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$425+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SFO
Jul 6 — Jul 131
Sun 7/6
Sun 7/13
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 Tuesday or Wednesday 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 July 1, 2025.

Round-trip from

$565
(Japan Airlines)

One-way from

$425
(Air Canada)

Popular in

August

Cheapest in

March

Average price

$893

Good round-trip deal

$955 or less

Good one-way deal

$425 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. 6% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 1, 2025.

This Japan Airlines deal was found by Cheapflights users on 6/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/159:50 pmSIN - SFO
1 stop27h 15mJapan Airlines
Wed 8/612:25 pmSFO - SIN
1 stop38h 05mJapan Airlines
Deal found 6/28$565
This Flightnetwork deal was found by Cheapflights users on 6/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:00 pmSIN - SFO
2 stops28h 39mAir Canada
Mon 11/37:30 amSFO - SIN
2 stops29h 25mAir Canada
Deal found 6/30$641
This Jettzy deal was found by Cheapflights users on 6/28. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/299:15 amSIN - SFO
Nonstop15h 25mSingapore Airlines
Wed 9/1011:30 amSFO - SIN
Nonstop16h 40mSingapore Airlines
Deal found 6/28$745
This CheapTickets deal was found by Cheapflights users on 6/30. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/279:15 amSIN - SFO
Nonstop14h 35mMultiple Airlines
Mon 11/311:30 pmSFO - SIN
1 stop30h 25mMultiple Airlines
Deal found 6/30$751
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1010:50 pmSIN - SFO
1 stop31h 40mAsiana Airlines
Thu 9/1811:30 pmSFO - SIN
1 stop31h 00mAsiana Airlines
Deal found 6/30$771
This oojo deal was found by Cheapflights users on 6/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:50 amSIN - SFO
1 stop36h 05mCathay Pacific
Thu 9/1811:10 pmSFO - SIN
1 stop22h 15mCathay Pacific
Deal found 6/29$777

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 July 1, 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

Tue 9/9

1:55 am-10:05 am

1 stop23h 10m

San Francisco

Thu 9/18

12:25 pm-5:30 pm

1 stop38h 05m

$565

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 10/27

9:00 pm-10:39 am

2 stops28h 39m

San Francisco

Mon 11/3

7:30 am-4:55 am

2 stops29h 25m

$641

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 12/25

9:15 am-7:50 am

Nonstop14h 35m

San Francisco

Wed 1/7

9:40 am-7:05 pm

Nonstop17h 25m

$748

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Mon 10/27

9:15 am-8:50 am

Nonstop14h 35m

San Francisco

Mon 11/3

11:30 pm-9:55 pm

1 stop30h 25m

$751

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 9/10

10:50 pm-3:30 pm

1 stop31h 40m

San Francisco

Thu 9/18

11:30 pm-9:30 pm

1 stop31h 00m

$762

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Tue 9/9

1:50 am-5:50 pm

1 stop31h 00m

San Francisco

Wed 9/17

12:20 am-7:05 pm

1 stop27h 45m

$777

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 9/10

1:45 pm-8:30 pm

1 stop21h 45m

San Francisco

Wed 9/17

1:05 am-12:35 pm

1 stop20h 30m

$788

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Sun 12/7

10:00 am-12:36 pm

1 stop18h 36m

$425

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Thu 11/20

10:20 pm-9:15 pm

Nonstop14h 55m

$428

SingaporeSan Francisco

SIN - SFO

SINSFO

Singapore Changi

Wed 10/1

8:00 am-9:43 pm

2 stops28h 43m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 18 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 27, 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 $360). 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 July 1, 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 29, 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 July 1, 2025.

The most flights from SIN to SFO are scheduled on a Monday (4 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (3 on average).

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 July 1, 2025.
See what other customers who have flown with STARLUX Airlines, EVA Air, and ANA from Singapore to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
189 reviews

Entertainment

9.0

Food

8.9

Overall

9.1

Crew

9.3

Comfort

9.0

Boarding

9.0

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
189 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Entertainment

9.0

Food

8.9

Overall

9.1

Crew

9.3

Comfort

9.0

Boarding

9.0

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
1,212 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Entertainment

9.0

Food

8.9

Overall

9.1

Crew

9.3

Comfort

9.0

Boarding

9.0

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
8.4
Very good
892 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Entertainment

9.0

Food

8.9

Overall

9.1

Crew

9.3

Comfort

9.0

Boarding

9.0

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
1,504 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Entertainment

9.0

Food

8.9

Overall

9.1

Crew

9.3

Comfort

9.0

Boarding

9.0

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
747 reviews
STARLUX Airlines
9.1
Wonderful
189 reviews

Entertainment

9.0

Food

8.9

Overall

9.1

Crew

9.3

Comfort

9.0

Boarding

9.0

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 3 daily flights to San Francisco from 7 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 29 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 $565. Other airlines that can offer you cheap pricing are Air Canada, from $641, and Singapore Airlines, from $748. You may be able to fly from Singapore to San Francisco for 37% 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 $425 on Air Canada. Other airlines that offer cheap prices include United Airlines from $428 and Air China from $458 one-way.

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

    On average you can expect to pay $2,767 for a flight from Singapore to San Francisco. The cheapest flight overall is $396 while the most popular route, (Singapore Changi - San Francisco) is currently priced at $531.

  • 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, Tsukiji Outer Market, and Ueno Koen. Travelers on a layover in Tokyo can visit Akihabara Electric Town, Tsukiji Outer Market, and Ueno Koen, by traveling 34.6 mi, 35.3 mi, and 34.5 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 $56 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 $360). 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
Santa Cruz
Turlock
Manteca
Watsonville
Fairfield
Antioch
Hollister
Milpitas
Sunnyvale
Newark
Alameda
Hayward
Daly City
Campbell
Capitola
Foster City

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Singapore to San Francisco

Discover the top 7 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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$525Average$576FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$750Average$854FlexibilityNo cancel feeOn-time72%
China AirlinesCheapest$754Average$836FlexibilityNo cancel feeOn-time70%
Singapore AirlinesCheapest$757Average$1,007FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$769Average$931FlexibilityNo cancel feeOn-time69%
EVA AirCheapest$841Average$885FlexibilityNo cancel feeOn-time74%
ANACheapest$862Average$1,146FlexibilityNo cancel feeOn-time80%

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