Cheap flights from San Francisco to Singapore from S$ 439
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 17-1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
4 Jan — 11 Jan1
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 Wednesday or Tuesday and return on a Tuesday
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 5 December 2025.
Wed 3-1223:50SFO - SIN
1 stop30h 05mAsiana Airlines
Wed 10-1223:10SIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 2-12S$ 845
Thu 4-1211:40SFO - SIN
1 stop25h 20mKorean Air
Wed 10-1210:40SIN - SFO
1 stop38h 50mKorean Air
Deal found 2-12S$ 881
Mon 29-1214:25SFO - SIN
2 stops48h 35mAir India
Mon 23-210:30SIN - SFO
2 stops50h 20mAir India
Deal found 2-12S$ 902
Tue 30-1214:25SFO - SIN
2 stops36h 30mAir India
Tue 20-120:00SIN - SFO
2 stops34h 30mAir India
Deal found 4-12S$ 906
Wed 3-1223:50SFO - SIN
1 stop30h 05mAsiana Airlines
Tue 9-1223:10SIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 2-12S$ 920
Mon 8-1210:50SFO - SIN
Nonstop17h 25mUnited Airlines
Fri 26-1210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 1-12S$ 983
Wed 3-1210:15SFO - SIN
1 stop28h 40mUnited Airlines
Tue 9-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 2-12S$ 995
Wed 3-1211:00SFO - SIN
1 stop21h 55mUnited Airlines
Wed 10-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 2-12S$ 999
Mon 8-1207:25SFO - SIN
2 stops31h 30mUnited Airlines
Sun 28-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 1-12S$ 1,001
Mon 29-1214:25SFO - SIN
2 stops36h 30mAir India
Tue 20-120:00SIN - SFO
2 stops34h 30mAir India
Deal found 1-12S$ 1,005
Mon 8-1214:25SFO - SIN
2 stops36h 30mAir India
Sun 14-1219:40SIN - SFO
2 stops34h 50mAir India
Deal found 4-12S$ 1,013
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 5 December 2025.
Sun 18-110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 25-110:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 4-12S$ 830
Tue 3-322:50SFO - SIN
1 stop28h 15mAir India
Fri 13-310:30SIN - SFO
1 stop50h 20mAir India
Deal found 4-12S$ 860
Tue 27-100:20SFO - SIN
1 stop38h 35mUnited Airlines
Sun 15-210:10SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 2-12S$ 842
Wed 21-100:20SFO - SIN
1 stop38h 35mUnited Airlines
Thu 12-222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-12S$ 842
Sun 1-200:20SFO - SIN
1 stop38h 35mUnited Airlines
Tue 17-222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-12S$ 842
Tue 27-110:15SFO - SIN
1 stop28h 40mUnited Airlines
Sun 15-210:10SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 2-12S$ 842
Tue 13-110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Thu 29-110:45SIN - SFO
1 stop20h 35mUnited Airlines
Deal found 2-12S$ 842
Wed 28-122:35SFO - SIN
Nonstop17h 25mUnited Airlines
Wed 4-210:45SIN - SFO
1 stop20h 35mUnited Airlines
Deal found 2-12S$ 842
Sun 11-122:59SFO - SIN
2 stops39h 56mUnited Airlines
Sun 15-222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 3-12S$ 849
Wed 28-109:10SFO - SIN
2 stops29h 45mUnited Airlines
Sat 14-210:10SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 3-12S$ 849
Wed 21-107:25SFO - SIN
2 stops31h 30mUnited Airlines
Wed 28-110:45SIN - SFO
1 stop20h 35mUnited Airlines
Deal found 4-12S$ 860
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 5 December 2025.
Fri 30-110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Sun 15-222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-12S$ 830
Tue 3-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Tue 24-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-12S$ 834
Fri 13-310:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Sat 21-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 2-12S$ 838
Sat 21-310:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Fri 27-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 2-12S$ 840
Sat 11-411:30SFO - SIN
Nonstop16h 40mSingapore Airlines
Sun 3-509:15SIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 2-12S$ 846
Wed 6-511:30SFO - SIN
Nonstop16h 40mSingapore Airlines
Sun 17-509:15SIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 2-12S$ 849
Wed 25-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Fri 6-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-12S$ 859
Sun 12-411:30SFO - SIN
Nonstop16h 40mSingapore Airlines
Sat 18-409:15SIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 2-12S$ 864
Thu 7-511:30SFO - SIN
Nonstop16h 40mSingapore Airlines
Thu 21-509:15SIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 3-12S$ 869
Sun 15-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 25-209:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-12S$ 882
Fri 27-209:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Sun 8-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 2-12S$ 891
Fri 13-310:40SFO - SIN
Nonstop17h 25mSingapore Airlines
Fri 20-309:15SIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4-12S$ 893
Last-minute flights from San Francisco to Singapore
Discover last-minute flight deals from San Francisco to Singapore. Data last updated 5 December 2025 and is based on user searches.
