Singapore

$375+ Cheap flights from San Francisco (SFO) to Singapore (SIN)

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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
Apr 1 — Apr 81
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Find cheap flights from San Francisco to Singapore with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
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Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in October or March, booked 19 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 March 27, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$725
(Air Canada)

One-way from

$375
(oojo)

Popular in

December

Cheapest in

October

Average price

$864

Good round-trip deal

$751 or less

Good one-way deal

$367 or less
Provider with most accurate pricing for San Francisco-Singapore Changi flight deals.
Provider most trusted by Cheapflights users for San Francisco-Singapore Changi flights.
From San Francisco to Singapore Changi
One-way flight from San Francisco to Singapore Changi
Highest demand for flights based on searches. 8% potential increase in price ($93 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from San Francisco to Singapore Changi.
Price to beat on a one-way flight from San Francisco to Singapore Changi.

Find flight deals from San Francisco to Singapore

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 March 27, 2025.

This Air Canada deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:40 pmSFO - SIN
2 stops36h 40mAir Canada
Sun 9/211:45 amSIN - SFO
2 stops23h 43mAir Canada
Deal found 3/26$725
This Gurufare deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1311:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
Wed 9/109:15 amSIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 3/25$729
This Gotogate deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/511:30 pmSFO - SIN
1 stop31h 00mAsiana Airlines
Thu 5/1510:50 pmSIN - SFO
1 stop31h 40mAsiana Airlines
Deal found 3/26$745
This United Airlines deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/810:55 pmSFO - SIN
Nonstop16h 20mUnited Airlines
Mon 10/208:45 amSIN - SFO
Nonstop15h 30mUnited Airlines
Deal found 3/25$753
This oojo deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/111:10 pmSFO - SIN
1 stop24h 50mKorean Air
Tue 10/211:10 amSIN - SFO
1 stop24h 30mKorean Air
Deal found 3/25$755
This Cheapflightsfares deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/101:45 amSFO - SIN
1 stop24h 30mANA
Wed 10/226:15 amSIN - SFO
1 stop19h 15mANA
Deal found 3/25$772
This oojo deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/81:40 pmSFO - SIN
1 stop20h 10mCathay Pacific
Sun 11/91:25 amSIN - SFO
1 stop30h 55mCathay Pacific
Deal found 3/26$793
This Delta deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2910:00 amSFO - SIN
2 stops22h 40mDelta
Tue 9/237:30 amSIN - SFO
2 stops26h 56mDelta
Deal found 3/26$801
This Mytrip deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/81:05 pmSFO - SIN
2 stops27h 00mMultiple Airlines
Mon 5/2611:40 pmSIN - SFO
2 stops34h 00mMultiple Airlines
Deal found 3/26$825
This Ovago deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/3010:50 pmSFO - SIN
1 stop22h 20mVietnam Airlines
Sat 9/201:10 pmSIN - SFO
1 stop20h 30mVietnam Airlines
Deal found 3/26$863
This American Airlines deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:00 pmSFO - SIN
1 stop19h 20mAmerican Airlines
Mon 10/131:55 amSIN - SFO
2 stops22h 06mAmerican Airlines
Deal found 3/26$886
This Gotogate deal was found by Cheapflights users on 3/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1712:00 pmSFO - SIN
1 stop26h 25mChina Eastern
Sun 4/2711:10 pmSIN - SFO
1 stop24h 55mChina Eastern
Deal found 3/26$888

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 27, 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 9/1

7:40 pm-11:20 pm

2 stops36h 40m

Singapore Changi

Sun 9/21

1:45 am-10:28 am

2 stops23h 43m

$725

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 8/13

11:30 am-7:10 pm

Nonstop16h 40m

Singapore Changi

Wed 9/10

9:15 am-9:40 am

Nonstop15h 25m

$729

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 5/5

11:30 pm-9:30 pm

1 stop31h 00m

Singapore Changi

Thu 5/15

10:50 pm-3:30 pm

1 stop31h 40m

$745

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 8/8

10:55 pm-6:15 am

Nonstop16h 20m

Singapore Changi

Mon 10/20

8:45 am-9:15 am

Nonstop15h 30m

$753

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 8/11

1:10 pm-5:00 am

1 stop24h 50m

Singapore Changi

Tue 10/21

1:10 am-10:40 am

1 stop24h 30m

$755

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 8/12

1:45 am-5:15 pm

1 stop24h 30m

Singapore Changi

Wed 10/22

11:05 am-4:30 pm

1 stop20h 25m

$769

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 9/8

1:40 pm-12:50 am

1 stop20h 10m

Singapore Changi

Sun 11/9

1:25 am-4:20 pm

1 stop30h 55m

$793

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 8/29

10:00 am-11:40 pm

2 stops22h 40m

Singapore Changi

Mon 9/22

7:30 am-7:26 pm

2 stops26h 56m

$801

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 5/8

1:05 pm-7:05 am

2 stops27h 00m

Singapore Changi

Mon 5/26

11:40 pm-6:40 pm

2 stops34h 00m

$825

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 8/30

10:50 pm-12:10 pm

1 stop22h 20m

Singapore Changi

Tue 9/23

6:25 pm-6:40 pm

1 stop39h 15m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 26 results
1
2
3

Compare providers for flights from San Francisco to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Singapore in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

How far ahead should I book a flight from San Francisco to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Singapore. Price data was last updated on March 21, 2025.

