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Cheap flights from San Francisco to Singapore from £254
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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
13 Nov — 20 Nov1
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 Thursday or Tuesday and return on a Monday
Find flight deals from San Francisco to Singapore
Cheapest flights from San Francisco to SingaporeExplore 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 14 October 2025.
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 14 October 2025.
Thu 27/1110:50SFO - SIN
Nonstop17h 25mUnited Airlines
Fri 26/1222:20SIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 14/10£481
Thu 16/1023:55SFO - SIN
1 stop28h 00mPhilippine Airlines
Wed 29/1010:35SIN - SFO
1 stop24h 55mPhilippine Airlines
Deal found 14/10£510
Thu 27/1111:40SFO - SIN
1 stop40h 45mKorean Air
Thu 4/1210:40SIN - SFO
1 stop38h 50mKorean Air
Deal found 13/10£521
Tue 11/1122:30SFO - SIN
2 stops28h 35mAir India
Tue 18/1123:00SIN - SFO
1 stop23h 45mAir India
Deal found 13/10£530
Tue 4/1111:40SFO - SIN
1 stop25h 20mKorean Air
Mon 10/1101:35SIN - SFO
1 stop23h 55mKorean Air
Deal found 14/10£542
Thu 27/1112:25SFO - SIN
2 stops40h 00mKorean Air
Sun 14/1210:40SIN - SFO
1 stop38h 50mKorean Air
Deal found 14/10£546
Tue 11/1108:38SFO - SIN
2 stops30h 22mAir Canada
Tue 18/1108:50SIN - SFO
2 stops24h 39mAir Canada
Deal found 13/10£551
Mon 10/1115:35SFO - SIN
2 stops45h 25mKorean Air
Thu 20/1101:35SIN - SFO
1 stop23h 55mKorean Air
Deal found 13/10£554
Sun 16/1112:25SFO - SIN
2 stops43h 45mKorean Air
Wed 26/1110:40SIN - SFO
2 stops36h 50mKorean Air
Deal found 14/10£562
Wed 29/1023:50SFO - SIN
1 stop31h 05mAsiana Airlines
Tue 18/1123:10SIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 12/10£564
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 14 October 2025.
Cheapflights Fare Finder
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 14 October 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 1/2
10:15-06:55
1 stop28h 40m
Singapore Changi
Tue 17/2
22:20-21:15
Nonstop14h 55m
£488
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Fri 23/1
22:59-06:55
2 stops39h 56m
Singapore Changi
Sat 7/2
10:10-09:00
Nonstop14h 50m
£491
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 12/11
11:40-05:00
1 stop25h 20m
Singapore Changi
Tue 25/11
10:40-09:30
1 stop38h 50m
£542
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 14/1
23:50-21:55
1 stop30h 05m
Singapore Changi
Wed 25/2
23:10-14:00
1 stop30h 50m
£542
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 1/12
12:25-20:25
2 stops40h 00m
Singapore Changi
Tue 16/12
01:35-09:30
1 stop23h 55m
£546
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Tue 11/11
10:50-20:15
Nonstop17h 25m
Singapore Changi
Tue 18/11
22:20-21:15
Nonstop14h 55m
£568
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 12/1
10:35-20:15
Nonstop17h 40m
Singapore Changi
Wed 25/2
10:10-09:05
Nonstop14h 55m
£569
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Fri 13/2
10:35-20:15
Nonstop17h 40m
Singapore Changi
Tue 24/2
22:20-21:15
Nonstop14h 55m
£569
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Mon 16/2
22:40-08:00
Nonstop17h 20m
Singapore Changi
Thu 19/2
22:20-21:15
Nonstop14h 55m
£569
San FranciscoSingapore
SFO - SIN
SFOSIN
San Francisco
Wed 14/1
23:50-21:55
1 stop30h 05m
Singapore Changi
Fri 20/2
23:10-14:00
1 stop30h 50m
£602
Showing 1-10 of 20 results
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
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 10 October 2025.
To ensure you get the cheapest price possible for a flight from San Francisco to Singapore, you should look to book at least 74 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 £292). Flying from San Francisco to Singapore in June is currently the most expensive (average of £577). 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 14 October 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.
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 14 October 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.
Crew
8.1
Food
6.6
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
Crew
8.1
Food
6.6
Entertainment
7.1
Boarding
7.7
Overall
7.4
Comfort
7.3
Reviews
1 / 20
4.0
OkayThomas,Mar 2025
SFO - TPE
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.
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Francisco to Singapore
See prices for flight routes from nearby airports that may be better suited for you.
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 14 October 2025.
Fly with Cheapflights
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.