What’s the fastest stopover option from San Francisco to Sydney?

Flights via Auckland (AKL) have the shortest average one-way travel time for one-stop routes: 17h 40m.

What’s the cheapest stopover airport for flights from San Francisco to Sydney?

Auckland (AKL) is the most affordable one-stop option, with an average return flight price of £4,395.

Which airport typically offers the quickest stopover for flights from San Francisco to Sydney?

Flights via Auckland (AKL) offer the fastest connection on this route, with an average stopover time of 2h 03m.

What’s the top stopover airport for flights from San Francisco to Sydney?

Auckland (AKL) – chosen by Cheapflights users on 50% of one-stop itineraries from San Francisco to Sydney on Cheapflights.

How popular is this San Francisco to Sydney flight route?

This flight path from San Francisco to Sydney Kingsford Smith was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

How long is the flight from San Francisco to Sydney?

For as low as £782, Alaska Airlines can have you in Sydney from San Francisco in 17h 20m. Airlines will cover a distance of 7420 mi. This flight may include one or multiple stops.

What is the cheapest airline to fly from San Francisco to Sydney round-trip?

Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at £708. United Airlines is currently priced 18% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from San Francisco to Sydney one-way?

One-way options have recently been found by users for as low as £408 on Philippine Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from £466 and Alaska Airlines from £466 one-way.

What is the cheapest day to fly from San Francisco to Sydney?

Travellers seeking maximum savings on their San Francisco to Sydney flight should consider departing on Sunday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Sydney

The most flights from SFO to SYD are scheduled on a Monday (5 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What are the most reliable airlines from San Francisco to Sydney?

No one likes to see their flight delayed. When booking a flight from San Francisco to Sydney consider choosing Alaska Airlines (73%), American Airlines (71%) or Qantas Airways (69%) as they are the most reliable in getting you off to your destination on time.

What is the cheapest day to fly round-trip from San Francisco to Sydney?

Users have found that leaving on a Saturday can be a cost-effective option. It’s possible to save up to 117% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from San Francisco to Sydney?

To save up to 30% on this flight, we recommend booking at least 44 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Sydney from £726 1-2 weeks out and tickets from £848 for flights departing within the next 72 hours.

What is the cheapest month to fly from San Francisco to Sydney?

The best pricing can be found in the month of February. Prices to Sydney from San Francisco average £870. You can even find prices in February for less than £870, as users have found deals to Sydney from as low as £368. The month of December appears to be one of the more expensive times to travel to Sydney from San Francisco. Flying in the targeted month can save you up to 38%.

What airports do I use to fly from San Francisco to Sydney?

If you book a flight from San Francisco to Sydney, you will be flying from San Francisco to Kingsford Smith. Flights to Sydney Kingsford Smith (SYD) from San Francisco (SFO) take 14h 55m for a nonstop flight. There are 5 flights from San Francisco to Sydney per day from 1 airline.

Can I find deals for flights from San Francisco to Sydney that include hotel bookings?

Yes. In addition to deals on San Francisco to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from San Francisco to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Sydney.

Can I find deals for business class flights from San Francisco to Sydney?

Yes. Cheapflights offers flight deals from San Francisco to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£408+ Flights from San Francisco to Sydney

Cheapflights Tip: The best prices from San Francisco to Sydney Kingsford Smith are usually found in February or June, booked 43 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from San Francisco to Sydney

Round-trip from	£674
One-way from	£408
Popular in	December
Cheapest in	February
Average price	£843

Philippine Airlines
26/10-2/11
2 total stops
67h 15m total
San Francisco to Sydney

Search Deals

Philippine Airlines
17/9
1 total stop
39h 05m total
San Francisco to Sydney

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£94 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from San Francisco to Sydney

Cheapest flights from San Francisco to Sydney
Explore the most affordable flight options available from San Francisco to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2025.

Sun 26/1023:30SFO - SYD

1 stop40h 20mPhilippine Airlines

Sun 2/1111:35SYD - SFO

1 stop26h 55mPhilippine Airlines

Deal found 11/9£674

Tue 28/1014:46SFO - SYD

2 stops34h 59mAlaska Airlines

Thu 20/1121:40SYD - SFO

2 stops21h 10mAlaska Airlines

Deal found 12/9£718

Thu 30/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Thu 20/1121:40SYD - SFO

2 stops21h 10mAlaska Airlines

Deal found 12/9£725

Fri 31/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Thu 20/1121:40SYD - SFO

