฿18,850 Cheap Flights from San Francisco (SFO) to Sydney (SYD)

View ฿18,850 flight on Tue, 9 Jun 2026Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿18,850 for one-way flights and ฿30,715 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿30,715 Return, found 21 hours ago
฿30,715
Return
found 21 hours ago
Select Air Canada flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿30,715 found 21 hours ago
Fiji Airways
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿32,045 Return, found 21 hours ago
฿32,045
Return
found 21 hours ago
Select Fiji Airways flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿32,045 found 21 hours ago
Philippine Airlines
Fri, 10 Apr - Thu, 23 Apr
SFO
San Francisco
SYD
Sydney
฿36,950 Return, found 21 hours ago
฿36,950
Return
found 21 hours ago
Select Philippine Airlines flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Thu, 23 Apr, priced at ฿36,950 found 21 hours ago
United
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿40,440 Return, found 21 hours ago
฿40,440
Return
found 21 hours ago
Select United flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿40,440 found 21 hours ago
United
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿40,440 Return, found 21 hours ago
฿40,440
Return
found 21 hours ago
Select United flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿40,440 found 21 hours ago
Cathay Pacific
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿40,485 Return, found 21 hours ago
฿40,485
Return
found 21 hours ago
Select Cathay Pacific flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿40,485 found 21 hours ago
Delta
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿40,625 Return, found 21 hours ago
฿40,625
Return
found 21 hours ago
Select Delta flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿40,625 found 21 hours ago
Qantas Airways
Fri, 10 Apr - Sun, 19 Apr
SFO
San Francisco
SYD
Sydney
฿41,780 Return, found 21 hours ago
฿41,780
Return
found 21 hours ago
Select Qantas Airways flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Sun, 19 Apr, priced at ฿41,780 found 21 hours ago
Asiana Airlines
Sun, 19 Apr - Thu, 23 Apr
SFO
San Francisco
SYD
Sydney
฿42,685 Return, found 21 hours ago
฿42,685
Return
found 21 hours ago
Select Asiana Airlines flight, departing Sun, 19 Apr from San Francisco to Sydney, returning Thu, 23 Apr, priced at ฿42,685 found 21 hours ago
Air New Zealand
Fri, 10 Apr - Thu, 23 Apr
SFO
San Francisco
SYD
Sydney
฿44,340 Return, found 21 hours ago
฿44,340
Return
found 21 hours ago
Select Air New Zealand flight, departing Fri, 10 Apr from San Francisco to Sydney, returning Thu, 23 Apr, priced at ฿44,340 found 21 hours ago

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

February is typically the cheapest month to fly

From ฿25,262 - ฿36,694 per traveller.
Flight from 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, Delta, Emirates, Etihad Airways, Fiji Airways, Japan Airlines, Philippine Airlines, Qantas Airways, Qatar Airways, Singapore Airlines, Swiss International Air Lines, Turkish Airlines, United
Return price
฿30,715
Distance
11878 km
Average flight time
31 hours 55 mins

Perfect flights from San Francisco to Sydney

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from San Francisco to Sydney. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Sydney, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible San Francisco Intl. to Kingsford Smith Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿18,850 and roundtrip prices from ฿30,715. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kingsford Smith Intl. and explore Sydney and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your SFO to SYD travel arrangements today and embark on the journey of a lifetime in Sydney.

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 ฿30,715. 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.

Explore a world of travel with Expedia

*Available to Expedia members.