HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Singapore

$340+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SIN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 November 20, 2025.

This United Airlines deal was found by Cheapflights users on 11/20. 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 11/276:00 amSFO - SIN
2 stops26h 55mUnited Airlines
Fri 12/2610:20 pmSIN - SFO
Nonstop14h 55mUnited Airlines
Deal found 11/20$658
This FlightHub deal was found by Cheapflights users on 11/18. 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 12/111:50 pmSFO - SIN
1 stop30h 05mAsiana Airlines
Mon 3/211:10 pmSIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 11/18$666
This Korean Air deal was found by Cheapflights users on 11/18. 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.
Wed 12/311:40 amSFO - SIN
1 stop40h 45mKorean Air
Sun 3/110:30 pmSIN - SFO
1 stop27h 00mKorean Air
Deal found 11/18$680
This Korean Air deal was found by Cheapflights users on 11/19. 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 11/2811:40 amSFO - SIN
1 stop25h 20mKorean Air
Tue 12/21:35 amSIN - SFO
1 stop23h 55mKorean Air
Deal found 11/19$681
This Korean Air deal was found by Cheapflights users on 11/18. 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.
Sat 11/2912:25 pmSFO - SIN
2 stops43h 45mKorean Air
Wed 3/410:40 amSIN - SFO
1 stop38h 50mKorean Air
Deal found 11/18$686
This Delta deal was found by Cheapflights users on 11/18. 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 12/16:00 amSFO - SIN
2 stops31h 00mDelta
Wed 3/410:40 amSIN - SFO
2 stops24h 43mDelta
Deal found 11/18$691
This Korean Air deal was found by Cheapflights users on 11/20. 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.
Thu 12/411:40 amSFO - SIN
1 stop25h 20mKorean Air
Sat 3/211:35 amSIN - SFO
2 stops47h 28mKorean Air
Deal found 11/20$696
This Korean Air deal was found by Cheapflights users on 11/18. 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.
Wed 12/312:25 pmSFO - SIN
2 stops43h 45mKorean Air
Wed 2/251:35 amSIN - SFO
1 stop23h 55mKorean Air
Deal found 11/18$697
This Korean Air deal was found by Cheapflights users on 11/18. 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.
Sat 11/293:35 pmSFO - SIN
2 stops40h 35mKorean Air
Sat 2/281:35 amSIN - SFO
2 stops48h 29mKorean Air
Deal found 11/18$702
This Korean Air deal was found by Cheapflights users on 11/18. 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.
Sat 11/293:35 pmSFO - SIN
2 stops40h 35mKorean Air
Sun 3/11:35 amSIN - SFO
2 stops47h 55mKorean Air
Deal found 11/18$703
This Asiana Airlines deal was found by Cheapflights users on 11/20. 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.
Wed 12/311:50 pmSFO - SIN
1 stop30h 05mAsiana Airlines
Sat 3/2111:10 pmSIN - SFO
1 stop30h 50mAsiana Airlines
Deal found 11/20$710
This oojo deal was found by Cheapflights users on 11/19. 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 12/282:25 pmSFO - SIN
2 stops36h 30mAir India
Sun 2/810:30 amSIN - SFO
2 stops44h 00mAir India
Deal found 11/19$719

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 November 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$645
(FlightHub)

One-way from

$340
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$875

Good round-trip deal

$721 or less

Good one-way deal

$356 or less
Provider with most accurate pricing for San Francisco-Singapore Changi flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Singapore Changi flights.
Search Deals
From San Francisco to Singapore
Search Deals
One-way flight from San Francisco to Singapore
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($153 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from San Francisco to Singapore.
Search Deals
Price to beat on a one-way flight from San Francisco to Singapore.
Search Deals

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 November 20, 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