2 stops21h 10mAlaska Airlines

Deal found 12/9£731

Tue 28/1011:40SFO - SYD

2 stops38h 05mAlaska Airlines

Fri 21/1121:40SYD - SFO

2 stops44h 56mAlaska Airlines

Deal found 12/9£741

Thu 11/1214:21SFO - SYD

2 stops34h 24mAlaska Airlines

Wed 7/121:40SYD - SFO

2 stops31h 35mAlaska Airlines

Deal found 11/9£742

Tue 9/1212:22SFO - SYD

2 stops36h 23mAlaska Airlines

Mon 22/1221:40SYD - SFO

2 stops45h 14mAlaska Airlines

Deal found 11/9£746

Tue 28/1014:46SFO - SYD

2 stops34h 59mAlaska Airlines

Sat 22/1121:40SYD - SFO

2 stops37h 09mAlaska Airlines

Deal found 12/9£746

Thu 11/1214:21SFO - SYD

2 stops34h 24mAlaska Airlines

Wed 24/1221:40SYD - SFO

2 stops43h 01mAlaska Airlines

Deal found 11/9£749

Thu 30/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Sat 22/1121:40SYD - SFO

2 stops35h 21mAlaska Airlines

Deal found 12/9£753

Fri 31/1019:37SFO - SYD

2 stops30h 08mAlaska Airlines

Sat 22/1121:40SYD - SFO

2 stops37h 09mAlaska Airlines

Deal found 12/9£759

Best flights from San Francisco to Sydney
Discover carefully curated flight deals from San Francisco to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2025.

Tue 28/1011:40SFO - SYD

2 stops38h 05mAlaska Airlines

Fri 21/1121:40SYD - SFO

2 stops44h 56mAlaska Airlines

Deal found 12/9£741

Mon 3/1107:25SFO - SYD

1 stop17h 20mHawaiian Airlines

Fri 21/1121:40SYD - SFO

1 stop16h 32mHawaiian Airlines

Deal found 11/9£782

Thu 11/1214:21SFO - SYD

2 stops34h 24mAlaska Airlines

Mon 22/1221:40SYD - SFO

2 stops43h 01mAlaska Airlines

Deal found 11/9£763

Mon 20/1008:35SFO - SYD

1 stop17h 10mAlaska Airlines

Sun 2/1121:40SYD - SFO

1 stop16h 42mAlaska Airlines

Deal found 11/9£782

Fri 31/1008:24SFO - SYD

1 stop17h 21mAlaska Airlines

Thu 20/1121:40SYD - SFO

1 stop16h 42mAlaska Airlines

Deal found 12/9£783

Fri 31/1008:24SFO - SYD

1 stop17h 21mAlaska Airlines

Sat 22/1121:40SYD - SFO

1 stop16h 32mAlaska Airlines

Deal found 12/9£783

Sat 1/1108:24SFO - SYD

1 stop17h 21mAlaska Airlines

Fri 21/1121:40SYD - SFO

1 stop16h 32mAlaska Airlines

Deal found 12/9£783

Thu 30/1008:24SFO - SYD

1 stop17h 21mAlaska Airlines

Fri 21/1121:40SYD - SFO

1 stop16h 32mAlaska Airlines

Deal found 12/9£783

Tue 28/1019:59SFO - SYD

1 stop29h 46mAlaska Airlines

Thu 20/1121:40SYD - SFO

1 stop16h 42mAlaska Airlines

Deal found 12/9£794

Direct flights from San Francisco to Sydney
Explore direct flight options from San Francisco to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 13 September 2025.

Tue 11/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Wed 26/1112:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 10/9£883

Mon 10/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Tue 25/1112:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 12/9£884

Tue 9/1220:15SFO - SYD

Nonstop14h 55mQantas Airways

Tue 23/1221:25SYD - SFO

Nonstop13h 30mQantas Airways

Deal found 11/9£891

Tue 4/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Thu 13/1112:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 10/9£920

Sat 29/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Sun 7/1212:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 11/9£921

Fri 14/1120:15SFO - SYD

Nonstop14h 55mQantas Airways

Tue 25/1121:25SYD - SFO

Nonstop13h 30mQantas Airways

Deal found 12/9£928

Sat 1/1123:50SFO - SYD

Nonstop15h 25mUnited Airlines

Thu 20/1112:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 12/9£957

Fri 14/1120:15SFO - SYD

Nonstop14h 55mQantas Airways

Fri 28/1121:25SYD - SFO

Nonstop13h 30mQantas Airways

Deal found 12/9£965

Sun 23/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Thu 11/1212:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 12/9£976

Sun 26/1021:15SFO - SYD

Nonstop14h 55mQantas Airways

Sun 2/1121:25SYD - SFO

Nonstop13h 30mQantas Airways

Deal found 11/9£978

Mon 13/1023:00SFO - SYD

Nonstop14h 55mUnited Airlines

Sun 26/1012:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 11/9£994

Sat 15/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Thu 11/1212:10SYD - SFO

Nonstop13h 40mUnited Airlines

Deal found 13/9£1,013

Last-minute flights from San Francisco to Sydney
Discover last-minute flight deals from San Francisco to Sydney. Data last updated 13 September 2025 and is based on user searches.

