Q: How much does it cost for a return flight from San Francisco to Sydney?

Airfare is typical for this route at the moment. San Francisco to Sydney flights typically cost between £721 and £1,069 in September. The cheapest return price found within the last 5 days was £738 on Multiple Airlines (23 Sept–30 Sept).

Question 1

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

Accepted Answer

Flights via Auckland (AKL) offer the fastest connection on this route, with an average stopover time of 1h 58m.

Question 2

How often are flights from San Francisco to Sydney delayed?

Accepted Answer

About 21% of weekly flights between San Francisco and Sydney have experienced delays in the past year, with the average delay time being 156 minutes.

Question 3

What is the most punctual flight time for San Francisco to Sydney flights?

Accepted Answer

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

Question 4

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Question 5

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

Accepted Answer

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

Question 6

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

Accepted Answer

Nadi (NAN) is the most affordable one-stop option, with an average return flight price of £571.

Question 7

How much does it cost for a return flight from San Francisco to Sydney?

Accepted Answer

Airfare is typical for this route at the moment.San Francisco to Sydney flights typically cost between £721 and £1,069 in September.
The cheapest return price found within the last 5 days was £738 on Multiple Airlines (23 Sept–30 Sept).

Question 8

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

Accepted Answer

Nadi (NAN) – chosen by Cheapflights users on 67% of one-stop itineraries from San Francisco to Sydney on Cheapflights.

Question 9

Which airline has the best punctuality record on San Francisco to Sydney flights?

Accepted Answer

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

Question 10

How popular is this San Francisco to Sydney flight route?

Accepted Answer

This flight path from San Francisco to Sydney Kingsford Smith was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

Question 11

How long is the flight from San Francisco to Sydney?

Accepted Answer

For as low as £1,012, Alaska Airlines can have you in Sydney from San Francisco in 14h 40m. Airlines will cover a distance of 7420 mi. All flights are typically direct.

Question 12

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

Accepted Answer

The best time to book flights from San Francisco to Sydney is 9 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.

Question 13

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

Accepted Answer

Currently, March is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £791). Flying from San Francisco to Sydney in December is currently the most expensive (average of £1,290). 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.

Question 14

Weekly flight availability from San Francisco to Sydney

Accepted Answer

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).

Question 15

E

Accepted Answer

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.

Question 16

E

Accepted Answer

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).

Question 17

What are the cheapest flights from San Francisco to Sydney?

Accepted Answer

Looking for the cheapest flight from San Francisco to Sydney? While on average our users pay £675, our data indicates the cheapest price to be £554. The most popular route (San Francisco - Sydney Kingsford Smith), is priced around £905.

Question 18

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

Accepted Answer

No one likes to see their flight delayed. When booking a flight from San Francisco to Sydney consider choosing American Airlines (96%), Alaska Airlines (96%) or Qantas Airways (96%) as they are the most reliable in getting you off to your destination on time.

Question 19

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

Accepted Answer

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Sydney as you normally would.

Question 20

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

Accepted Answer

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

Question 21

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

Accepted Answer

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.

Question 22

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

Accepted Answer

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.

Question 23

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

Accepted Answer

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.

Question 24

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

Accepted Answer

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!

Question 25

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

Accepted Answer

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

Question 26

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

Accepted Answer

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.

Round-trip from	£738
One-way from	£429
Popular in	December
Cheapest in	March
Average price	£822
Good one-way deal	£554 or less

Cheap flights from San Francisco to Sydney from £429

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 August 2026.

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 August 2026.

Best flights from San Francisco to SydneyDiscover 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 August 2026.

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 August 2026.

Direct flights from San Francisco to SydneyExplore 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 August 2026.

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 August 2026.

Last-minute flights from San Francisco to SydneyDiscover last-minute flight deals from San Francisco to Sydney. Data last updated 13 August 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to Sydney. Data last updated 13 August 2026 and is based on user searches.

One-way flights from San Francisco to SydneySearch for one-way flight options from San Francisco to Sydney. Find affordable one-way fares based on user searches. Data last updated 13 August 2026.

Search for one-way flight options from San Francisco to Sydney. Find affordable one-way fares based on user searches. Data last updated 13 August 2026.

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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

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 9 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?

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Sydney as you normally would.

How much does it cost for a return flight from San Francisco to Sydney?

Airfare is typical for this route at the moment.

San Francisco to Sydney flights typically cost between £721 and £1,069 in September.The cheapest return price found within the last 5 days was £738 on Multiple Airlines (23 Sept–30 Sept).

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).

How often are flights from San Francisco to Sydney delayed?

About 21% of weekly flights between San Francisco and Sydney have experienced delays in the past year, with the average delay time being 156 minutes.

What is the most punctual flight time for San Francisco to Sydney flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to Sydney flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 11% of flights being delayed.

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

Nadi (NAN) – chosen by Cheapflights users on 67% of one-stop itineraries from San Francisco to Sydney on Cheapflights.

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

Nadi (NAN) is the most affordable one-stop option, with an average return flight price of £571.

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.

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 1h 58m.

Related info for your journey

How popular is this San Francisco to Sydney flight route?

How long is the flight from San Francisco to Sydney?

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

What are the cheapest flights from San Francisco to Sydney?

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

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

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

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

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San Francisco and Sydney flights

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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 August 2026.

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 August 2026.

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 August 2026.

Last-minute flights from San Francisco to Sydney
Discover last-minute flight deals from San Francisco to Sydney. Data last updated 13 August 2026 and is based on user searches.

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 August 2026.

San Francisco to Sydney flights typically cost between £721 and £1,069 in September.
The cheapest return price found within the last 5 days was £738 on Multiple Airlines (23 Sept–30 Sept).