Cheap Flights from San Francisco (SFO) to Sydney (SYD) from HK$4,501~

View HK$4,501 flight on Sun, 14 Sep 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at HK$4,501 for one-way flights and HK$7,755 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Fri, 12 Dec - Wed, 17 Dec
SFO
San Francisco
SYD
Sydney
HK$7,755 Return, found 4 days ago
HK$7,755
Return
found 4 days ago
Select Fiji Airways flight, departing Fri, 12 Dec from San Francisco to Sydney, returning Wed, 17 Dec, priced at HK$7,755 found 4 days ago
Air Canada
Mon, 15 Sep - Mon, 29 Sep
SFO
San Francisco
SYD
Sydney
HK$8,231 Return, found 4 days ago
HK$8,231
Return
found 4 days ago
Select Air Canada flight, departing Mon, 15 Sep from San Francisco to Sydney, returning Mon, 29 Sep, priced at HK$8,231 found 4 days ago
Cathay Pacific
Mon, 15 Sep - Mon, 29 Sep
SFO
San Francisco
SYD
Sydney
HK$9,375 Return, found 4 days ago
HK$9,375
Return
found 4 days ago
Select Cathay Pacific flight, departing Mon, 15 Sep from San Francisco to Sydney, returning Mon, 29 Sep, priced at HK$9,375 found 4 days ago
United
Mon, 15 Sep - Mon, 29 Sep
SFO
San Francisco
SYD
Sydney
HK$9,389 Return, found 4 days ago
HK$9,389
Return
found 4 days ago
Select United flight, departing Mon, 15 Sep from San Francisco to Sydney, returning Mon, 29 Sep, priced at HK$9,389 found 4 days ago
United
Mon, 15 Sep - Mon, 29 Sep
SFO
San Francisco
SYD
Sydney
HK$9,389 Return, found 4 days ago
HK$9,389
Return
found 4 days ago
Select United flight, departing Mon, 15 Sep from San Francisco to Sydney, returning Mon, 29 Sep, priced at HK$9,389 found 4 days ago
Delta
Mon, 15 Sep - Mon, 29 Sep
SFO
San Francisco
SYD
Sydney
HK$9,435 Return, found 4 days ago
HK$9,435
Return
found 4 days ago
Select Delta flight, departing Mon, 15 Sep from San Francisco to Sydney, returning Mon, 29 Sep, priced at HK$9,435 found 4 days ago
Qantas Airways
Sun, 14 Sep - Tue, 30 Sep
SFO
San Francisco
SYD
Sydney
HK$9,472 Return, found 2 days ago
HK$9,472
Return
found 2 days ago
Select Qantas Airways flight, departing Sun, 14 Sep from San Francisco to Sydney, returning Tue, 30 Sep, priced at HK$9,472 found 2 days ago
Air New Zealand
Sun, 14 Sep - Tue, 30 Sep
SFO
San Francisco
SYD
Sydney
HK$10,576 Return, found 2 days ago
HK$10,576
Return
found 2 days ago
Select Air New Zealand flight, departing Sun, 14 Sep from San Francisco to Sydney, returning Tue, 30 Sep, priced at HK$10,576 found 2 days ago
American Airlines
Sun, 14 Sep - Tue, 30 Sep
SFO
San Francisco
SYD
Sydney
HK$10,872 Return, found 2 days ago
HK$10,872
Return
found 2 days ago
Select American Airlines flight, departing Sun, 14 Sep from San Francisco to Sydney, returning Tue, 30 Sep, priced at HK$10,872 found 2 days ago
Vietnam Airlines
Sun, 2 Nov - Wed, 5 Nov
SFO
San Francisco
SYD
Sydney
HK$10,975 Return, found 4 days ago
HK$10,975
Return
found 4 days ago
Select Vietnam Airlines flight, departing Sun, 2 Nov from San Francisco to Sydney, returning Wed, 5 Nov, priced at HK$10,975 found 4 days ago

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

February is typically the cheapest month to fly

From HK$6,226 - HK$9,175 per traveller.

Graph displaying average flight prices per month

0
San Francisco to Sydney route information
Origin airport
San Francisco Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, China Southern Airlines, Delta, Emirates, Etihad Airways, Fiji Airways, Japan Airlines, Philippine Airlines, Qantas Airways, Qatar Airways, Swiss International Air Lines, Turkish Airlines, United
Return price
HK$7,755
Distance
11878 km

Flights from San Francisco to Sydney

Book cheap flights from San Francisco (SFO) to Sydney (SYD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from San Francisco (SFO) to Sydney (SYD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your San Francisco (SFO) to Sydney (SYD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Sydney flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Sydney and things to do in Sydney for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Sydney more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sydney is HK$4,501 now!

 

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 HK$7,755. 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 kilometers, 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.

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