Tue 30/914:42SFO - SYD

2 stops36h 03mAlaska Airlines

Fri 3/1021:40SYD - SFO

2 stops41h 49mAlaska Airlines

Deal found 11/9£762

Sun 26/1023:30SFO - SYD

1 stop40h 20mPhilippine Airlines

Sun 2/1111:35SYD - SFO

1 stop26h 55mPhilippine Airlines

Deal found 11/9£674

Sun 26/1023:30SFO - SYD

1 stop40h 20mMultiple Airlines

Sun 2/1109:00SYD - SFO

2 stops20h 39mMultiple Airlines

Deal found 11/9£760

Tue 28/1014:46SFO - SYD

2 stops34h 59mAlaska Airlines

Thu 20/1121:40SYD - SFO

2 stops21h 10mAlaska Airlines

Deal found 12/9£718

Tue 28/1011:40SFO - SYD

2 stops38h 05mAlaska Airlines

Fri 21/1121:40SYD - SFO

2 stops44h 56mAlaska Airlines

Deal found 12/9£741

Tue 28/1014:46SFO - SYD

2 stops34h 59mAlaska Airlines

Sat 22/1121:40SYD - SFO

2 stops37h 09mAlaska Airlines

Deal found 12/9£746

Thu 30/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Thu 20/1121:40SYD - SFO

2 stops21h 10mAlaska Airlines

Deal found 12/9£725

Thu 30/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Sat 22/1121:40SYD - SFO

2 stops35h 21mAlaska Airlines

Deal found 12/9£753

Thu 30/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Fri 21/1121:40SYD - SFO

2 stops44h 56mAlaska Airlines

Deal found 12/9£760

Fri 31/1020:43SFO - SYD

2 stops29h 02mAlaska Airlines

Thu 20/1121:40SYD - SFO

2 stops21h 10mAlaska Airlines

Deal found 12/9£731

Fri 31/1019:37SFO - SYD

2 stops30h 08mAlaska Airlines

Tue 18/1121:40SYD - SFO

2 stops35h 10mAlaska Airlines

Deal found 12/9£732

Fri 31/1019:37SFO - SYD

2 stops30h 08mAlaska Airlines

Sat 22/1121:40SYD - SFO

2 stops37h 09mAlaska Airlines

Deal found 12/9£759

One-way flights from San Francisco to Sydney
Search for one-way flight options from San Francisco to Sydney. Find affordable one-way fares based on user searches. Data last updated 13 September 2025.

