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Cheap flights from Sydney to San Francisco from £318

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to San Francisco departing on 15/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

Air Canada Logo
10:20 - 10:29SYD-SFO
18h 09m1 stop
Air Canada Logo
18:00 - 08:35SFO-SYD
20h 35m1 stop
£553Air Canada
Find Deal
Tue, 21 Oct - Tue, 28 Oct
Air Canada Logo
10:20 - 17:41SYD-SFO
25h 21m2 stops
Air Canada Logo
18:00 - 08:35SFO-SYD
20h 35m1 stop
£567Air Canada
Find Deal
Tue, 21 Oct - Tue, 28 Oct
United Airlines Logo
10:20 - 06:55SYD-SFO
13h 35mdirect
United Airlines Logo
06:00 - 07:00SFO-SYD
32h 00m1 stop
£605United Airlines
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Sun, 7 Sep - Mon, 8 Sep
United Airlines Logo
11:20 - 06:55SYD-SFO
13h 35mdirect
United Airlines Logo
22:50 - 09:15SFO-SYD
15h 25mdirect
£611United Airlines
Find Deal
Tue, 21 Oct - Tue, 4 Nov
Fiji Airways Logo
14:00 - 12:25SYD-SFO
17h 25m1 stop
Fiji Airways Logo
22:05 - 12:30SFO-SYD
19h 25m1 stop
£650Fiji Airways
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Sun, 9 Nov - Fri, 14 Nov
Alaska Airlines Logo
21:40 - 05:49SYD-SFO
27h 09m1 stop
Alaska Airlines Logo
07:15 - 19:45SFO-SYD
17h 30m1 stop
£674Alaska Airlines
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Tue, 2 Dec - Thu, 4 Dec
Philippine Airlines Logo
11:35 - 19:30SYD-SFO
26h 55m1 stop
Philippine Airlines Logo
22:30 - 09:50SFO-SYD
40h 20m1 stop
£680Philippine Airlines
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Tue, 11 Nov - Tue, 11 Nov
Alaska Airlines Logo
21:40 - 05:49SYD-SFO
27h 09m1 stop
Alaska Airlines Logo
07:15 - 19:45SFO-SYD
17h 30m1 stop
£681Alaska Airlines
Find Deal
Fri, 5 Dec - Mon, 8 Dec
Philippine Airlines Logo
11:35 - 19:30SYD-SFO
26h 55m1 stop
Philippine Airlines Logo
22:30 - 09:50SFO-SYD
40h 20m1 stop
£692Philippine Airlines
Find Deal
Wed, 12 Nov - Sat, 15 Nov
Fiji Airways Logo
14:00 - 12:25SYD-SFO
17h 25m1 stop
Fiji Airways Logo
22:05 - 12:30SFO-SYD
19h 25m1 stop
£699Fiji Airways
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Fri, 5 Dec - Sun, 7 Dec

Air Canada flights from Sydney to San Francisco

Our best Air Canada deals on Sydney to San Francisco flight tickets
Air Canada
21 Oct
SYD10:20Sydney Kingsford Smith
18h 09m
1 stop
SFO10:29San Francisco
28 Oct
SFO18:00San Francisco
20h 35m
1 stop
SYD08:35Sydney Kingsford Smith
£553
Find similar
Air Canada
21 Oct
SYD10:20Sydney Kingsford Smith
25h 21m
2 stops
SFO17:41San Francisco
28 Oct
SFO18:00San Francisco
20h 35m
1 stop
SYD08:35Sydney Kingsford Smith
£567
Find similar
Air Canada
16 Jan
SYD11:20Sydney Kingsford Smith
20h 00m
1 stop
SFO12:20San Francisco
24 Jan
SFO18:00San Francisco
29h 05m
2 stops
SYD18:05Sydney Kingsford Smith
£641
Find similar

United Airlines flights from Sydney to San Francisco

Our best United Airlines deals on Sydney to San Francisco flight tickets
United Airlines
1 Sept
SYD10:20Sydney Kingsford Smith
13h 35m
SFO06:55San Francisco
1 Sept
SFO21:30San Francisco
40h 30m
1 stop
SYD07:00Sydney Kingsford Smith
£568
Find similar
United Airlines
7 Sept
SYD10:20Sydney Kingsford Smith
13h 35m
SFO06:55San Francisco
8 Sept
SFO06:00San Francisco
32h 00m
1 stop
SYD07:00Sydney Kingsford Smith
£605
Find similar
United Airlines
1 Sept
SYD10:20Sydney Kingsford Smith
13h 35m
SFO06:55San Francisco
14 Sept
SFO23:00San Francisco
14h 55m
SYD06:55Sydney Kingsford Smith
£610
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momondo 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, momondo users made 279,928 searches. Data last updated 29 August 2025.
Use the filters below to find and compare flights from Sydney to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 21/10

