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Cheap flights from Sydney to San Francisco from $621

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 17/9. 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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Cheap return flights

Fiji Airways Logo
06:00 - 12:25SYD-SFO
25h 25m1 stop
Fiji Airways Logo
22:05 - 21:50SFO-SYD
28h 45m1 stop
$1,154Fiji Airways
Find Deal
Sun, 15 Feb - Sun, 15 Feb
Alaska Airlines Logo
21:40 - 21:33SYD-SFO
16h 53m1 stop
Alaska Airlines Logo
09:33 - 19:45SFO-SYD
17h 12m1 stop
$1,160Alaska Airlines
Find Deal
Fri, 5 Sep - Fri, 19 Sep
Alaska Airlines Logo
21:40 - 07:49SYD-SFO
28h 09m1 stop
Alaska Airlines Logo
19:59 - 19:45SFO-SYD
29h 46m1 stop
$1,162Alaska Airlines
Find Deal
Sat, 18 Oct - Tue, 28 Oct
Hawaiian Airlines Logo
21:40 - 18:42SYD-SFO
40h 02m2 stops
Hawaiian Airlines Logo
07:52 - 19:45SFO-SYD
40h 53m2 stops
$1,166Hawaiian Airlines
Find Deal
Fri, 7 Nov - Tue, 11 Nov
Hawaiian Airlines Logo
21:40 - 18:49SYD-SFO
38h 09m2 stops
Hawaiian Airlines Logo
09:45 - 19:45SFO-SYD
41h 00m2 stops
$1,169Hawaiian Airlines
Find Deal
Sun, 7 Sep - Thu, 11 Sep
Alaska Airlines Logo
21:40 - 07:49SYD-SFO
28h 09m1 stop
Alaska Airlines Logo
07:52 - 19:45SFO-SYD
41h 53m2 stops
$1,171Alaska Airlines
Find Deal
Sat, 18 Oct - Sun, 26 Oct
Air Canada Logo
08:00 - 11:39SYD-SFO
21h 39m2 stops
Air Canada Logo
08:38 - 09:35SFO-SYD
29h 57m2 stops
$1,179Air Canada
Find Deal
Sun, 2 Nov - Sun, 30 Nov
Air Canada Logo
10:20 - 17:41SYD-SFO
25h 21m2 stops
Air Canada Logo
18:00 - 08:35SFO-SYD
20h 35m1 stop
$1,199Air Canada
Find Deal
Wed, 22 Oct - Sun, 26 Oct
Air New Zealand Logo
08:55 - 11:50SYD-SFO
19h 55m1 stop
Air New Zealand Logo
20:50 - 08:45SFO-SYD
17h 55m1 stop
$1,248Air New Zealand
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Mon, 29 Sep - Thu, 30 Oct
United Airlines Logo
09:30 - 15:36SYD-SFO
47h 06m2 stops
United Airlines Logo
13:25 - 07:00SFO-SYD
24h 35m1 stop
$1,308United Airlines
Find Deal
Mon, 22 Sep - Wed, 24 Sep

Alaska Airlines flights from Sydney to San Francisco

Our best Alaska Airlines deals on Sydney to San Francisco flight tickets
Alaska Airlines
5 Sept
SYD21:40Sydney Kingsford Smith
16h 53m
1 stop
SFO21:33San Francisco
19 Sept
SFO09:33San Francisco
17h 12m
1 stop
SYD19:45Sydney Kingsford Smith
$1,160
Find similar
Alaska Airlines
18 Oct
SYD21:40Sydney Kingsford Smith
28h 09m
1 stop
SFO07:49San Francisco
28 Oct
SFO19:59San Francisco
29h 46m
1 stop
SYD19:45Sydney Kingsford Smith
$1,162
Find similar
Alaska Airlines
18 Oct
SYD21:40Sydney Kingsford Smith
28h 09m
1 stop
SFO07:49San Francisco
26 Oct
SFO07:52San Francisco
41h 53m
2 stops
SYD19:45Sydney Kingsford Smith
$1,171
Find similar

