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Cheap flights from San Francisco International to Singapore

Travelers and cabin class

Compare San Francisco International to Singapore flight deals

Find the cheapest month or even day of the year to fly to Singapore

Book the best Singapore fare with no extra fees

Flight deals from San Francisco International to Singapore

Looking for a cheap last-minute deal or the best round-trip flight from San Francisco International to Singapore? Find the lowest prices on one-way and round-trip tickets right here.
Singapore.C$930 per passenger.Departing Tue, Aug 19, returning Tue, Sep 2.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Tue, Aug 19, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Tue, Sep 2, arriving in San Francisco International.Price includes taxes and charges.From C$930, select.
Singapore.C$950 per passenger.Departing Wed, Oct 1, returning Wed, Oct 8.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Wed, Oct 1, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Wed, Oct 8, arriving in San Francisco International.Price includes taxes and charges.From C$950, select.
Singapore.C$966 per passenger.Departing Wed, Apr 23, returning Wed, May 7.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Wed, Apr 23, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Wed, May 7, arriving in San Francisco International.Price includes taxes and charges.From C$966, select.
Singapore.C$966 per passenger.Departing Tue, Mar 18, returning Tue, Mar 25.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Tue, Mar 18, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Tue, Mar 25, arriving in San Francisco International.Price includes taxes and charges.From C$966, select.
Singapore.C$966 per passenger.Departing Tue, Mar 25, returning Tue, Apr 8.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Tue, Mar 25, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Tue, Apr 8, arriving in San Francisco International.Price includes taxes and charges.From C$966, select.
Singapore.C$974 per passenger.Departing Tue, Aug 19, returning Tue, Aug 26.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Tue, Aug 19, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Tue, Aug 26, arriving in San Francisco International.Price includes taxes and charges.From C$974, select.
Singapore.C$975 per passenger.Departing Tue, Apr 1, returning Wed, Apr 9.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Tue, Apr 1, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Wed, Apr 9, arriving in San Francisco International.Price includes taxes and charges.From C$975, select.
Singapore.C$975 per passenger.Departing Thu, May 8, returning Thu, May 15.Round-trip flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departing from San Francisco International on Thu, May 8, arriving in Singapore Changi.Inbound direct flight with Singapore Airlines departing from Singapore Changi on Thu, May 15, arriving in San Francisco International.Price includes taxes and charges.From C$975, select.

Find the cheapest month to fly from San Francisco International to Singapore

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Singapore flights are currently cheapest in October.
Mar
from C$966
Apr
from C$975
May
from C$975
Jun
from C$1,285
Jul
from C$1,210
Aug
from C$974
Sep
from C$991
Oct
from C$950
Nov
from C$1,001
Dec
from C$1,107
Jan
from C$1,200
Feb
from C$1,049

Direct flights from San Francisco International to Singapore

Alternative San Francisco International to Singapore routes

Looking for the cheapest, fastest or easiest route from San Francisco International to Singapore? You could fly into the following airports instead.

San Francisco to Singapore: Flight information

The things to know before you go.
Cheapest flight foundC$930
Cheapest month to flyAugust
Average flight time17 hrs, 4 mins
Most popular airlineSingapore Airlines
Average flights per week53

Finding cheap flights from San Francisco International to Singapore: Frequently asked questions

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a round-trip flight from San Francisco International to Singapore is C$930. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
17 hours and 4 minutes is the average flight time from San Francisco International to Singapore.
Singapore Airlines and United fly direct from San Francisco International to Singapore.
There are 53 flights per week flying from San Francisco International to Singapore, as of March 2025.
The cheapest month to fly from San Francisco International to Singapore is usually March 2025.
If you're flying from San Francisco International Airport, the cheapest airport near Singapore is Singapore Changi – which is 17.9 km away from the center of Singapore. We've found flights to this airport from C$930.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Singapore on Tuesday, August 19, 2025.
Yes – the average flight time is 17 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
In March, the average temperature is usually around 27°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.
Currently, Singapore Airlines offers the cheapest flight tickets to Singapore.

How to find cheap flights to Singapore from San Francisco International

Looking for cheap tickets from San Francisco International to Singapore? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit "search." From Delta Air Lines to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from San Francisco International to Singapore. And with us, there are no hidden fees – what you see is what you pay.
  • Compare flight deals to Singapore from San Francisco International from over 1,000 providers. Then choose the cheapest plane tickets or fastest journeys.
  • Flex your dates to find the best San Francisco International–Singapore ticket prices. If you're flexible when it comes to your travel dates, use Skyscanner's "Whole month" tool to find the cheapest month, and even day to fly to Singapore from San Francisco International.
  • Set up a Price Alert. You can easily track the fare of your cheap San Francisco International–Singapore flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between San Francisco International and Singapore? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business Class flights from San Francisco International and Singapore. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Singapore, too. Check the difference in price as you search – you might just stumble on a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for San Francisco International to Singapore flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save the next time you travel.

    • Combine your flight to Singapore from San Francisco International with hotels and car rental

    Once you've secured your cheap flight ticket from San Francisco International to Singapore, discover the best prices and exclusive rates for hotels in Singapore or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip.


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Plan the rest of your trip from San Francisco to Singapore

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.