Cheap flights from Sydney to San Francisco 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SFO
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Francisco are usually found in August or September, booked 17 days in advance, depart on a Thursday or Wednesday and return on a Tuesday

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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 21 October 2025.

Wed 24/1212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Tue 6/123:00SFO - SYD
Nonstop15h 15mUnited Airlines
Deal found 20/10£645
Wed 19/1112:10SYD - SFO
Nonstop13h 40mUnited Airlines
Wed 26/1113:25SFO - SYD
1 stop24h 40mUnited Airlines
Deal found 20/10£646
Mon 8/1212:10SYD - SFO
Nonstop13h 40mUnited Airlines
Sun 14/1222:50SFO - SYD
Nonstop15h 25mUnited Airlines
Deal found 21/10£647
Wed 24/1214:00SYD - SFO
Nonstop13h 45mUnited Airlines
Mon 5/120:00SFO - SYD
1 stop18h 05mUnited Airlines
Deal found 20/10£649
Wed 24/1211:20SYD - SFO
1 stop22h 34mUnited Airlines
Sun 4/107:25SFO - SYD
1 stop30h 40mUnited Airlines
Deal found 20/10£650
Thu 25/1211:20SYD - SFO
1 stop25h 22mUnited Airlines
Sun 4/120:15SFO - SYD
Nonstop15h 05mUnited Airlines
Deal found 20/10£653
Thu 25/1214:15SYD - SFO
1 stop21h 05mDelta
Mon 5/116:15SFO - SYD
1 stop21h 15mDelta
Deal found 20/10£656
Wed 24/1214:00SYD - SFO
Nonstop13h 45mUnited Airlines
Sat 3/122:35SFO - SYD
1 stop39h 30mUnited Airlines
Deal found 20/10£658
Thu 25/1214:15SYD - SFO
2 stops27h 46mDelta
Tue 6/118:50SFO - SYD
1 stop18h 40mDelta
Deal found 20/10£660
Fri 26/1212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Mon 5/123:00SFO - SYD
Nonstop15h 15mUnited Airlines
Deal found 20/10£682
Wed 19/1112:10SYD - SFO
Nonstop13h 40mUnited Airlines
Thu 4/1210:52SFO - SYD
1 stop27h 13mUnited Airlines
Deal found 19/10£683

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 21 October 2025.

Round-trip from

£636

One-way from

£408

Popular in

December

Cheapest in

August

Average price

£738

Good one-way deal

£372 or less
Air Canada
  • Air Canada
  • 2/12-9/12
  • 3 total stops
  • 56h 40m total
  • Sydney to San Francisco
9/1
  • 9/1
  • 2 total stops
  • 39h 45m total
  • Sydney to San Francisco
Highest demand for flights based on searches. 7% potential increase in price (£51 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in October 2025
Price to beat on a one-way flight from Sydney Kingsford Smith to San Francisco.

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 21 October 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

Mon 10/11

12:10-06:50

Nonstop13h 40m

San Francisco

Wed 26/11

22:50-09:15

Nonstop15h 25m

£645

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 24/12

12:10-06:55

Nonstop13h 45m

San Francisco

Mon 5/1

20:15-06:20

Nonstop15h 05m

£645

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 19/11

12:10-06:50

Nonstop13h 40m

San Francisco

Wed 26/11

22:50-09:15

Nonstop15h 25m

£646

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 5/3

12:10-06:55

Nonstop13h 45m

San Francisco

Wed 18/3

12:55-09:05

1 stop26h 10m

£646

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 24/3

12:10-07:55

Nonstop13h 45m

San Francisco

Tue 7/4

18:30-07:00

1 stop19h 30m

£647

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 25/12

14:15-16:20

1 stop21h 05m

San Francisco

Tue 13/1

16:15-06:50

1 stop19h 35m

£650

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 20/1

10:40-10:03

1 stop18h 23m

San Francisco

Tue 27/1

08:55-06:50

1 stop26h 55m

£650

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 25/3

09:40-18:42

2 stops27h 02m

San Francisco

Wed 29/4

13:35-06:35

2 stops24h 00m

£650

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 12/3

09:40-18:42

2 stops27h 02m

San Francisco

Mon 16/3

19:00-06:05

2 stops41h 05m

£650

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 13/1

21:40-20:49

2 stops42h 09m

£421

Flights are sorted by cheapest return flights first.

Deals found on 20/10

Showing 1-10 of 20 results
1
2

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, August is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £328). Flying from Sydney to San Francisco in December is currently the most expensive (average of £616). 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 21 October 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 in the evening.

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?

  • 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 cheapest airlines to fly from Sydney to San Francisco one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as £421. However, be on the lookout for offers from Fiji Airways and Hawaiian Airlines, as they are both options that can get you from Sydney to San Francisco for a low price.

  • 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: Avianca (77%), Virgin Australia (77%), United Airlines (77%).

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

    While on average a flight from Sydney to San Francisco is generally £2,959, our data shows the cheapest flight currently is £372. When looking at the most popular route, (Sydney Kingsford Smith - San Francisco), you can expect to pay £647 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, August is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £328). Flying from Sydney to San Francisco in December is currently the most expensive (average of £616). 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

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Alternative routes for Sydney to San Francisco

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

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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.

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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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