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Cheap flights from Sydney to San Francisco from £449

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 24/4. 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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United Airlines Logo
11:20 - 12:00SYD-SFO
19h 40m1 stop
United Airlines Logo
22:59 - 09:05SFO-SYD
39h 06m1 stop
£600United Airlines
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Mon, 26 Jan - Fri, 30 Jan
United Airlines Logo
12:10 - 06:55SYD-SFO
13h 45mdirect
United Airlines Logo
22:55 - 09:15SFO-SYD
15h 20mdirect
£617United Airlines
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Sat, 14 Feb - Fri, 27 Feb
United Airlines Logo
14:00 - 08:45SYD-SFO
13h 45mdirect
United Airlines Logo
23:00 - 09:15SFO-SYD
15h 15mdirect
£618United Airlines
Find Deal
Sat, 24 Jan - Fri, 30 Jan
United Airlines Logo
14:00 - 08:45SYD-SFO
13h 45mdirect
United Airlines Logo
18:53 - 09:05SFO-SYD
19h 12m1 stop
£621United Airlines
Find Deal
Sat, 24 Jan - Sat, 31 Jan
United Airlines Logo
11:20 - 13:34SYD-SFO
21h 14m1 stop
United Airlines Logo
20:15 - 06:20SFO-SYD
15h 05mdirect
£625United Airlines
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Sat, 24 Jan - Fri, 30 Jan
Alaska Airlines Logo
21:40 - 07:31SYD-SFO
28h 51m2 stops
Alaska Airlines Logo
21:24 - 19:45SFO-SYD
27h 21m2 stops
£629Alaska Airlines
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Thu, 19 Feb - Wed, 4 Mar
Alaska Airlines Logo
21:40 - 19:45SYD-SFO
17h 05m1 stop
Alaska Airlines Logo
07:31 - 19:45SFO-SYD
17h 14m1 stop
£658Alaska Airlines
Find Deal
Wed, 28 Jan - Sat, 31 Jan
United Airlines Logo
14:00 - 08:45SYD-SFO
13h 45mdirect
United Airlines Logo
20:15 - 06:20SFO-SYD
15h 05mdirect
£728United Airlines
Find Deal
Thu, 25 Dec - Fri, 2 Jan
Asiana Airlines Logo
10:20 - 14:00SYD-SFO
22h 40m1 stop
Asiana Airlines Logo
23:50 - 08:20SFO-SYD
38h 30m1 stop
£729Asiana Airlines
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Thu, 5 Mar - Mon, 9 Mar
Delta Logo
10:40 - 22:50SYD-SFO
31h 10m1 stop
Delta Logo
06:00 - 08:30SFO-SYD
31h 30m1 stop
£732Delta
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Thu, 25 Dec - Fri, 2 Jan

United Airlines flights from Sydney to San Francisco

Our best United Airlines deals on Sydney to San Francisco flight tickets
United Airlines
26 Jan
SYD11:20Sydney Kingsford Smith
19h 40m
1 stop
SFO12:00San Francisco
30 Jan
SFO22:59San Francisco
39h 06m
1 stop
SYD09:05Sydney Kingsford Smith
£600
Find similar
United Airlines
14 Feb
SYD12:10Sydney Kingsford Smith
13h 45m
SFO06:55San Francisco
27 Feb
SFO22:55San Francisco
15h 20m
SYD09:15Sydney Kingsford Smith
£617
Find similar
United Airlines
24 Jan
SYD14:00Sydney Kingsford Smith
13h 45m
SFO08:45San Francisco
30 Jan
SFO23:00San Francisco
15h 15m
SYD09:15Sydney Kingsford Smith
£618
Find similar

Alaska Airlines flights from Sydney to San Francisco

Our best Alaska Airlines deals on Sydney to San Francisco flight tickets
Alaska Airlines
19 Feb
SYD21:40Sydney Kingsford Smith
28h 51m
2 stops
SFO07:31San Francisco
4 Mar
SFO21:24San Francisco
27h 21m
2 stops
SYD19:45Sydney Kingsford Smith
£629
Find similar
Alaska Airlines
28 Jan
SYD21:40Sydney Kingsford Smith
17h 05m
1 stop
SFO19:45San Francisco
31 Jan
SFO07:31San Francisco
17h 14m
1 stop
SYD19:45Sydney Kingsford Smith
£658
Find similar
Alaska Airlines
11 Dec
SYD21:40Sydney Kingsford Smith
28h 49m
2 stops
SFO07:29San Francisco
31 Dec
SFO17:53San Francisco
30h 52m
2 stops
SYD19:45Sydney Kingsford Smith
£760
Find similar

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 4 December 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

Mon 26/1

11:20-12:00

1 stop19h 40m

San Francisco

Fri 30/1

22:59-09:05

1 stop39h 06m

£600

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 14/2

12:10-06:55

Nonstop13h 45m

San Francisco

Fri 27/2

22:55-09:15

Nonstop15h 20m

£617

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 24/1

14:00-08:45

Nonstop13h 45m

San Francisco

Fri 30/1

23:00-09:15

Nonstop15h 15m

£618

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 24/1

14:00-08:45

Nonstop13h 45m

San Francisco

Sat 31/1

18:53-09:05

1 stop19h 12m

£621

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 24/1

11:20-13:34

1 stop21h 14m

San Francisco

Fri 30/1

20:15-06:20

Nonstop15h 05m

£625

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 19/2

21:40-07:31

2 stops28h 51m

San Francisco

Wed 4/3

21:24-19:45

2 stops27h 21m

£629

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 28/1

21:40-19:45

1 stop17h 05m

San Francisco

Sat 31/1

07:31-19:45

1 stop17h 14m

£658

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 25/12

14:00-08:45

Nonstop13h 45m

San Francisco

Fri 2/1

20:15-06:20

Nonstop15h 05m

£728

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 5/3

10:20-14:00

1 stop22h 40m

San Francisco

Mon 9/3

23:50-08:20

1 stop38h 30m

£729

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 25/12

10:40-22:50

1 stop31h 10m

San Francisco

Fri 2/1

06:00-08:30

1 stop31h 30m

£732

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 August is, on average, the cheapest month to fly to San Francisco from Sydney, with most prices found around £684. If you are unable to visit San Francisco during the month of August, then departing from Sydney during the month October is also very affordable. Most momondo users find prices during this month for around £690.

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 £635. 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 £1,266. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from Sydney to San Francisco during this time can be as low as £1,043. Try not to purchase tickets in the evening because they tend to be around £1,349. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 £796 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 £662 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 December 2025, prices for Sydney to San Francisco flights are approximately 29% 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

Fastest flight time

13h 45m

Direct flights

Every day

Airports in San Francisco

1 airport
The fastest flight from Sydney to San Francisco takes 13h 45m
Direct flights go from Sydney to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)
Search flight deals

  • 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 30m.

  • 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
Santa Clara
Carmel-by-the-Sea
Seaside
Big Sur
Rohnert Park
Campbell
Palo Alto
South San Francisco
Capitola
Santa Cruz
Novato
Sausalito
San Bruno
Woodland
Redwood City
Aptos
Burlingame
Modesto
Pacific Grove
Sunnyvale

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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