10:20-10:29

1 stop18h 09m

San Francisco

Tue 28/10

18:00-08:35

1 stop20h 35m

£553

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 21/10

10:20-17:41

2 stops25h 21m

San Francisco

Tue 28/10

18:00-08:35

1 stop20h 35m

£567

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sun 7/9

10:20-06:55

Nonstop13h 35m

San Francisco

Mon 8/9

06:00-07:00

1 stop32h 00m

£605

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 21/10

11:20-06:55

Nonstop13h 35m

San Francisco

Tue 4/11

22:50-09:15

Nonstop15h 25m

£611

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sun 9/11

14:00-12:25

1 stop17h 25m

San Francisco

Fri 14/11

22:05-12:30

1 stop19h 25m

£650

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 2/12

21:40-05:49

1 stop27h 09m

San Francisco

Thu 4/12

07:15-19:45

1 stop17h 30m

£674

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 11/11

11:35-19:30

1 stop26h 55m

San Francisco

Tue 11/11

22:30-09:50

1 stop40h 20m

£680

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Fri 5/12

21:40-05:49

1 stop27h 09m

San Francisco

Mon 8/12

07:15-19:45

1 stop17h 30m

£681

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 12/11

11:35-19:30

1 stop26h 55m

San Francisco

Sat 15/11

22:30-09:50

1 stop40h 20m

£692

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Fri 5/12

14:00-12:25

1 stop17h 25m

San Francisco

Sun 7/12

22:05-12:30

1 stop19h 25m

£699

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

How to get the cheapest flight ticket from Sydney to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Francisco?

The month of October is, on average, the cheapest month to fly to San Francisco from Sydney, with most prices found around £673. If you are unable to visit San Francisco during the month of October, then departing from Sydney during the month August is also very affordable. Most momondo users find prices during this month for around £696.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £624. This is often the case because there is less demand to fly during this day of the week. Flights from Sydney to San Francisco on a Tuesday will generally be more expensive and average around £1,181. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest Sydney Kingsford Smith to San Francisco flight route?

Fly from Sydney Kingsford Smith to San Francisco for the best Sydney Kingsford Smith - San Francisco flight prices

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

You are more likely to see cheaper flights to San Francisco from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £784 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Sydney for as low as £658 on momondo.

What cabin class options are available on Sydney Kingsford Smith to San Francisco flights?

There are 2 cabin classes available to choose from on Sydney Kingsford Smith to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Sydney to San Francisco flight prices changed over time?

As of August 2025, prices for Sydney to San Francisco flights are approximately 42% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to San Francisco according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to San Francisco (SYD to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to San Francisco

Best price found

£373

Fastest flight time

13h 15m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Sydney in the past 72 hours is £373. The best return flight deal from Sydney to San Francisco found on momondo in the last 72 hours is £1,044.
The fastest flight from Sydney to San Francisco takes 13h 15m
Direct flights go from Sydney to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
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  • How far is Sydney Kingsford Smith to San Francisco by plane?

    There are 7420.1 mi between Sydney Kingsford Smith and San Francisco. In terms of flight time, this usually takes a little over 13h 35m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to San Francisco Airport?

    Prices for flights from Sydney Kingsford Smith Airport to San Francisco Airport refresh daily.

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to San Francisco Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to San Francisco Airport.

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Sydney to San Francisco?

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Carmel-by-the-Sea
Santa Clara
Seaside
Vacaville
Salinas
Calistoga
Rohnert Park
Campbell
Sunnyvale
Milpitas
San Ramon
Brentwood
Capitola
South San Francisco
Sonoma
Millbrae
Woodland
San Bruno
Sausalito
Redwood City

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to San Francisco?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Sydney to San Francisco . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Sydney to San Francisco with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Francisco from Sydney with this policy.

How can momondo help me find flights from Sydney to San Francisco?

Once you have performed a search for Sydney to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Sydney to San Francisco right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Sydney to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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