Wed 17/923:55SFO - SYD

1 stop39h 05mPhilippine Airlines

Deal found 10/9£408

Fri 14/1118:56SFO - SYD

2 stops22h 34mMultiple Airlines

Deal found 11/9£449

Wed 15/1008:35SFO - SYD

1 stop17h 10mHawaiian Airlines

Deal found 11/9£466

Wed 15/1019:47SFO - SYD

1 stop29h 58mAlaska Airlines

Deal found 11/9£482

Tue 30/909:45SFO - SYD

2 stops41h 00mAlaska Airlines

Deal found 11/9£486

Wed 19/1122:50SFO - SYD

Nonstop15h 25mUnited Airlines

Deal found 10/9£505

Thu 16/1008:35SFO - SYD

1 stop17h 10mHawaiian Airlines

Deal found 11/9£538

Thu 30/1023:50SFO - SYD

Nonstop15h 25mUnited Airlines

Deal found 10/9£553

Fri 5/1220:15SFO - SYD

Nonstop14h 55mQantas Airways

Deal found 11/9£557

Wed 22/1023:00SFO - SYD

Nonstop14h 55mUnited Airlines

Deal found 11/9£577

Wed 15/1010:50SFO - SYD

1 stop27h 10mUnited Airlines

Deal found 11/9£580

Thu 11/1207:24SFO - SYD

2 stops41h 21mAlaska Airlines

Deal found 12/9£582

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 28/10

11:40-19:45

2 stops38h 05m

Sydney Kingsford Smith

Fri 21/11

21:40-23:36

2 stops44h 56m

£741

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 11/12

14:21-19:45

2 stops34h 24m

Sydney Kingsford Smith

Mon 22/12

21:40-21:41

2 stops43h 01m

£763

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Mon 3/11

07:25-19:45

1 stop17h 20m

Sydney Kingsford Smith

Fri 21/11

21:40-19:12

1 stop16h 32m

£782

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Mon 20/10

08:35-19:45

1 stop17h 10m

Sydney Kingsford Smith

Sun 2/11

21:40-19:22

1 stop16h 42m

£782

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Fri 31/10

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Thu 20/11

21:40-19:22

1 stop16h 42m

£783

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Fri 31/10

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Sat 22/11

21:40-19:12

1 stop16h 32m

£783

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sat 1/11

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Fri 21/11

21:40-19:12

1 stop16h 32m

£783

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 30/10

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Fri 21/11

21:40-19:12

1 stop16h 32m

£783

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 28/10

19:59-19:45

1 stop29h 46m

Sydney Kingsford Smith

Thu 20/11

21:40-19:22

1 stop16h 42m

£794

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Wed 17/9

23:55-08:00

1 stop39h 05m

£408

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 17 results

Best time to book a flight from San Francisco to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from San Francisco with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Sydney

Prices

Airlines

How far ahead should I book a flight from San Francisco to Sydney?

The best time to book flights from San Francisco to Sydney is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Sydney?

Currently, May is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £985). Flying from San Francisco to Sydney in July is currently the most expensive (average of £1,725). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SFO to SYD?

It’s optimal to fly from San Francisco to Sydney in the morning. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at midday.

Reviews of airlines servicing Sydney

See what other customers who have flown with United Airlines from San Francisco to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,934 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,934 reviews

United Airlines

7.4

Good

8,934 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

What airports do I use to fly from San Francisco to Sydney?
If you book a flight from San Francisco to Sydney, you will be flying from San Francisco to Kingsford Smith. Flights to Sydney Kingsford Smith (SYD) from San Francisco (SFO) take 14h 55m for a nonstop flight. There are 5 flights from San Francisco to Sydney per day from 1 airline.
How popular is this San Francisco to Sydney flight route?
This flight path from San Francisco to Sydney Kingsford Smith was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Francisco to Sydney?
For as low as £782, Alaska Airlines can have you in Sydney from San Francisco in 17h 20m. Airlines will cover a distance of 7420 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from San Francisco to Sydney round-trip?
Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at £708. United Airlines is currently priced 18% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from San Francisco to Sydney one-way?
One-way options have recently been found by users for as low as £408 on Philippine Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from £466 and Alaska Airlines from £466 one-way.
What are the most reliable airlines from San Francisco to Sydney?
No one likes to see their flight delayed. When booking a flight from San Francisco to Sydney consider choosing Alaska Airlines (73%), American Airlines (71%) or Qantas Airways (69%) as they are the most reliable in getting you off to your destination on time.
Can I find deals for flights from San Francisco to Sydney that include hotel bookings?
Yes. In addition to deals on San Francisco to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Sydney.
Can I find deals for business class flights from San Francisco to Sydney?
Yes. Cheapflights offers flight deals from San Francisco to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Sydney?
Currently, May is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £985). Flying from San Francisco to Sydney in July is currently the most expensive (average of £1,725). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from San Francisco to Sydney

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£708	Average£1,119	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from San Francisco to Sydney?

Deals for San Francisco to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Sydney?

Cheapflights helps you find that perfect flight to Sydney from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from San Francisco to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from San Francisco to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Sydney become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from San Francisco to Sydney from £408

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from San Francisco to Sydney Kingsford Smith are usually found in February or June, booked 43 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap flight deals from San Francisco to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Sydney

Cheapest flights from San Francisco to SydneyExplore the most affordable flight options available from San Francisco to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2025.

Explore the most affordable flight options available from San Francisco to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Sydney that are best for you.

Best time to book a flight from San Francisco to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Sydney

How far ahead should I book a flight from San Francisco to Sydney?

What is the cheapest month to book a flight from San Francisco to Sydney?

What is the cheapest time of day to fly from SFO to SYD?

Weekly flight availability from San Francisco to Sydney

What’s the top stopover airport for flights from San Francisco to Sydney?

What’s the fastest stopover option from San Francisco to Sydney?

What’s the fastest stopover option from San Francisco to Sydney?

Which airport typically offers the quickest stopover for flights from San Francisco to Sydney?

Reviews of airlines servicing Sydney

See what other customers who have flown with United Airlines from San Francisco to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from San Francisco to Sydney?

How popular is this San Francisco to Sydney flight route?

How long is the flight from San Francisco to Sydney?

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Cheapest flights from San Francisco to Sydney
Explore the most affordable flight options available from San Francisco to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2025.