Singapore

$338+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
Feb 25 — Mar 41
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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 September or October, booked 86 days in advance, depart on a Monday or Wednesday and return on a Friday

Cheap 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 January 26, 2026.

This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2610:35 am
SFO
-
SIN
Nonstop17h 40m
United Airlines
Fri 2/610:10 am
SIN
-
SFO
Nonstop14h 50m
United Airlines
Deal found 1/26$642
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/611:45 am
SFO
-
SIN
Nonstop16h 25m
Singapore Airlines
Mon 9/219:15 am
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Deal found 1/26$643
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/811:45 am
SFO
-
SIN
Nonstop16h 25m
Singapore Airlines
Tue 9/229:15 am
SIN
-
SFO
Nonstop15h 35m
Singapore Airlines
Deal found 1/26$644
This oojo deal was found by Cheapflights users on 1/24. 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 2/239:40 am
SFO
-
SIN
Nonstop17h 25m
Singapore Airlines
Thu 4/309:15 am
SIN
-
SFO
Nonstop14h 55m
Singapore Airlines
Deal found 1/24$645
This United Airlines deal was found by Cheapflights users on 1/24. 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.
Sun 1/2510:35 pm
SFO
-
SIN
Nonstop17h 25m
United Airlines
Sat 2/710:10 am
SIN
-
SFO
Nonstop14h 50m
United Airlines
Deal found 1/24$646
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/711:30 pm
SFO
-
SIN
1 stop31h 00m
Asiana Airlines
Wed 5/610:50 pm
SIN
-
SFO
1 stop31h 10m
Asiana Airlines
Deal found 1/25$647
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/811:30 pm
SFO
-
SIN
1 stop31h 00m
Asiana Airlines
Sat 4/2510:50 pm
SIN
-
SFO
1 stop31h 10m
Asiana Airlines
Deal found 1/26$648
This Singapore Airlines deal was found by Cheapflights users on 1/25. 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 Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2511:00 am
SFO
-
SIN
Nonstop17h 10m
Singapore Airlines
Sat 5/99:15 am
SIN
-
SFO
Nonstop14h 55m
Singapore Airlines
Deal found 1/25$649
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 1/2610:35 am
SFO
-
SIN
Nonstop17h 40m
United Airlines
Sun 2/810:20 pm
SIN
-
SFO
Nonstop14h 55m
United Airlines
Deal found 1/25$650
This Asiana Airlines deal was found by Cheapflights users on 1/23. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1711:50 pm
SFO
-
SIN
1 stop30h 05m
Asiana Airlines
Sun 3/811:10 pm
SIN
-
SFO
1 stop30h 50m
Asiana Airlines
Deal found 1/23$651
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/2611:00 am
SFO
-
SIN
1 stop21h 55m
ANA
Mon 2/210:20 pm
SIN
-
SFO
1 stop26h 50m
ANA
Deal found 1/26$654

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$642
(United Airlines)

One-way from

$338
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$764

Good round-trip deal

$758 or less

Good one-way deal

$339 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. 11% potential increase in price ($117 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Average for round-trip flights in January 2026
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.

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 January 26, 2026.
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 2/9

9:23 pm-12:55 am

2 stops35h 32m

Singapore Changi

Thu 2/12

10:20 pm-9:15 pm

Nonstop14h 55m

$659

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 2/9

9:23 pm-12:55 am

2 stops35h 32m

Singapore Changi

Fri 2/13

10:10 am-8:55 am

Nonstop14h 45m

$659

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 5/20

11:30 pm-9:30 pm

1 stop31h 00m

Singapore Changi

Sun 5/24

10:50 pm-3:00 pm

1 stop31h 10m

$660

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 3/17

12:40 pm-5:00 am

1 stop25h 20m

Singapore Changi

Thu 3/26

1:35 am-10:30 am

1 stop23h 55m

$660

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 5/20

11:30 pm-9:30 pm

1 stop31h 00m

Singapore Changi

Mon 5/25

10:50 pm-3:00 pm

1 stop31h 10m

$660

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 5/20

11:30 pm-9:30 pm

1 stop31h 00m

Singapore Changi

Tue 5/26

10:50 pm-3:00 pm

1 stop31h 10m

$690

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 2/17

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Thu 2/19

10:10 am-9:05 am

Nonstop14h 55m

$760

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 2/5

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Tue 3/10

10:10 am-10:05 am

Nonstop14h 55m

$760

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 2/9

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Thu 3/19

10:20 pm-10:15 pm

Nonstop14h 55m

$760

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 2/23

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Tue 3/10

10:20 pm-10:15 pm

Nonstop14h 55m

$760

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/24

Showing 1-10 of 23 results
1
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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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
MytripPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice 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 January 23, 2026.

