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Cheap flights from Sydney to San Francisco from £285

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SFO
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Francisco are usually found in August or October, booked 71 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

Cheap flight deals from Sydney to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 September 2025.

Round-trip from

£534

One-way from

£285

Popular in

December

Cheapest in

August

Average price

£773

Good one-way deal

£372 or less
British Airways
  • British Airways
  • 29/10-5/11
  • 3 total stops
  • 43h 10m total
  • Sydney to San Francisco
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15/10
  • 15/10
  • 1 total stop
  • 21h 15m total
  • Sydney to San Francisco
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Highest demand for flights based on searches. 7% potential increase in price (£48 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Sydney Kingsford Smith to San Francisco.
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Find flight deals from Sydney to San Francisco

Cheapest flights from Sydney to San Francisco
Explore the most affordable flight options available from Sydney to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 29/1011:20SYD - SFO
1 stop17h 30mBritish Airways
Wed 5/1112:20SFO - SYD
2 stops25h 40mBritish Airways
Deal found 14/9£534
Thu 30/1021:40SYD - SFO
1 stop16h 42mAlaska Airlines
Mon 3/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Deal found 15/9£537
Wed 15/1011:20SYD - SFO
Nonstop13h 35mUnited Airlines
Tue 21/1023:00SFO - SYD
Nonstop14h 55mUnited Airlines
Deal found 14/9£538
Mon 6/1011:20SYD - SFO
Nonstop13h 35mUnited Airlines
Sun 19/1023:00SFO - SYD
Nonstop14h 55mUnited Airlines
Deal found 13/9£539
Mon 10/1112:10SYD - SFO
Nonstop13h 40mUnited Airlines
Mon 1/1216:15SFO - SYD
1 stop21h 50mUnited Airlines
Deal found 15/9£540
Wed 8/1011:20SYD - SFO
Nonstop13h 35mUnited Airlines
Wed 22/1010:50SFO - SYD
1 stop27h 10mUnited Airlines
Deal found 14/9£541
Mon 6/1010:25SYD - SFO
2 stops29h 27mDelta
Sun 19/1005:30SFO - SYD
2 stops32h 05mDelta
Deal found 13/9£544
Tue 28/1021:40SYD - SFO
2 stops39h 04mAlaska Airlines
Tue 4/1107:52SFO - SYD
2 stops40h 53mAlaska Airlines
Deal found 13/9£566
Sun 14/910:20SYD - SFO
Nonstop13h 35mUnited Airlines
Wed 24/918:50SFO - SYD
1 stop19h 10mUnited Airlines
Deal found 13/9£577
Fri 17/1011:20SYD - SFO
Nonstop13h 35mUnited Airlines
Sat 15/1122:59SFO - SYD
1 stop39h 06mUnited Airlines
Deal found 15/9£581

Cheapflights Fare Finder

 
Customise your flight search to find flights from Sydney to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Sydney to San Francisco that are best for you.

Fly from

Sydney

Fly to

San Francisco

Route

Depart

Return

Price

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 29/10

12:10-07:50

Nonstop13h 40m

San Francisco

Wed 5/11

22:50-09:15

Nonstop15h 25m

£538

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 15/10

11:20-06:55

Nonstop13h 35m

San Francisco

Tue 21/10

23:00-07:55

Nonstop14h 55m

£538

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 10/11

12:10-06:50

Nonstop13h 40m

San Francisco

Mon 1/12

22:50-09:15

Nonstop15h 25m

£540

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 13/10

11:20-06:55

Nonstop13h 35m

San Francisco

Mon 20/10

23:00-07:55

Nonstop14h 55m

£540

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 10/11

12:10-06:50

Nonstop13h 40m

San Francisco

Mon 24/11

16:15-09:05

1 stop21h 50m

£540

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 20/1

10:40-12:01

1 stop20h 21m

San Francisco

Tue 27/1

08:55-06:50

1 stop26h 55m

£544

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 6/10

10:25-21:52

2 stops29h 27m

San Francisco

Sun 19/10

18:59-07:35

1 stop18h 36m

£544

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 30/10

12:10-07:50

Nonstop13h 40m

San Francisco

Mon 3/11

22:59-09:05

1 stop39h 06m

£544

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 14/10

10:30-11:56

1 stop19h 26m

San Francisco

Sat 18/10

23:00-08:00

1 stop39h 00m

£544

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 15/10

17:20-08:44

3 stops33h 24m

£361

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 18 results
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Best time to book a flight from Sydney to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Sydney 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 Sydney to San Francisco

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

Currently, February is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £538). Flying from Sydney to San Francisco in July is currently the most expensive (average of £803). 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 SYD to SFO?

Find hourly flight availability from Sydney to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

A simple way to save on the total cost of your ticket is to fly from Sydney to San Francisco in the morning. If you’re flexible enough to do this you can expect to save up to 22% on your trip compared to booking a flight at midday.

Related info for your journey

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

  • How popular is this Sydney to San Francisco flight route?

    Flights from Sydney Kingsford Smith to San Francisco have been viewed 33 times in the past calendar month.

  • How long is the flight from Sydney to San Francisco?

    Departing from Sydney to San Francisco will take you 13h 40m. The distance between Sydney and San Francisco is about 7420 mi. All flights are typically direct.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sydney to San Francisco on time: American Airlines (73%), Alaska Airlines (73%), Qantas Airways (73%).

  • What are the cheapest flights from Sydney to San Francisco?

    While on average a flight from Sydney to San Francisco is generally £3,022, our data shows the cheapest flight currently is £369. When looking at the most popular route, (Sydney Kingsford Smith - San Francisco), you can expect to pay £462 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to San Francisco 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 Sydney to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £538). Flying from Sydney to San Francisco in July is currently the most expensive (average of £803). 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

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Newark
South San Francisco
Bodega Bay
Pacific Grove

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to San Francisco

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Fly with Cheapflights

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

Deals for Sydney to San Francisco 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 Sydney to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Sydney to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to San Francisco flexibly with Cheapflights today.

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

Of course! You can now track prices for flights from Sydney to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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