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Cheap flights from San Francisco to Singapore from C$ 505

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
17 Jun — 24 Jun1
1 adult

Cheapflights Tip: The best prices from San Francisco to Singapore Changi are usually found in October or September, booked 74 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from San Francisco to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Singapore (SIN). 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 12 June 2025.

Round-trip from

C$ 1,064

One-way from

C$ 505

Popular in

December

Cheapest in

October

Average price

C$ 1,727

Good round-trip deal

C$ 790 or less

Good one-way deal

C$ 456 or less
Korean Air
  • Korean Air
  • 20/8-30/8
  • 4 total stops
  • 80h 16m total
  • San Francisco to Singapore
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United Airlines
  • United Airlines
  • 12/9
  • 2 total stops
  • 44h 20m total
  • San Francisco to Singapore
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Highest demand for flights based on searches. 12% potential increase in price (C$ 263 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 94 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 San Francisco to Singapore Changi.
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Price to beat on a one-way flight from San Francisco to Singapore Changi.
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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 12 June 2025.

Wed 20/83:45 p.m.SFO - SIN
2 stops40h 55mKorean Air
Sat 30/87:30 a.m.SIN - SFO
2 stops39h 21mKorean Air
Deal found 12/6C$ 1,064
Tue 22/71:45 a.m.SFO - SIN
1 stop32h 00mUnited Airlines
Tue 29/78:45 a.m.SIN - SFO
Nonstop15h 35mUnited Airlines
Deal found 12/6C$ 1,068
Fri 11/711:30 p.m.SFO - SIN
1 stop31h 00mAsiana Airlines
Fri 18/710:50 p.m.SIN - SFO
1 stop32h 10mAsiana Airlines
Deal found 12/6C$ 1,098
Thu 21/85:55 a.m.SFO - SIN
2 stops26h 45mDelta
Mon 1/91:10 a.m.SIN - SFO
2 stops33h 47mDelta
Deal found 12/6C$ 1,099
Sat 23/89:30 p.m.SFO - SIN
2 stops36h 15mMultiple Airlines
Thu 28/812:20 a.m.SIN - SFO
1 stop35h 30mMultiple Airlines
Deal found 12/6C$ 1,113
Wed 10/91:40 p.m.SFO - SIN
1 stop20h 10mCathay Pacific
Sat 4/101:50 a.m.SIN - SFO
1 stop35h 50mCathay Pacific
Deal found 10/6C$ 1,140
Mon 30/612:00 p.m.SFO - SIN
1 stop26h 25mChina Eastern
Mon 14/712:55 a.m.SIN - SFO
2 stops31h 47mChina Eastern
Deal found 12/6C$ 1,158
Tue 19/81:05 a.m.SFO - SIN
1 stop20h 30mChina Airlines
Tue 2/91:45 p.m.SIN - SFO
1 stop21h 45mChina Airlines
Deal found 12/6C$ 1,252
Fri 12/911:55 p.m.SFO - SIN
1 stop28h 00mPhilippine Airlines
Fri 26/912:20 a.m.SIN - SFO
1 stop35h 30mPhilippine Airlines
Deal found 11/6C$ 1,277
Tue 7/1012:50 a.m.SFO - SIN
1 stop20h 50mSTARLUX Airlines
Fri 17/102:00 p.m.SIN - SFO
1 stop21h 30mSTARLUX Airlines
Deal found 11/6C$ 1,296
Tue 23/910:15 a.m.SFO - SIN
2 stops23h 05mJapan Airlines
Mon 6/101:55 a.m.SIN - SFO
1 stop22h 50mJapan Airlines
Deal found 11/6C$ 1,311

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 629,999 searches. Data last updated 12 June 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

Wed 20/8

3:45 p.m.-11:40 p.m.

2 stops40h 55m

Singapore Changi

Sat 30/8

7:30 a.m.-7:51 a.m.

2 stops39h 21m

C$ 1,064

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 22/7

1:45 a.m.-12:45 a.m.

1 stop32h 00m

Singapore Changi

Tue 29/7

8:45 a.m.-9:20 a.m.

Nonstop15h 35m

C$ 1,068

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 11/7

11:30 p.m.-9:30 p.m.

1 stop31h 00m

Singapore Changi

Fri 18/7

10:50 p.m.-4:00 p.m.

1 stop32h 10m

C$ 1,098

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 21/8

5:55 a.m.-11:40 p.m.

2 stops26h 45m

Singapore Changi

Mon 1/9

1:10 a.m.-7:57 p.m.

