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$411+ 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 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$803
(Justfly.com)

One-way from

$411
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$1,106

Good round-trip deal

$735 or less

Good one-way deal

$378 or less
Provider with most accurate pricing for San Francisco-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Singapore Changi flights.
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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. 9% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/84:35 pmSFO - SIN
1 stop23h 30mAir Canada
Sun 6/229:10 amSIN - SFO
1 stop21h 23mAir Canada
Deal found 4/30$803
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:05 amSFO - SIN
1 stop19h 40mCathay Pacific
Sun 9/141:50 amSIN - SFO
1 stop24h 40mCathay Pacific
Deal found 4/28$806
This Gurufare deal was found by Cheapflights users on 4/29. 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 11/199:40 amSFO - SIN
Nonstop17h 25mSingapore Airlines
Wed 12/109:15 amSIN - SFO
Nonstop14h 35mSingapore Airlines
Deal found 4/29$807
This Korean Air deal was found by Cheapflights users on 4/29. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/21:40 pmSFO - SIN
2 stops63h 15mKorean Air
Thu 5/157:30 amSIN - SFO
1 stop18h 10mKorean Air
Deal found 4/29$808
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 5/810:25 amSFO - SIN
Nonstop17h 00mUnited Airlines
Fri 6/68:45 amSIN - SFO
Nonstop15h 35mUnited Airlines
Deal found 4/28$815
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 5/411:55 pmSFO - SIN
1 stop22h 25mPhilippine Airlines
Wed 5/710:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Deal found 4/29$818
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Mon 8/411:30 pmSFO - SIN
1 stop31h 00mAsiana Airlines
Fri 8/1510:50 pmSIN - SFO
1 stop32h 10mAsiana Airlines
Deal found 4/30$831
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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.
Mon 9/2912:05 pmSFO - SIN
2 stops27h 35mANA
Mon 10/611:05 amSIN - SFO
1 stop20h 25mANA
Deal found 4/29$837
This oojo deal was found by Cheapflights users on 4/30. 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.
Sat 9/2710:50 pmSFO - SIN
1 stop27h 35mVietnam Airlines
Sat 10/41:10 pmSIN - SFO
1 stop20h 30mVietnam Airlines
Deal found 4/30$842
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Thu 11/2012:00 pmSFO - SIN
1 stop25h 25mChina Eastern
Fri 11/2810:10 amSIN - SFO
1 stop38h 50mChina Eastern
Deal found 4/30$845
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/74:45 pmSFO - SIN
1 stop30h 40mMultiple Airlines
Fri 5/162:15 amSIN - SFO
1 stop25h 45mMultiple Airlines
Deal found 4/29$876
This oojo deal was found by Cheapflights users on 4/30. 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.
Tue 4/291:05 amSFO - SIN
1 stop32h 30mChina Airlines
Wed 5/71:45 pmSIN - SFO
1 stop21h 10mChina Airlines
Deal found 4/30$946

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 May 1, 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 6/8

7:40 pm-7:05 am

1 stop20h 25m

Singapore Changi

Sat 6/21

9:10 am-3:33 pm

1 stop21h 23m

$803

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 8/31

1:05 am-11:45 am

1 stop19h 40m

Singapore Changi

Sun 9/14

1:50 am-11:30 am

1 stop24h 40m

$806

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 5/12

4:20 pm-5:00 am

2 stops45h 40m

Singapore Changi

Thu 5/22

7:30 am-10:40 am

1 stop18h 10m

$808

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 5/22

12:00 pm-5:25 am

1 stop26h 25m

Singapore Changi

Thu 5/29

11:10 pm-5:48 pm

2 stops33h 38m

$813

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 8/29

11:00 am-6:25 pm

Nonstop16h 25m

Singapore Changi

Thu 9/4

8:45 am-9:15 am

Nonstop15h 30m

$815

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 9/21

1:05 pm-7:05 am

2 stops27h 00m

Singapore Changi

Sat 9/27

6:00 am-3:28 pm

3 stops24h 28m

$818

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 8/4

11:30 pm-9:30 pm

1 stop31h 00m

Singapore Changi

Fri 8/15

10:50 pm-4:00 pm

1 stop32h 10m

$831

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 8/10

1:45 am-5:15 pm

1 stop24h 30m

Singapore Changi

Mon 9/1

10:10 pm-9:30 am

1 stop26h 20m

$833

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 9/27

10:50 pm-5:25 pm

1 stop27h 35m

Singapore Changi

Sat 10/4

1:10 pm-6:40 pm

1 stop20h 30m

$842

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 9/21

11:55 pm-1:20 pm

1 stop22h 25m

Singapore Changi

Fri 9/26

12:20 am-8:50 pm

1 stop35h 30m

$856

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 30 results
1
2
3

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, 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 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 May 1, 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 11% 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 March 30, 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 May 1, 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 (2 on average).

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 May 1, 2025.
See what other customers who have flown with STARLUX Airlines, Korean Air and Japan Airlines from San Francisco to Singapore have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
STARLUX Airlines
9.1
Wonderful
161 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Korean Air
8.4
Very good
1,069 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Japan Airlines
8.3
Very good
1,464 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
ANA
8.3
Very good
852 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.
Asiana Airlines
8.2
Very good
442 reviews
STARLUX Airlines
9.1
Wonderful
161 reviews

Boarding

9.0

Food

8.9

Overall

9.1

Comfort

9.0

Entertainment

9.0

Crew

9.3

Reviews

1 / 6
10.0
Excellent

Anonymous,Apr 2025

KIX - TPE

Very pleasant experience overall, while the main course of the meal could have been better and the movies could have been more recent and with more variety. They offer blindfolds and earplugs, which are a plus.

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, 228 users have taken a look at flights from San Francisco to Singapore.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $411. However, be on the lookout for offers from Japan Airlines and Singapore 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 $1,579, our data indicates the cheapest price to be $325. The most popular route (San Francisco - Singapore Changi), is priced around $668.

  • 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

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Vietnam AirlinesCheapest$528Average$964FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$618Average$1,204FlexibilityNo cancel feeOn-time70%
China EasternCheapest$664Average$826FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$685Average$934FlexibilityNo cancel feeOn-time81%
Philippine AirlinesCheapest$686Average$817FlexibilityNo cancel feeOn-time60%
Japan AirlinesCheapest$721Average$912FlexibilityNo cancel feeOn-time79%
Air CanadaCheapest$737Average$915FlexibilityNo cancel feeOn-time67%
Asiana AirlinesCheapest$737Average$1,166FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$745Average$788FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$760Average$1,128FlexibilityNo cancel feeOn-time69%

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