£390 Cheap Flights from San Francisco (SFO) to Sydney (SYD)

View £390 flight on Fri, 14 Aug 2026Opens in a new window

Popular airlines from San Francisco International Airport (SFO) to Sydney Airport (SYD)

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Cheap Flights from San Francisco (SFO) to Sydney (SYD)

Prices were available within the past 7 days and start at £390 for one-way flights and £745 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Sun, 3 May - Fri, 22 May
SFO
San Francisco
SYD
Sydney
£745 Return, found 17 hours ago
£745
Return
found 17 hours ago
Select Fiji Airways flight, departing Sun, 3 May from San Francisco to Sydney, returning Fri, 22 May, priced at £745 found 17 hours ago
Fiji Airways
Wed, 13 May - Wed, 27 May
SFO
San Francisco
SYD
Sydney
£785 Return, found 11 hours ago
£785
Return
found 11 hours ago
Select Fiji Airways flight, departing Wed, 13 May from San Francisco to Sydney, returning Wed, 27 May, priced at £785 found 11 hours ago
Qantas Airways
Fri, 16 Oct - Fri, 23 Oct
SFO
San Francisco
SYD
Sydney
£813 Return, found 5 days ago
£813
Return
found 5 days ago
Select Qantas Airways flight, departing Fri, 16 Oct from San Francisco to Sydney, returning Fri, 23 Oct, priced at £813 found 5 days ago
United
Wed, 1 Jul - Sun, 12 Jul
SFO
San Francisco
SYD
Sydney
£816 Return, found 4 days ago
£816
Return
found 4 days ago
Select United flight, departing Wed, 1 Jul from San Francisco to Sydney, returning Sun, 12 Jul, priced at £816 found 4 days ago
Delta
Wed, 1 Jul - Sun, 12 Jul
SFO
San Francisco
SYD
Sydney
£821 Return, found 4 days ago
£821
Return
found 4 days ago
Select Delta flight, departing Wed, 1 Jul from San Francisco to Sydney, returning Sun, 12 Jul, priced at £821 found 4 days ago
Alaska Airlines
Fri, 16 Oct - Fri, 23 Oct
SFO
San Francisco
SYD
Sydney
£825 Return, found 5 days ago
£825
Return
found 5 days ago
Select Alaska Airlines flight, departing Fri, 16 Oct from San Francisco to Sydney, returning Fri, 23 Oct, priced at £825 found 5 days ago
Air New Zealand
Wed, 18 Nov - Tue, 8 Dec
SFO
San Francisco
SYD
Sydney
£992 Return, found 6 days ago
£992
Return
found 6 days ago
Select Air New Zealand flight, departing Wed, 18 Nov from San Francisco to Sydney, returning Tue, 8 Dec, priced at £992 found 6 days ago
Asiana Airlines
Sun, 14 Mar - Sun, 21 Mar
SFO
San Francisco
SYD
Sydney
£1,019 Return, found 13 hours ago
£1,019
Return
found 13 hours ago
Select Asiana Airlines flight, departing Sun, 14 Mar from San Francisco to Sydney, returning Sun, 21 Mar, priced at £1,019 found 13 hours ago
Air Canada
Fri, 30 Oct - Sun, 8 Nov
SFO
San Francisco
SYD
Sydney
£1,082 Return, found 8 hours ago
£1,082
Return
found 8 hours ago
Select Air Canada flight, departing Fri, 30 Oct from San Francisco to Sydney, returning Sun, 8 Nov, priced at £1,082 found 8 hours ago
Vietnam Airlines
Sat, 24 Oct - Thu, 5 Nov
SFO
San Francisco
SYD
Sydney
£1,103 Return, found 17 hours ago
£1,103
Return
found 17 hours ago
Select Vietnam Airlines flight, departing Sat, 24 Oct from San Francisco to Sydney, returning Thu, 5 Nov, priced at £1,103 found 17 hours ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city centre is 16 minutes. Flights from £861
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city centre16 min
Flights from £861

Find the cheapest month to fly from San Francisco (SFO) to Sydney (SYD)

September is typically the cheapest month to fly

From £642 - £902 per traveller.

