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Cheap Flights from San Francisco International to Singapore Changi

Compare San Francisco International to Singapore Changi flight deals

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

Book the best Singapore Changi fare with no extra fees

Flight deals from San Francisco International to Singapore Changi

Looking for a cheap last-minute deal or the best return flight from San Francisco International Airport to Singapore Changi Airport? If you want to travel next month, return fares start from R 11,488. Find the lowest prices on one-way and return tickets right here.
Singapore.R 5,800 per passenger.Departing Wed, 19 Aug.One-way flight with Singapore Airlines.Outbound direct flight with Singapore Airlines departs from San Francisco International on Wed, 19 Aug, arriving in Singapore Changi.Price includes taxes and charges.From R 5,800, select.
Singapore.R 5,898 per passenger.Departing Tue, 3 Nov.One-way flight with ANA (All Nippon Airways).Outbound indirect flight with ANA (All Nippon Airways), departs from San Francisco International on Tue, 3 Nov, arriving in Singapore Changi.Price includes taxes and charges.From R 5,898, select.
Singapore.R 5,911 per passenger.Departing Fri, 25 Sep.One-way flight with Lufthansa.Outbound indirect flight with Lufthansa, departs from San Francisco International on Fri, 25 Sep, arriving in Singapore Changi.Price includes taxes and charges.From R 5,911, select.
Singapore.R 6,096 per passenger.Departing Sun, 6 Sep.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sun, 6 Sep, arriving in Singapore Changi.Price includes taxes and charges.From R 6,096, select.
Singapore.R 6,102 per passenger.Departing Thu, 29 Oct.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Thu, 29 Oct, arriving in Singapore Changi.Price includes taxes and charges.From R 6,102, select.
Singapore.R 6,114 per passenger.Departing Tue, 2 Mar.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 2 Mar, arriving in Singapore Changi.Price includes taxes and charges.From R 6,114, select.
Singapore.R 6,117 per passenger.Departing Tue, 3 Nov.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 3 Nov, arriving in Singapore Changi.Price includes taxes and charges.From R 6,117, select.
Singapore.R 6,127 per passenger.Departing Sun, 28 Feb.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Sun, 28 Feb, arriving in Singapore Changi.Price includes taxes and charges.From R 6,127, select.
Singapore.R 6,129 per passenger.Departing Fri, 2 Apr.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Fri, 2 Apr, arriving in Singapore Changi.Price includes taxes and charges.From R 6,129, select.
Singapore.R 6,131 per passenger.Departing Tue, 11 May.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 11 May, arriving in Singapore Changi.Price includes taxes and charges.From R 6,131, select.
Singapore.R 6,133 per passenger.Departing Wed, 20 Jan.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Wed, 20 Jan, arriving in Singapore Changi.Price includes taxes and charges.From R 6,133, select.
Singapore.R 6,328 per passenger.Departing Tue, 1 Dec.One-way flight with United.Outbound indirect flight with United, departs from San Francisco International on Tue, 1 Dec, arriving in Singapore Changi.Price includes taxes and charges.From R 6,328, select.
Singapore.R 6,387 per passenger.Departing Wed, 22 Jul.One-way flight with Asiana Airlines.Outbound indirect flight with Asiana Airlines, departs from San Francisco International on Wed, 22 Jul, arriving in Singapore Changi.Price includes taxes and charges.From R 6,387, select.
Singapore.R 8,013 per passenger.Departing Tue, 1 Dec.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 1 Dec, arriving in Singapore Changi.Price includes taxes and charges.From R 8,013, select.
Singapore.R 11,845 per passenger.Departing Thu, 10 Jun.One-way flight with Korean Air.Outbound indirect flight with Korean Air, departs from San Francisco International on Thu, 10 Jun, arriving in Singapore Changi.Price includes taxes and charges.From R 11,845, select.
Singapore.R 11,978 per passenger.Departing Tue, 1 Jun.One-way flight with United.Outbound direct flight with United departs from San Francisco International on Tue, 1 Jun, arriving in Singapore Changi.Price includes taxes and charges.From R 11,978, select.

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

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 Changi flights are currently cheapest in August.
Jul
from R 6,395
Aug
from R 5,807
Sep
from R 5,918
Oct
from R 6,110
Nov
from R 5,905
Dec
from R 6,336
Jan
from R 6,140
Feb
from R 6,135
Mar
from R 6,121
Apr
from R 6,136
May
from R 6,139
Jun
from R 11,859

Direct flights from San Francisco International to Singapore Changi

San Francisco International to Singapore Changi: Alternative routes

Compare routes from San Francisco International to Singapore below. You may find an airport to fly into that's cheaper, faster, or easier than Singapore Changi.

