Singapore

$339+ Cheap flights from San Francisco (SFO) to Singapore

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
Jan 13 — Jan 201
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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 December 14, 2025.

This IEagle deal was found by Cheapflights users on 12/13. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:25 pmSFO - SIN
2 stops36h 30mAir India
Thu 1/2911:00 pmSIN - SFO
1 stop29h 25mAir India
Deal found 12/13$721
This IEagle deal was found by Cheapflights users on 12/12. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:25 pmSFO - SIN
2 stops39h 20mAir India
Wed 2/48:00 pmSIN - SFO
2 stops34h 30mAir India
Deal found 12/12$753
This United Airlines deal was found by Cheapflights users on 12/12. 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 12/2910:35 amSFO - SIN
Nonstop17h 40mUnited Airlines
Wed 2/410:20 pmSIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 12/12$759
This oojo deal was found by Cheapflights users on 12/13. 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.
Sun 12/282:25 pmSFO - SIN
2 stops36h 30mAir India
Sun 2/88:20 amSIN - SFO
1 stop44h 05mAir India
Deal found 12/13$768
This United Airlines deal was found by Cheapflights users on 12/13. 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.
Tue 12/3010:35 amSFO - SIN
Nonstop17h 40mUnited Airlines
Thu 1/2910:45 amSIN - SFO
1 stop20h 35mUnited Airlines
Deal found 12/13$769

Find flight deals from San Francisco to Singapore

Keep the following information in mind while searching for San Francisco to Singapore flight deals. Data was last updated December 14, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$639
(FlightHub)

One-way from

$339
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$1,460

Good round-trip deal

$672 or less

Good one-way deal

$336 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
One-way flight from San Francisco to Singapore
Highest demand for flights based on searches. 13% potential increase in price ($136 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from San Francisco to Singapore.
Price to beat on a one-way flight from San Francisco to Singapore.

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 December 14, 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 1/26

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Mon 2/2

10:00 am-8:50 am

Nonstop14h 50m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 4/28

12:40 pm-7:55 pm

1 stop40h 15m

Singapore Changi

Fri 5/29

7:30 am-10:40 am

1 stop18h 10m

$658

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 2/13

11:40 am-5:00 am

1 stop25h 20m

Singapore Changi

Sat 2/21

1:35 am-9:30 am

1 stop23h 55m

$658

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 4/23

12:40 pm-11:40 pm

1 stop20h 00m

Singapore Changi

Tue 4/28

10:30 pm-10:40 am

1 stop27h 10m

$658

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 1/11

7:25 am-12:55 am

2 stops25h 30m

Singapore Changi

Sat 1/24

10:20 pm-9:15 pm

Nonstop14h 55m

$659

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 4/12

1:05 pm-7:55 pm

2 stops39h 50m

Singapore Changi

Wed 4/22

10:30 pm-10:40 am

1 stop27h 10m

$664

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 4/23

1:00 pm-7:55 pm

2 stops39h 55m

Singapore Changi

Mon 5/11

10:30 pm-10:40 am

1 stop27h 10m

$664

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 2/20

2:25 pm-7:00 am

1 stop48h 35m

Singapore Changi

Thu 2/26

10:30 am-8:50 pm

1 stop50h 20m

$666

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 1/27

1:35 pm-8:25 pm

2 stops62h 50m

Singapore Changi

Fri 2/6

10:30 pm-9:30 am

1 stop27h 00m

$675

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 1/4

4:30 pm-9:15 am

1 stop48h 45m

Singapore Changi

Thu 1/29

8:00 pm-12:25 pm

1 stop32h 25m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 22 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 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

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 $390). Flying from San Francisco to Singapore in June is currently the most expensive (average of $768). 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 SG?

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 December 14, 2025.

One of the essential ways to save on airfare from San Francisco to Singapore is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 26% on airfare.

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 December 14, 2025.

The most flights from SFO to SG0 are scheduled on a Monday (4 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 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 116 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 last year, Singapore Airlines have had the lowest number of delays on this route, with just 12% of flights being delayed.

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 December 14, 2025.
Read through reviews of airlines operating flights from San Francisco to Singapore, such as Asiana Airlines, Singapore Airlines, and Cathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Overall

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

Boarding

8.4

Overall

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

Boarding

8.4

Overall

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

Boarding

8.4

Overall

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

Boarding

8.4

Overall

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

Boarding

8.4

Overall

8.2

Entertainment

7.7

Comfort

8.1

Crew

8.6

Food

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

BKK - ICN

We wished that Asiana Airlines website should perform better by itself. Thanks to "Genfly" by Kayak that helped us get the tickets for us. Genfly also follow up with update flights schedule all the way. We gave Asiana Airlines "GOOD", and "Genfly" by Kayak "EXCELLENT" **** BTW...we will do it again nest time. Real passengers.

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 airport do you fly from for flights from San Francisco to Singapore?

    If you book a flight to Singapore from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

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

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

    United Airlines can get you from San Francisco to Singapore in just under 17h 40m. Your travel time will be generally consistent. There are 8433 mi between San Francisco and Singapore. Generally, flights for this route are nonstop.

  • 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 Asiana Airlines, 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?

    Looking for the cheapest flight from San Francisco to Singapore? While on average our users pay $1,400, our data indicates the cheapest price to be $277. The most popular route (San Francisco - Singapore Changi), is priced around $559.

  • 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 $390). Flying from San Francisco to Singapore in June is currently the most expensive (average of $768). 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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Alternative routes for San Francisco to Singapore

See prices for flight routes from nearby airports that may be better suited for you.

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 December 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$569Average$797FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$588Average$661FlexibilityNo cancel feeOn-timeN/A
Philippine AirlinesCheapest$602Average$671FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$642Average$993FlexibilityNo cancel feeOn-time69%
ANACheapest$654Average$1,084FlexibilityNo cancel feeOn-time80%
Asiana AirlinesCheapest$655Average$743FlexibilityNo cancel feeOn-time76%
China EasternCheapest$664Average$730FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$680Average$769FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$727Average$883FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$746Average$907FlexibilityNo cancel feeOn-time79%

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