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Cheap Flights from San Francisco International to Sydney

Travellers and cabin class

Compare San Francisco International to Sydney flight deals

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

Book the best Sydney fare with no extra fees

Flight deals from San Francisco International to Sydney

Looking for a cheap last-minute deal or the best return flight from San Francisco International to Sydney? Find the lowest prices on one-way and return tickets right here.
Sydney.3 157 kr per passenger.Departing Tue, 2 Sep.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Tue, 2 Sep, arriving in Sydney.Price includes taxes and charges.From 3 157 kr, select.
Sydney.3 252 kr per passenger.Departing Tue, 19 Aug.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Tue, 19 Aug, arriving in Sydney.Price includes taxes and charges.From 3 252 kr, select.
Sydney.3 666 kr per passenger.Departing Wed, 28 May.One-way flight with Hawaiian Airlines.Outbound indirect flight with Hawaiian Airlines, departs from San Francisco International on Wed, 28 May, arriving in Sydney.Price includes taxes and charges.From 3 666 kr, select.
Sydney.3 988 kr per passenger.Departing Sat, 1 Nov.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Sat, 1 Nov, arriving in Sydney.Price includes taxes and charges.From 3 988 kr, select.
Sydney.3 997 kr per passenger.Departing Sun, 15 Jun.One-way flight with Flair Airlines.Outbound indirect flight with Flair Airlines, departs from San Francisco International on Sun, 15 Jun, arriving in Sydney.Price includes taxes and charges.From 3 997 kr, select.
Sydney.4 122 kr per passenger.Departing Thu, 23 Oct.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Thu, 23 Oct, arriving in Sydney.Price includes taxes and charges.From 4 122 kr, select.
Sydney.4 350 kr per passenger.Departing Tue, 29 Jul.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Tue, 29 Jul, arriving in Sydney.Price includes taxes and charges.From 4 350 kr, select.
Sydney.4 364 kr per passenger.Departing Fri, 12 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from San Francisco International on Fri, 12 Dec, arriving in Sydney.Price includes taxes and charges.From 4 364 kr, select.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Francisco International to Sydney flights are currently cheapest in September.
Apr
from 5 979 kr
May
from 3 666 kr
Jun
from 3 997 kr
Jul
from 4 350 kr
Aug
from 3 252 kr
Sep
from 3 157 kr
Oct
from 4 122 kr
Nov
from 3 988 kr
Dec
from 4 364 kr
Jan
from 5 965 kr
Feb
from 5 028 kr
Mar
from 5 951 kr

Direct flights from San Francisco International to Sydney

San Francisco International to Sydney: Alternative routes

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

San Francisco to Sydney: Flight information

The things to know before you go.
Cheapest flight found3 157 kr
Cheapest month to flySeptember
Average flight time15 hrs, 6 mins
Most popular airlineSWISS
Average flights per week55

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

The best price we found for a return flight from San Francisco International to Sydney is 7 164 kr. 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.
15 hours and 6 minutes is the average flight time from San Francisco International to Sydney.
SWISS, Virgin Australia and United fly direct from San Francisco International to Sydney.
As of April 2025, there are 55 flights per week flying from San Francisco International to Sydney.
The cheapest month to fly from San Francisco International to Sydney is usually April 2025.
Yes – the average flight time is 15 hours and 6 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 Sydney 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 Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines and United offer the cheapest flight tickets to Sydney.

How to find cheap flights to Sydney from San Francisco International

Looking for cheap tickets from San Francisco International to Sydney? 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 British Airways 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 Sydney. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Sydney from San Francisco International from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best San Francisco International-Sydney ticket prices. If you are 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 Sydney from San Francisco International.
  • Set up a Price Alert. You can easily track the fare of your cheap San Francisco International-Sydney 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 Sydney? 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 Sydney. We scour the internet for the best Business, Premium Economy and First Class flight fares to Sydney, too. Check the difference in price as you search – you might just chance upon 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 Sydney 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 next time you travel.

    • Combine your flight to Sydney from San Francisco International with hotels and car hire

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


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Plan the rest of your trip from San Francisco to Sydney

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