Seletar

14km from central Singapore
Closest
from R 8,312
Search flights

Singapore Changi

18km from central Singapore
Cheapest
from R 5,807
Search flights

San Francisco to Singapore: Flight information

The things to know before you go.
Cheapest flight foundR 5,800
Cheapest month to flyAugust
Average flight time17 hrs, 7 mins
Most popular airlineUnited
Average flights per week31

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

The best price we found for a return flight from San Francisco International to Singapore Changi is R 10,827. 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 7 minutes is the average flight time from San Francisco International to Singapore Changi.
United and Singapore Airlines fly direct from San Francisco International to Singapore Changi.
As of July 2026, there are 31 flights per week flying from San Francisco International to Singapore Changi.
The cheapest month to fly from San Francisco International to Singapore Changi is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Francisco International Airport to Singapore Changi Airport on Tuesday, 8 September 2026.
Yes – the average flight time is 17 hours and 7 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 Changi 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.

Currently, Singapore Airlines offers the cheapest flight tickets to Singapore Changi.

Flying from San Francisco International Airport (SFO) to Singapore Changi Airport (SIN): what you need to know

  • Around 17 hours is how long you can expect to be in the air on a direct flight from San Francisco International Airport to Singapore Changi Airport.

  • Singapore's timezone is UTC+8, making Singapore 16 hours ahead of San Francisco.

  • Each week, there are 28 San Francisco International Airport to Singapore Changi Airport flights. To be on board early, go for the 09:40 Singapore Airlines flight. If you're eager to make the most of your time before flying, the last departure is at 23:40 with United Airlines.

  • Get to the airport on time so you don't miss your SFO to SIN flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • During popular months such as July, it's best to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a high season in general.

  • United is your gateway to discovering Singapore (and perhaps some other great parts of Singapore!). Check out the direct flights from San Francisco International Airport to Singapore Changi Airport offered by this popular airline.

  • United is the most frequently booked airline on this route.

  • Singapore Airlines is the most punctual carrier that operates SFO to SIN flights. An impressive 86.55% of its departures on this route arrive on time.

  • We make it a cinch to book a flight with a stopover. To see your options for tickets from San Francisco International Airport to Singapore Changi Airport, uncheck 'Direct flights only.' Then, choose a flight that has a stop long enough to visit your chosen city. Top stopovers between SFO and SIN include:

    • Mumbai Airport

    • Manila Ninoy Aquino Airport

    • Bengaluru Airport

How to find the cheapest flights from San Francisco International Airport (SFO) to Singapore Changi Airport (SIN)

  • Currently, R 5,800 is the cheapest price we've seen for a one-way San Francisco International Airport to Singapore Changi Airport flight. The best price for a return ticket is R 10,827. Remember that fares can change due to availability when booking.

  • Book 11 months before you travel. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SFO to SIN.

  • The cheapest month for flights from San Francisco International Airport to Singapore Changi Airport is April. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.

  • Stay on top of deals for cheap flights from SFO to SIN by creating a Price Alert. You'll receive an email or push notification on the app when a special offer becomes available.

  • Choose your preferred departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from San Francisco International Airport to Singapore Changi Airport.

Handy information about San Francisco International Airport (SFO)

  • When it comes to San Francisco International Airport's on-time performance, 78% of flights complete their journey on time.

  • San Francisco International Airport is around 21 kilometres from central San Francisco. If you're catching a taxi, ride-sharing or driving from the centre, it'll take 25 minutes or so to arrive, depending on the traffic.

  • Taking public transport? You can expect a journey time of around 35 minutes.

  • Catching an early flight from San Francisco International Airport to Singapore Changi Airport? Avoid the last-minute rush to the airport (and sneak in some extra snooze time) by choosing one of these stays near SFO:

Arriving at Singapore Changi Airport (SIN)

  • If you have a late San Francisco International Airport to Singapore Changi Airport flight, few things beat the convenience of being close to the terminal. Grab your suitcases from the carousel and then be showered and resting soon after at one of these hotels near SIN:

  • Grab a Singapore Changi Airport rental car and discover Singapore and beyond with your own set of wheels. Avis, Sixt and Green Motion are top providers to choose from here.

  • Reserving your vehicle from Singapore Changi Airport around two weeks in advance can help you get the best possible rate.

When to fly to Singapore Changi Airport (SIN)

  • June is the busiest month for flights from San Francisco International Airport to Singapore Changi Airport. To steer clear of the crowds, head to Singapore in March.

  • Book your flight from San Francisco International Airport to Singapore Changi Airport for May if you'd like to explore Singapore during its warmest month. You can expect temperatures of between 25ºC (77ºF) and 31ºC (88ºF).

  • Search for cheap tickets from SFO to SIN in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 24ºC (75ºF) and 30ºC (86ºF) on average.

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 12 days.