to Singapore Changi flight path was viewed by 27 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?
Departing from San Francisco to Singapore will take you 38h 35m. San Francisco and Singapore are separated by a distance of 13572 km.
What are the cheapest airlines flying from San Francisco to Singapore round-trip?
According to our current data, United Airlines (S$ 984), and Singapore Airlines (S$ 1,029) offers the cheapest pricing from San Francisco to Singapore. United Airlines is 19% 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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of S$ 510). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 1,008). 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 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.
Fly from San Francisco to Singapore on these airlines
Choose from the following airlines for your flight from San Francisco to Singapore. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Top 2 airlines flying from San Francisco to Singapore
Discover the top 2 airlines 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 200,618 searches. Data last updated 6 November 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 makes it easy to find San Francisco to Singapore flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Singapore?
Cheapflights simply makes it quick and affordable to book flights from San Francisco to Singapore by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from San Francisco to Singapore with no change fees?
Certainly. Search results for flights to Singapore from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
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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