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$421+ Cheap flights from Singapore (SIN) to San Francisco (SFO)

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
Jun 19 — Jun 261
Thu 6/19
Thu 6/26
1 adult, Economy
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Cheapflights Tip: The best prices from Singapore Changi to San Francisco are usually found in March or February, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Singapore to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to San Francisco (SFO). 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 June 14, 2025.

Round-trip from

$636
(FlightHub)

One-way from

$421
(FlightHub)

Popular in

August

Cheapest in

March

Average price

$907

Good round-trip deal

$1,013 or less

Good one-way deal

$542 or less
From Singapore Changi to San Francisco
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One-way flight from Singapore Changi to San Francisco
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Highest demand for flights based on searches. 7% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Singapore Changi to San Francisco.
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Price to beat on a one-way flight from Singapore Changi to San Francisco.
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Find flight deals from Singapore to San Francisco

Cheapest flights from Singapore to San Francisco
Explore the most affordable flight options available from Singapore to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 14, 2025.

This CheapTickets deal was found by Cheapflights users on 6/14. 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 10/110:25 amSIN - SFO
1 stop25h 25mPhilippine Airlines
Sat 10/1111:55 pmSFO - SIN
1 stop22h 25mPhilippine Airlines
Deal found 6/14$622
This Kissandfly.com deal was found by Cheapflights users on 6/12. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/181:55 amSIN - SFO
2 stops32h 07mJapan Airlines
Sat 7/510:03 amSFO - SIN
2 stops53h 07mJapan Airlines
Deal found 6/12$716
This Asiana Airlines deal was found by Cheapflights users on 6/13. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/311:10 pmSIN - SFO
1 stop31h 50mAsiana Airlines
Tue 11/1811:30 pmSFO - SIN
1 stop30h 25mAsiana Airlines
Deal found 6/13$736
This Jettzy deal was found by Cheapflights users on 6/12. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:15 amSIN - SFO
Nonstop15h 25mSingapore Airlines
Wed 9/1011:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
Deal found 6/12$740
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sat 11/2212:30 amSIN - SFO
1 stop35h 45mMultiple Airlines
Tue 11/2511:30 pmSFO - SIN
1 stop30h 25mMultiple Airlines
Deal found 6/11$745
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/299:10 amSIN - SFO
2 stops39h 16mAir Canada
Wed 8/66:46 pmSFO - SIN
2 stops45h 19mAir Canada
Deal found 6/12$772
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/151:50 amSIN - SFO
1 stop24h 40mCathay Pacific
Wed 7/91:05 amSFO - SIN
1 stop20h 20mCathay Pacific
Deal found 6/12$788
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Wed 6/1811:05 amSIN - SFO
1 stop20h 30mUnited Airlines
Mon 8/2510:55 pmSFO - SIN
Nonstop16h 20mUnited Airlines
Deal found 6/13$799
This oojo deal was found by Cheapflights users on 6/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/102:00 pmSIN - SFO
1 stop21h 30mSTARLUX Airlines
Wed 9/1712:50 amSFO - SIN
1 stop20h 50mSTARLUX Airlines
Deal found 6/14$813
This oojo deal was found by Cheapflights users on 6/13. 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 6/221:10 pmSIN - SFO
1 stop32h 35mEVA Air
Sun 6/2912:50 amSFO - SIN
1 stop20h 10mEVA Air
Deal found 6/13$832
This Jettzy deal was found by Cheapflights users on 6/14. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/282:00 amSIN - SFO
1 stop32h 55mChina Airlines
Fri 10/31:05 amSFO - SIN
1 stop20h 30mChina Airlines
Deal found 6/14$847
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/11:10 amSIN - SFO
2 stops33h 47mDelta
Wed 9/105:35 amSFO - SIN
2 stops32h 25mDelta
Deal found 6/12$871

Cheapflights Fare Finder

Customize your flight search to find flights from Singapore to San Francisco 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 June 14, 2025.
Use the filters below to find and compare flights from Singapore to San Francisco that are best for you.

Fly from

Singapore

Fly to

San Francisco

Route

Depart

Return

Price

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 10/1

10:25 am-8:50 pm

1 stop25h 25m

San Francisco

Sat 10/11

11:55 pm-1:20 pm

1 stop22h 25m

$622

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 7/14

1:55 am-10:05 am

1 stop23h 10m

San Francisco

Tue 7/29

4:25 pm-5:30 pm

2 stops34h 05m

$729

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 11/3

11:10 pm-3:00 pm

1 stop31h 50m

San Francisco

Tue 11/18

11:30 pm-9:55 pm

1 stop30h 25m

$736

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 9/2

9:15 am-9:40 am

Nonstop15h 25m

San Francisco

Wed 9/10

11:30 am-7:10 pm

Nonstop16h 40m

$740

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sat 11/22

12:30 am-8:15 pm

1 stop35h 45m

San Francisco

Tue 11/25

11:30 pm-9:55 pm

1 stop30h 25m

$745

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 7/29

9:10 am-9:26 am

2 stops39h 16m

San Francisco

Wed 8/6

6:46 pm-7:05 am

2 stops45h 19m

$772

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 6/24

1:25 pm-5:50 pm

1 stop19h 25m

San Francisco

Fri 7/4

12:05 am-11:45 am

1 stop20h 40m

$802

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 9/10

2:00 pm-8:30 pm

1 stop21h 30m

San Francisco

Wed 9/17

12:50 am-12:40 pm

1 stop20h 50m

$813

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 7/17

3:10 pm-7:20 am

1 stop31h 10m

San Francisco

Mon 7/21

1:00 am-12:00 pm

1 stop20h 00m

$832

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 10/9

2:00 am-7:55 pm

1 stop32h 55m

San Francisco

Thu 10/16

1:05 am-12:35 am

1 stop32h 30m

$833

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 27 results
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The best insider tips for Singapore to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Singapore to San Francisco trip
Airports
SIN

For a smooth departure, consider early check-in at Jewel, available up to 24 hours before your flight.