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 $389). Flying from San Francisco to Singapore in June is currently the most expensive (average of $760). 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 January 26, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Singapore as you normally would.

The best insider tips for San Francisco to Singapore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Singapore trip
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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 January 26, 2026.
See what other customers who have flown with Asiana Airlines, Singapore Airlines, and Cathay Pacific from San Francisco to Singapore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.3

Food

8.0

Entertainment

7.7

Comfort

8.0

Overall

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Boarding

8.3

Food

8.0

Entertainment

7.7

Comfort

8.0

Overall

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Boarding

8.3

Food

8.0

Entertainment

7.7

Comfort

8.0

Overall

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Boarding

8.3

Food

8.0

Entertainment

7.7

Comfort

8.0

Overall

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Boarding

8.3

Food

8.0

Entertainment

7.7

Comfort

8.0

Overall

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

Boarding

8.3

Food

8.0

Entertainment

7.7

Comfort

8.0

Overall

8.1

Crew

8.5

Reviews

1 / 20
2.0
Mediocre

Derek,Dec 2025

NRT - ICN

This was a terrible flight. Uncomfortable, incredibly hot in the plane. Will never fly with this airline again.

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 25m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from San Francisco to Changi offered by 14 different airlines.

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

  • How long is the flight from San Francisco to Singapore?

    United Airlines, Asiana Airlines, and Korean Air can get you from San Francisco to Singapore in just under 25h 20m. Your travel time can differ by up to 10h 12m. There are 8433 mi between San Francisco and Singapore. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from San Francisco to Singapore is China Airlines. Our recent data shows that you can find tickets from as low as $466 on this airline. Additional options worth looking into are Singapore Airlines and Air India, starting at $567 and $588 round-trip. China Airlines is priced at 48% 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 $278. However, be on the lookout for offers from Philippine Airlines 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 $1,714, our data shows the cheapest flight currently is $198. When looking at the most popular route, (San Francisco - Singapore Changi), you can expect to pay $521 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 Tokyo?

    Akihabara Electric Town, Tsukiji Outer Market, and Tokyo Tower are currently the most popular points of interest in Tokyo at the moment. Akihabara Electric Town, Tsukiji Outer Market and Tokyo Tower are located about 34.6 mi, 35.3 mi, and 36.7 mi, respectively from Tokyo Narita if you are interested in checking them out. Travelers in need of a car in Tokyo can rent one for about $57 per day.

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

    If you're on a layover in Hong Kong and looking for things to do, consider visiting Hong Kong Disneyland, Shatin Baptist Church, or Fa Yeun Street Market. Travelers on a layover in Hong Kong can visit Hong Kong Disneyland, Shatin Baptist Church, and Fa Yeun Street Market, by traveling 7.8 mi, 18.3 mi, and 16.2 mi, respectively after landing at Hong Kong Intl.

  • What are points of interest worth seeing during a layover in Taipei City?

    The majority of Taipei City visitors spend their time at Taipei 101, Shilin Night Market, and Raohe Street Night Market. Travelers on a layover in Taipei City can visit Taipei 101, Shilin Night Market, and Raohe Street Night Market, by traveling 21.0 mi, 18.3 mi, and 21.6 mi, respectively after landing at Taipei City Taiwan Taoyuan Intl. Travelers can book a car rental at Taipei City Taiwan Taoyuan Intl for about $77 per day to make their sightseeing more efficient.

  • 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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $389). Flying from San Francisco to Singapore in June is currently the most expensive (average of $760). 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 January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$466Average$2,216FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$567Average$785FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$579Average$661FlexibilityNo cancel feeOn-timeN/A
Philippine AirlinesCheapest$602Average$667FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$603Average$716FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$641Average$988FlexibilityNo cancel feeOn-time69%
Korean AirCheapest$650Average$722FlexibilityNo cancel feeOn-time81%
ANACheapest$652Average$914FlexibilityNo cancel feeOn-time80%
China EasternCheapest$664Average$734FlexibilityNo cancel feeOn-time62%
Air CanadaCheapest$726Average$885FlexibilityNo cancel feeOn-time67%

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