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$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 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$613
(IEagle)

One-way from

$339
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$756

Good round-trip deal

$664 or less

Good one-way deal

$350 or less
From San Francisco to Singapore
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One-way flight from San Francisco to Singapore
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Highest demand for flights based on searches. 15% potential increase in price ($168 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from San Francisco to Singapore.
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Price to beat on a one-way flight from San Francisco to Singapore.
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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 September 16, 2025.

This IEagle deal was found by Cheapflights users on 9/14. 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 11/1010:30 pmSFO - SIN
2 stops28h 35mAir India
Mon 11/2411:00 pmSIN - SFO
1 stop23h 45mAir India
Deal found 9/14$613
This IEagle deal was found by Cheapflights users on 9/15. 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 11/310:30 pmSFO - SIN
1 stop28h 35mAir India
Sun 11/168:30 pmSIN - SFO
1 stop26h 15mAir India
Deal found 9/15$614
This CrystalTravel deal was found by Cheapflights users on 9/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/511:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
Thu 10/910:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 9/14$615
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:55 pmSFO - SIN
1 stop22h 25mPhilippine Airlines
Tue 10/1410:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 9/13$618
This ScholarTrip deal was found by Cheapflights users on 9/14. 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 ScholarTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2011:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
Wed 10/299:15 amSIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 9/14$619
This CheapTickets deal was found by Cheapflights users on 9/14. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:40 amSFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 11/59:15 amSIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 9/14$623
This CrystalTravel deal was found by Cheapflights users on 9/15. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:30 pmSFO - SIN
1 stop28h 40mPhilippine Airlines
Tue 11/252:10 pmSIN - SFO
1 stop21h 20mPhilippine Airlines
Deal found 9/15$626
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Wed 10/1511:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
Fri 10/249:15 amSIN - SFO
Nonstop15h 25mSingapore Airlines
Deal found 9/14$627
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/711:55 pmSFO - SIN
1 stop22h 25mPhilippine Airlines
Wed 10/152:35 pmSIN - SFO
1 stop21h 15mPhilippine Airlines
Deal found 9/15$628
This CrystalTravel deal was found by Cheapflights users on 9/14. 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 CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2111:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
Mon 9/292:35 pmSIN - SFO
1 stop21h 15mPhilippine Airlines
Deal found 9/14$629
This Flightnetwork deal was found by Cheapflights users on 9/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1811:55 pmSFO - SIN
1 stop28h 00mPhilippine Airlines
Sat 10/48:00 pmSIN - SFO
1 stop39h 50mPhilippine Airlines
Deal found 9/15$630

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 September 16, 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 2/1

10:35 pm-8:00 am

Nonstop17h 25m

Singapore Changi

Tue 2/17

10:10 am-9:05 am

Nonstop14h 55m

$641

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 9/26

10:45 am-6:25 pm

Nonstop16h 40m

Singapore Changi

Thu 10/2

11:20 am-9:30 am

1 stop37h 10m

$651

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 1/19

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Fri 1/23

10:45 am-11:12 pm

2 stops28h 27m

$661

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 1/25

12:20 am-6:55 am

1 stop38h 35m

Singapore Changi

Sun 2/8

10:45 am-3:20 pm

1 stop20h 35m

$661

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 1/19

11:40 am-12:10 am

1 stop20h 30m

Singapore Changi

Thu 1/22

1:35 am-9:30 am

1 stop23h 55m

$723

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 3/1

11:40 am-5:00 am

1 stop25h 20m

Singapore Changi

Wed 3/11

1:35 am-10:30 am

1 stop23h 55m

$723

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 11/12

3:30 pm-12:10 am

2 stops40h 40m

Singapore Changi

Tue 11/18

1:35 am-9:30 am

1 stop23h 55m

$740

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 11/22

3:30 pm-5:00 am

2 stops45h 30m

Singapore Changi

Sun 12/14

10:30 pm-9:30 am

1 stop27h 00m

$740

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 3/2

4:15 pm-5:00 am

2 stops44h 45m

Singapore Changi

Tue 3/17

10:40 am-10:30 am

1 stop38h 50m

$740

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 3/1

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Mon 3/16

10:10 am-10:05 am

Nonstop14h 55m

$759

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 19 results
1
2

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, October is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $1,002). Flying from San Francisco to Singapore in December is currently the most expensive (average of $1,665). 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 September 16, 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 at noon tend to be the most expensive. A flight in the morning could potentially save you up to 27% on airfare.

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 September 14, 2025.

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

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 September 16, 2025.

The most flights from SFO to SG0 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).

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 September 16, 2025.
Read through reviews of airlines operating flights from San Francisco to Singapore, such as EVA Air, Singapore Airlines, and Cathay Pacific. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
EVA Air
8.4
Very good
1,236 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Singapore Airlines
8.1
Very good
1,365 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Cathay Pacific
7.6
Good
993 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
United Airlines
7.4
Good
8,929 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak
Air Canada
7.1
Good
10,000 reviews
EVA Air
8.4
Very good
1,236 reviews

Crew

8.6

Food

8.1

Overall

8.4

Comfort

8.3

Boarding

8.4

Entertainment

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2025

BKK - TPE

I bought tickets for myself and my friend and had to argue with the checkin person to get our seats together for the return flights I purchased the tickets together weeks ahead of time and did not expect to have to ask for a supervisor to sit together very disappointed in booking through kayak

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?

    Within the past month, 220 users have taken a look at flights from San Francisco to Singapore.

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

    United Airlines can get you from San Francisco to Singapore in just under 16h 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 flights from San Francisco to Singapore?

    Looking for the cheapest flight from San Francisco to Singapore? While on average our users pay $1,374, our data indicates the cheapest price to be $305. The most popular route (San Francisco - Singapore Changi), is priced around $530.

  • 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, October is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $1,002). Flying from San Francisco to Singapore in December is currently the most expensive (average of $1,665). 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

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$547Average$1,304FlexibilityNo cancel feeOn-time70%
Air IndiaCheapest$588Average$671FlexibilityNo cancel feeOn-timeN/A
Philippine AirlinesCheapest$602Average$754FlexibilityNo cancel feeOn-time60%
Singapore AirlinesCheapest$605Average$849FlexibilityNo cancel feeOn-time81%
ANACheapest$654Average$995FlexibilityNo cancel feeOn-time80%
Asiana AirlinesCheapest$655Average$752FlexibilityNo cancel feeOn-time76%
China EasternCheapest$664Average$730FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$684Average$786FlexibilityNo cancel feeOn-time81%
STARLUX AirlinesCheapest$727Average$969FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$728Average$911FlexibilityNo cancel feeOn-time67%

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