The best time to book flights from San Francisco to Singapore is 19 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, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $1,011). Flying from San Francisco to Singapore in December is currently the most expensive (average of $1,684). 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 March 27, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Singapore in the morning. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from San Francisco to Singapore?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Singapore. Price data was last updated on March 23, 2025.

Travelers seeking maximum savings on their San Francisco to Singapore flight should consider departing on Tuesday at noon when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Singapore by month

Plan your trip to Singapore by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Singapore ranges from 5.9 - 10.6 inches per month. December is typically the wettest month, when rainfall can reach 10.6 in. July is typically the driest time to visit Singapore when rainfall is around 5.9 in.

Temperature in Singapore by month

Plan your trip to Singapore by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Singapore, use this chart to help with planning. For those seeking warmer temperatures, March is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 78.8 F).

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 March 27, 2025.
To help decide which airline to fly from San Francisco to Singapore, see what other customers have to say about STARLUX Airlines, Korean Air and Japan Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.
8.3
Very good

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

Entertainment

9.0

Food

8.9

Overall

9.1

Boarding

9.0

Comfort

9.0

Crew

9.3

Reviews

1 / 5
10.0
Excellent

Andrew,Jan 2025

LAX - TPE

Crew were attentive from start to finish. Each meal was amazing. IFE screen was huge and had quite a bit of western movies, however the tv shows were lacking.

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?

    To fly from San Francisco to Singapore, you need to book a flight from San Francisco (SFO) to Changi (SIN). Nonstop flights to Singapore Changi from San Francisco take 16h 20m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from San Francisco to Changi offered by 15 different airlines.

  • How popular is this San Francisco to Singapore flight route?

  • What are the cheapest airlines flying from San Francisco to Singapore round-trip?

    Our cheapest airline available from San Francisco to Singapore is Air Canada. Our recent data shows that you can find tickets from as low as $725 on this airline. Additional options worth looking into are Singapore Airlines and Asiana Airlines, starting at $729 and $745 round-trip. Air Canada is priced at 31% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Francisco to Singapore one-way?

    The cheapest airline one-way is Singapore Airlines, with whom users have recently found tickets for as low as $375. However, be on the lookout for offers from Cathay Pacific and Air India, as they are both options that can get you from San Francisco to Singapore for a low price.

  • What are the cheapest flights from San Francisco to Singapore?

    While on average a flight from San Francisco to Singapore is generally $2,152, our data shows the cheapest flight currently is $313. When looking at the most popular route, (San Francisco - Singapore Changi), you can expect to pay $688 for that flight.

  • Where are the most common layover locations when flying from San Francisco to Singapore?

  • What are some popular things to do or see while on a layover in Taipei City?

    Taipei 101, Shilin Night Market, and Raohe Street Night Market are currently the most popular points of interest in Taipei City at the moment. Taipei 101, Shilin Night Market and Raohe Street Night Market are located about 21.0 mi, 18.3 mi, and 21.6 mi, respectively from Taipei City Taiwan Taoyuan Intl if you are interested in checking them out. Travelers in need of a car in Taipei City can rent one for about $83 per day.

  • What are some popular points of interest to see during a layover in Tokyo?

    If you're on a layover in Tokyo and looking for things to do, consider visiting Akihabara Electric Town, Tokyo Tower, or Tsukiji Outer Market. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Tokyo Tower, and Tsukiji Outer Market, by traveling 34.6 mi, 36.7 mi, and 35.3 mi, respectively after landing at Tokyo Narita. Those landing in Tokyo looking to spend some time exploring during their layover can rent a car for about $61 per day.

  • What are points of interest worth seeing during a layover in Hong Kong?

    The majority of Hong Kong visitors spend their time at Hong Kong Disneyland, Shatin Baptist Church, and Ocean Park. Travelers on a layover in Hong Kong can visit Hong Kong Disneyland, Shatin Baptist Church, and Ocean Park, by traveling 7.8 mi, 18.3 mi, and 16.9 mi, respectively after landing at Hong Kong Intl.

  • Where are the least popular layover locations for San Francisco to Singapore flights?

  • 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 vacation 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, September is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $1,011). Flying from San Francisco to Singapore in December is currently the most expensive (average of $1,684). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from San Francisco to Singapore

Discover the top 10 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 2,558,603 searches. Data last updated March 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$528Average$912FlexibilityNo cancel feeOn-time81%
China EasternCheapest$664Average$826FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$693Average$972FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$710Average$1,266FlexibilityNo cancel feeOn-time70%
Philippine AirlinesCheapest$731Average$822FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$737Average$1,166FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$744Average$1,166FlexibilityNo cancel feeOn-time69%
Japan AirlinesCheapest$746Average$983FlexibilityNo cancel feeOn-time79%
Korean AirCheapest$755Average$789FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$769Average$960FlexibilityNo cancel feeOn-time67%
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