2 stops33h 47m

C$ 1,099

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 23/8

9:30 p.m.-12:45 a.m.

2 stops36h 15m

Singapore Changi

Thu 28/8

12:20 a.m.-8:50 p.m.

1 stop35h 30m

C$ 1,113

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Wed 10/9

1:40 p.m.-12:50 a.m.

1 stop20h 10m

Singapore Changi

Sat 4/10

1:50 a.m.-10:40 p.m.

1 stop35h 50m

C$ 1,140

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Mon 30/6

12:00 p.m.-5:25 a.m.

1 stop26h 25m

Singapore Changi

Mon 14/7

12:55 a.m.-2:50 p.m.

2 stops28h 55m

C$ 1,157

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 19/8

1:05 a.m.-12:35 p.m.

1 stop20h 30m

Singapore Changi

Mon 1/9

1:45 p.m.-8:30 p.m.

1 stop21h 45m

C$ 1,252

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Fri 12/9

11:55 p.m.-6:55 p.m.

1 stop28h 00m

Singapore Changi

Fri 26/9

12:20 a.m.-8:50 p.m.

1 stop35h 30m

C$ 1,277

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 7/10

12:50 a.m.-12:40 p.m.

1 stop20h 50m

Singapore Changi

Fri 17/10

2:00 p.m.-8:30 p.m.

1 stop21h 30m

C$ 1,296

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 26 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

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Singapore. Price data was last updated on 9 June 2025.

The best time to book flights from San Francisco to Singapore is 74 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 977). Flying from San Francisco to Singapore in December is currently the most expensive (average of C$ 1,404). 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 SIN?

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 12 June 2025.

It’s typically best to fly out from San Francisco to Singapore in the morning. Doing so could potentially save you 15% on the flight price compared to flying at noon, which is usually more expensive.

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 12 June 2025.

The most flights from SFO to SIN 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).

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 150.0 - 269.0 mm per month. December is typically the wettest month, when rainfall can reach 269.0 mm. July is typically the driest time to visit Singapore when rainfall is around 150.0 mm.

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 28.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 26.0 C).

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 12 June 2025.
Peruse reviews from past customers who have flown with STARLUX Airlines, EVA Air and Korean Air from San Francisco to Singapore to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

8.9

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
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

8.9

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
1,202 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

8.9

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.
Korean Air
8.4
Very good
1,088 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

8.9

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
1,489 reviews
STARLUX Airlines
9.1
Wonderful
Check prices

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

8.9

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
Check prices

Boarding

9.0

Food

8.8

Crew

9.3

Comfort

9.0

Overall

9.1

Entertainment

8.9

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 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 airports do I use to fly from San Francisco to Singapore?

    Singapore Changi is the airport most travellers will use when flying to Singapore from San Francisco. Booking flights from San Francisco (SFO) to Changi (SIN) should be relatively easy as there are 3 daily flights to Singapore from 2 different airlines. 17h 25m is how long a flight from San Francisco to Singapore Changi will take if you book a nonstop flight.

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

    This flight path from San Francisco to Singapore Changi was viewed by 46 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 San Francisco to Singapore round-trip?

    Our cheapest airline available from San Francisco to Singapore is Korean Air. Our recent data shows that you can find tickets from as low as C$ 1,064 on this airline. Additional options worth looking into are United Airlines and Asiana Airlines, starting at C$ 1,068 and C$ 1,098 round-trip. You may be able to fly from San Francisco to Singapore for 21% less than the average price by searching for these airlines.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as C$ 505. Users have also found prices from C$ 510 and C$ 529 on Korean Air and Asiana Airlines, respectively.

  • 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 C$ 777, our data indicates the cheapest price to be C$ 456. The most popular route (San Francisco - Singapore Changi), is priced around C$ 2,171.

  • 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 C$ 977). Flying from San Francisco to Singapore in December is currently the most expensive (average of C$ 1,404). 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.
Los Angeles to Singapore flights

Top 2 airlines flying from San Francisco to Singapore

Discover the top 2 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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestC$ 963AverageC$ 1,325FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
United AirlinesCheapestC$ 983AverageC$ 1,673FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Singapore?

When you search for this flight from San Francisco to Singapore, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Singapore?

Cheapflights simply makes it quick and affordable to book flights from San Francisco to Singapore by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from San Francisco to Singapore with no change fees?

Certainly. Search results for flights to Singapore from San Francisco shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from San Francisco to Singapore become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Singapore from San Francisco today and book when prices fit your budget.

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