Frequently asked questions

How much is a flight from San Francisco Intl. Airport (SFO) to Mascot Airport?
The lowest price advertised for a round-trip flight between San Francisco Intl. Airport (SFO) and SYD is £745. But you better move fast. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SFO to SYD?
This differs between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from SFO to Sydney Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SFO to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from San Francisco Intl. Airport (SFO) to SYD?
Make the 20 hours and 46 minutes between SFO and Kingsford Smith Intl. Airport (SYD) as comfortable as you can. Bring the essentials, like a neck pillow, your toothbrush and warm clothes, and simply enjoy the flight!
How far is the flight from San Francisco Intl. Airport (SFO) to SYD?
San Francisco to Sydney is around 12,000 kilometres, so be prepared to spend a while in the air. Don't forget to pack all the essentials, from your headphones to your hoodie. Take a couple of snacks to nibble on throughout your flight too.
Which airlines fly direct from San Francisco Airport to Kingsford Smith Intl. Airport (SYD)?
Check out United Airlines (UA) if you want to travel directly from SFO to Mascot Airport. This top carrier offers 30 flights monthly, so you're sure to find one that fits your schedule.
Are San Francisco Intl. Airport (SFO) to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so not always. While last-minute deals between San Francisco Airport and Sydney Airport are of course possible, it also makes sense to keep track of prices well before you fly. In fact, some carriers release their prices up to 12 months prior to the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to grab your seat when fare prices drop.

Frequently asked questions

How much does a flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
One-way flights typically cost between £2,067 and £14,909 and return flights often range between £1,904 and £8,195. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
Which airlines fly direct from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Enter SFO to SYD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best airline to fly with from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from SFO to SYD, which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
When flying from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), you'll find approximately 1 nonstop flight per day. For even more choice, look at flights that include layovers, as there are around 105 connecting flights per day. Some common connection points include Los Angeles Intl. (LAX), Hong Kong Intl. (HKG), and Vancouver Intl. (YVR).
What is the earliest flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from San Francisco International Airport (SFO) to Sydney Kingsford Smith International Airport (SYD) typically departs at approximately 12:05 AM local time. This flight is operated by CX and is a seasonal service active in June, July, August, and September. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
You'll typically find the most flights from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) on a Sunday, with around 66 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, American Airlines, and Alaska Airlines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from San Francisco International Airport (SFO) to Kingsford Smith International Airport (SYD) are in the late evening, from 9pm to midnight. Approximately 30% of passengers prefer this time window. Many major carriers, including United Airlines, Qantas and Fiji Airways, offer flights during this window. These times work well because you can maximise your time in San Francisco before your evening flight, and you'll arrive in Sydney in the morning ready to explore.
How long does it take to fly from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Direct flights from SFO to SYD usually take about 15 hours, traveling roughly 7,425 miles. If you opt for a connecting flight, expect to add around 3 hours 20 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Select the "Business class" and "First class" filters when looking for SFO to SYD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How much is a business class flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
A direct, return business class ticket from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) typically costs between £14,313 - £28,670. You may also be able to find a cheaper business class journey between San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Anaa (AAA) (AAA) to Toronto, ON (YYZ-Pearson Intl.) (YYZ) if you opt for a connecting flight.
How do I earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Sydney from San Francisco Intl. (SFO)?
If you're planning to travel to Sydney from San Francisco Intl. (SFO), you can fly directly into Kingsford Smith Intl. (SYD) Some flights may connect through major hubs like Los Angeles Intl. (LAX), Dubai Intl. (DXB), Vancouver Intl. (YVR) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

0
Origin airport
San Francisco Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Emirates, Etihad Airways, Japan Airlines, Korean Air, Malaysia Airlines, Philippine Airlines, Qantas Airways, Singapore Airlines, Turkish Airlines, United
Return price
£745
Distance
11878 km

Book with confidence

Compare flights from San Francisco to Sydney easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from San Francisco to Sydney. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kingsford Smith Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from San Francisco Intl. to Kingsford Smith Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from San Francisco Intl. (SFO) to Kingsford Smith Intl. (SYD)

The easiest way to view the best deals on flights from San Francisco to Sydney today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from San Francisco Intl. to Kingsford Smith Intl. start at just £745 and range up to £1,103.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near San Francisco and Sydney
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your San Francisco to Sydney flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from San Francisco Intl. to Kingsford Smith Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from San Francisco to Sydney easily and book with confidence

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