Tue 9-1210:50SFO - SIN
Nonstop17h 25mUnited Airlines
Sun 28-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 1-12S$ 983
Tue 9-1211:00SFO - SIN
1 stop21h 55mUnited Airlines
Sat 27-1210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 1-12S$ 1,127
Tue 9-1210:50SFO - SIN
Nonstop17h 25mUnited Airlines
Mon 29-1210:10SIN - SFO
Nonstop14h 50mUnited Airlines
Deal found 1-12S$ 1,135
Tue 9-1209:10SFO - SIN
2 stops29h 45mUnited Airlines
Thu 11-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 3-12S$ 1,153
Tue 9-1210:50SFO - SIN
Nonstop17h 25mUnited Airlines
Sat 13-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 3-12S$ 1,200
Tue 9-1209:10SFO - SIN
2 stops29h 45mUnited Airlines
Fri 12-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 4-12S$ 1,218
Tue 9-1214:25SFO - SIN
2 stops48h 35mAir India
Sun 28-1219:40SIN - SFO
2 stops34h 50mAir India
Deal found 1-12S$ 1,219
Wed 10-1222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Sat 27-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 1-12S$ 1,096
Wed 10-1206:00SFO - SIN
2 stops26h 55mUnited Airlines
Fri 26-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 1-12S$ 1,118
Wed 10-1216:30SFO - SIN
2 stops48h 45mAir India
Sun 28-1219:40SIN - SFO
2 stops34h 50mAir India
Deal found 1-12S$ 1,126
Wed 10-1211:00SFO - SIN
1 stop21h 55mUnited Airlines
Sun 28-1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 1-12S$ 1,171
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 5 December 2025.
Sat 17-110:35SFO - SIN
Nonstop17h 40mUnited Airlines
Deal found 2-12S$ 439
Sun 18-122:35SFO - SIN
Nonstop17h 25mUnited Airlines
Deal found 4-12S$ 440
Fri 16-122:35SFO - SIN
Nonstop17h 25mUnited Airlines
Deal found 2-12S$ 442
Sun 1-222:35SFO - SIN
Nonstop17h 25mUnited Airlines
Deal found 2-12S$ 443
Tue 27-123:35SFO - SIN
2 stops44h 35mMultiple Airlines
Deal found 2-12S$ 444
Sun 1-223:50SFO - SIN
1 stop30h 05mAsiana Airlines
Deal found 3-12S$ 446
Wed 4-322:50SFO - SIN
2 stops42h 25mAir India
Deal found 2-12S$ 447
Wed 21-116:03SFO - SIN
2 stops36h 22mKorean Air
Deal found 2-12S$ 448
Mon 19-110:15SFO - SIN
1 stop28h 40mANA
Deal found 3-12S$ 450
Fri 30-111:40SFO - SIN
1 stop40h 45mKorean Air
Deal found 3-12S$ 451
Thu 5-322:50SFO - SIN
2 stops42h 25mAir India
Deal found 2-12S$ 453
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 5 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 200,618 searches. Data last updated 5 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
Sun 18-1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Sun 25-1
10:10-09:00
Nonstop14h 50m
S$ 830
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 27-1
00:20-06:55
1 stop38h 35m
Singapore Changi
Sun 15-2
10:10-09:05
Nonstop14h 55m
S$ 842
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 21-1
00:20-06:55
1 stop38h 35m
Singapore Changi
Thu 12-2
22:20-21:15
Nonstop14h 55m
S$ 842
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 1-2
00:20-06:55
1 stop38h 35m
Singapore Changi
Tue 17-2
22:20-21:15
Nonstop14h 55m
S$ 842
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 27-1
10:15-06:55
1 stop28h 40m
Singapore Changi
Sun 15-2
10:10-09:05
Nonstop14h 55m
S$ 842
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 13-1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Thu 29-1
10:45-15:20
1 stop20h 35m
S$ 842
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 28-1
22:35-08:00
Nonstop17h 25m
Singapore Changi
Wed 4-2
10:45-15:20
1 stop20h 35m
S$ 842
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Sun 11-1
22:59-06:55
2 stops39h 56m
Singapore Changi
Sun 15-2
22:20-21:15
Nonstop14h 55m
S$ 849
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 28-1
09:10-06:55
2 stops29h 45m
Singapore Changi
Sat 14-2
10:10-09:05
Nonstop14h 55m
S$ 849
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 3-3
22:50-19:05
1 stop28h 15m
Singapore Changi
Fri 13-3
10:30-21:50
1 stop50h 20m
S$ 860
Flights are sorted by cheapest return flights first.
Deals found on 2-12
Showing 1-10 of 23 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 28 November 2025.
The best time to book flights from San Francisco to Singapore is 86 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$ 505). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 999). 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 5 December 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 5 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 117 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 13% 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 cheapest stopover airport for flights from San Francisco to Singapore?
Average return fare for one-stop flights from San Francisco to Singapore, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Manila (MNL) is the most affordable one-stop option, with an average return flight price of S$ 804.
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 5 December 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 25m 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 17h 40m. San Francisco and Singapore are separated by a distance of 13572 km. All flights are typically direct.
What are the cheapest airlines flying from San Francisco to Singapore round-trip?
According to our current data, United Airlines (S$ 976), and Singapore Airlines (S$ 1,020) offers the cheapest pricing from San Francisco to Singapore. United Airlines is 18% 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?
The cheapest flight price from San Francisco to Singapore is S$ 439. On average you can expect to pay S$ 781. The most popular route, (San Francisco - Singapore Changi), can usually be booked for S$ 700.
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$ 505). Flying from San Francisco to Singapore in June is currently the most expensive (average of S$ 999). 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 5 December 2025.
Explore flights to Singapore departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 5 December 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 5 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 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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