Read more about SINby Yulia Denisyuk
SFO

Use BART for a budget-friendly trip from SFO to downtown San Francisco, taking about 40 minutes.

Read more about SFOby Harriet Baskas
Our travel experts
Yulia Denisyuk

Yulia Denisyuk

Expert on SIN

Yulia Denisyuk

Yulia Denisyuk

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.

Read more
Harriet Baskas

Harriet Baskas

Expert on SFO

Harriet Baskas

Harriet Baskas

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.

Read more

Best time to book a flight from Singapore to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Singapore 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 Singapore to San Francisco

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

Use this chart to determine the optimal time to book a round-trip flight from Singapore to San Francisco. Price data was last updated on June 13, 2025.

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Singapore to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Singapore to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Singapore to San Francisco (average of $276). Flying from Singapore to San Francisco in June is currently the most expensive (average of $364). 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 SIN to SFO?

Find hourly flight availability from Singapore to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 14, 2025.

When flying from Singapore to San Francisco, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 26% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Singapore to San Francisco. Price data was last updated on June 8, 2025.

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

Weekly flight availability from Singapore to San Francisco

Explore weekly flight availability from Singapore to San Francisco. 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 June 14, 2025.

The most flights from SIN to SFO 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).

Rainfall in San Francisco by month

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

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

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

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated June 14, 2025.
Read reviews from past customers who have flown STARLUX Airlines, EVA Air and Japan Airlines from Singapore to San Francisco. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
STARLUX Airlines
9.1
Wonderful
178 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
EVA Air
8.4
Very good
1,204 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
Japan Airlines
8.3
Very good
1,494 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
China Airlines
8.3
Very good
738 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.
ANA
8.3
Very good
882 reviews
STARLUX Airlines
9.1
Wonderful
178 reviews

Overall

9.1

Boarding

9.0

Comfort

9.0

Entertainment

8.9

Food

8.8

Crew

9.3

Reviews

1 / 7
10.0
Excellent

ltulagan,Jun 2025

TPE - SEA

The whole trip was very pleasant from the crew, the food, the amenities during the flight.

Related info for your journey

Find useful and relevant information for your journey from Singapore to San Francisco. 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 Singapore to San Francisco?

    San Francisco is the airport most travelers will use when flying to San Francisco from Singapore Changi. Booking flights from Changi (SIN) to San Francisco (SFO) should be relatively easy as there are 4 daily flights to San Francisco from 6 different airlines. 14h 35m is how long a flight from Singapore to San Francisco will take if you book a nonstop flight.

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

    This flight path from Singapore Changi to San Francisco was viewed by 30 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Cheapflights users have booked flights from Singapore to San Francisco round-trip from $636. Other airlines that can offer you cheap pricing are Japan Airlines, from $716, and Singapore Airlines, from $740. You may be able to fly from Singapore to San Francisco for 30% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $421 on Philippine Airlines. Other airlines that offer cheap prices include United Airlines from $425 and Air Canada from $482 one-way.

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

    On average you can expect to pay $2,437 for a flight from Singapore to San Francisco. The cheapest flight overall is $421 while the most popular route, (Singapore Changi - San Francisco) is currently priced at $538.

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

    Flights departing from Singapore and landing in San Francisco layover in Tokyo most frequently.

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

    Most Tokyo visitors opt to spend their time experiencing Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Ueno Koen, and Tsukiji Outer Market, by traveling 34.6 mi, 34.5 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 $57 per day.

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

    Singapore to San Francisco flights that have layovers will least frequently stop in Taipei City.

  • Can I find deals for flights from Singapore to San Francisco that include hotel bookings?

    Yes. In addition to deals on Singapore to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Singapore to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to San Francisco.

  • Can I find deals for business class flights from Singapore to San Francisco?

    Yes. Cheapflights offers flight deals from Singapore to San Francisco 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 Singapore to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Singapore to San Francisco (average of $276). Flying from Singapore to San Francisco in June is currently the most expensive (average of $364). 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

Traveling to a place near Singapore?

Book flights to Singapore if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Singapore to San Francisco

Discover the top 6 airlines that operate flights from Singapore to San Francisco. 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 June 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
ANACheapest$665Average$1,146FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$729Average$923FlexibilityNo cancel feeOn-time69%
Cathay PacificCheapest$750Average$856FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$754Average$840FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$757Average$1,014FlexibilityNo cancel feeOn-time81%
EVA AirCheapest$841Average$866FlexibilityNo cancel feeOn-time74%

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