Sat 1/24

12:20 am-6:55 am

1 stop38h 35m

Singapore Changi

Fri 1/30

10:20 pm-9:15 pm

Nonstop14h 55m

$650

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 1/25

12:20 am-6:55 am

1 stop38h 35m

Singapore Changi

Wed 1/28

10:20 pm-9:15 pm

Nonstop14h 55m

$650

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 1/27

12:20 am-6:55 am

1 stop38h 35m

Singapore Changi

Wed 2/4

10:20 pm-9:15 pm

Nonstop14h 55m

$650

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 1/13

10:35 pm-8:00 am

Nonstop17h 25m

Singapore Changi

Thu 1/22

10:45 am-9:10 am

1 stop38h 25m

$650

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Thu 1/22

10:35 am-8:15 pm

Nonstop17h 40m

Singapore Changi

Thu 2/5

10:45 am-3:20 pm

1 stop20h 35m

$650

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 11/30

11:50 pm-9:55 pm

1 stop30h 05m

Singapore Changi

Wed 3/4

11:10 pm-2:00 pm

1 stop30h 50m

$680

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 2/15

11:50 pm-9:55 pm

1 stop30h 05m

Singapore Changi

Thu 2/26

11:10 pm-2:00 pm

1 stop30h 50m

$680

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sat 3/7

4:02 pm-8:25 pm

2 stops36h 23m

Singapore Changi

Sun 3/15

10:30 pm-10:30 am

1 stop27h 00m

$685

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Tue 12/2

10:35 pm-8:00 am

Nonstop17h 25m

$340

San FranciscoSingapore

SFO - SIN

SFOSIN

San Francisco

Sun 2/22

6:05 am-5:00 am

2 stops30h 55m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $390). Flying from San Francisco to Singapore in June is currently the most expensive (average of $771). 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 November 20, 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 in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 25% 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 November 2, 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. Sunday afternoons 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 November 20, 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).

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 17% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] flights?

Over the last year, Singapore Airlines have had the lowest number of delays on this route, with just 13% of flights being delayed.

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 November 20, 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
1,280 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
EVA Air
8.4
Very good
1,280 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Singapore Airlines
8.1
Very good
1,407 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Cathay Pacific
7.6
Good
1,064 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
United Airlines
7.4
Good
9,029 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.
Air Canada
7.1
Good
10,463 reviews
EVA Air
8.4
Very good
1,280 reviews

Boarding

8.4

Comfort

8.3

Crew

8.6

Entertainment

8.0

Overall

8.4

Food

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Oct 2025

TPE - YYZ

All was well. Despite the flight being delayed a few minutes, passengers were made sure to be informed and updated on the status of the delay.

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, 249 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 38h 35m. Your travel time can differ by up to . There are 8433 mi between San Francisco and 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 $340. However, be on the lookout for offers from Delta and Korean Air, 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 $1,496, our data indicates the cheapest price to be $281. The most popular route (San Francisco - Singapore Changi), is priced around $529.

  • 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, February is the cheapest month in which you can book a flight from San Francisco to Singapore (average of $390). Flying from San Francisco to Singapore in June is currently the most expensive (average of $771). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
San Francisco to Narita flights
Los Angeles to Manila flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
Ontario to Narita flights
San Francisco to New Delhi flights
Los Angeles to Incheon Intl flights
San Francisco to Suvarnabhumi flights
San Francisco to Taiwan Taoyuan Intl flights
Los Angeles to Taiwan Taoyuan Intl flights
Los Angeles to Ho Chi Minh City flights
Santa Ana to Narita flights
San Francisco to Ho Chi Minh City flights
San Francisco to Hong Kong flights
San Francisco to Mumbai flights
Ontario to Haneda flights
San Francisco to Incheon Intl flights
San Diego to Narita flights
Ontario to Suvarnabhumi flights
Los Angeles to Hong Kong flights
Los Angeles to Hongqiao Intl flights
Burbank to Narita flights
Santa Ana to Haneda flights
San Jose to New Delhi flights
Los Angeles to New Delhi flights
Los Angeles to Kansai Intl flights
Ontario to Taiwan Taoyuan Intl flights
San Francisco to Hyderabad flights
Los Angeles to Pu Dong flights
San Francisco to Hongqiao Intl flights
Oakland to New Delhi flights
Los Angeles to Mumbai flights
Los Angeles to Singapore flights
San Jose to Narita flights
San Diego to Haneda flights
Ontario to Manila flights
Oakland to Narita flights
Los Angeles to Don Mueang Intl flights
Los Angeles to Gimpo Intl flights
San Francisco to Pu Dong flights
San Francisco to Kansai Intl flights
Santa Ana to Suvarnabhumi flights
San Francisco to Singapore flights
Burbank to Suvarnabhumi flights
San Jose to Haneda flights
San Francisco to Bangalore flights
Santa Ana to Manila flights

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 November 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$585Average$828FlexibilityNo cancel feeOn-time81%
Air IndiaCheapest$588Average$671FlexibilityNo cancel feeOn-timeN/A
Philippine AirlinesCheapest$602Average$673FlexibilityNo cancel feeOn-time60%
Asiana AirlinesCheapest$647Average$745FlexibilityNo cancel feeOn-time76%
ANACheapest$660Average$1,084FlexibilityNo cancel feeOn-time80%
China EasternCheapest$675Average$734FlexibilityNo cancel feeOn-time62%
Korean AirCheapest$680Average$772FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$728Average$910FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$746Average$825FlexibilityNo cancel feeOn-time79%
Cathay PacificCheapest$752Average$914FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.