Air Canada flights from Sydney to San Francisco

Our best Air Canada deals on Sydney to San Francisco flight tickets
Air Canada
2 Nov
SYD08:00Sydney Kingsford Smith
21h 39m
2 stops
SFO11:39San Francisco
30 Nov
SFO08:38San Francisco
29h 57m
2 stops
SYD09:35Sydney Kingsford Smith
$1,179
Find similar
Air Canada
22 Oct
SYD10:20Sydney Kingsford Smith
25h 21m
2 stops
SFO17:41San Francisco
26 Oct
SFO18:00San Francisco
20h 35m
1 stop
SYD08:35Sydney Kingsford Smith
$1,199
Find similar
Air Canada
17 Nov
SYD11:20Sydney Kingsford Smith
23h 15m
1 stop
SFO15:35San Francisco
30 Nov
SFO08:38San Francisco
29h 57m
2 stops
SYD09:35Sydney Kingsford Smith
$1,208
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 78,305 searches. Data last updated 26 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

Sun 15/2

06:00-12:25

1 stop25h 25m

San Francisco

Sun 15/2

22:05-21:50

1 stop28h 45m

$1,154

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Fri 5/9

21:40-21:33

1 stop16h 53m

San Francisco

Fri 19/9

09:33-19:45

1 stop17h 12m

$1,160

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 18/10

21:40-07:49

1 stop28h 09m

San Francisco

Tue 28/10

19:59-19:45

1 stop29h 46m

$1,162

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Fri 7/11

21:40-18:42

2 stops40h 02m

San Francisco

Tue 11/11

07:52-19:45

2 stops40h 53m

$1,166

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sun 7/9

21:40-18:49

2 stops38h 09m

San Francisco

Thu 11/9

09:45-19:45

2 stops41h 00m

$1,169

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 18/10

21:40-07:49

1 stop28h 09m

San Francisco

Sun 26/10

07:52-19:45

2 stops41h 53m

$1,171

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sun 2/11

08:00-11:39

2 stops21h 39m

San Francisco

Sun 30/11

08:38-09:35

2 stops29h 57m

$1,179

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 22/10

10:20-17:41

2 stops25h 21m

San Francisco

Sun 26/10

18:00-08:35

1 stop20h 35m

$1,199

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 29/9

08:55-11:50

1 stop19h 55m

San Francisco

Thu 30/10

20:50-08:45

1 stop17h 55m

$1,248

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 22/9

09:30-15:36

2 stops47h 06m

San Francisco

Wed 24/9

13:25-07:00

1 stop24h 35m

$1,308

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?

If you aren’t able to travel during the month of October, then book flights to San Francisco from Sydney during August instead. Flights to San Francisco in August, while not as cheap as those in October, still average around $1,450.

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

According to our data, Monday is the cheapest day to fly to San Francisco from Sydney. The lowest ticket price found for a Monday departure recently was $2,021. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to San Francisco for around $2,272.

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

According to our data, the cheapest time of day to fly to San Francisco is in the evening. momondo users have found flights departing from Sydney to San Francisco in the evening for as low as $1,624. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $2,328 on average. Flights to San Francisco from Sydney in the afternoon are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,633 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 $1,370 on momondo.

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

There are 3 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

$769

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 $769. The best return flight deal from Sydney to San Francisco found on momondo in the last 72 hours is $1,286.
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)
Search flight deals

  • How far is Sydney Kingsford Smith to San Francisco by plane?

    The distance between Sydney Kingsford Smith and San Francisco is about 11941.4 km. A reasonable flight in good conditions will take 16h 45m.

  • 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 many operators does momondo search for flights from Sydney Kingsford Smith Airport to San Francisco Airport?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Sydney Kingsford Smith Airport to San Francisco Airport.

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

    The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from Sydney to San Francisco

Compare and see reviews for airlines that fly from Sydney to San Francisco with momondo
Airline
Rating
Free cancellation
Price
DeltaPriceFrom $689Free cancellationRating
7.9
7,979 reviews
Search Delta flights
Fiji AirwaysPriceFrom $956Free cancellationRating
8.0
205 reviews
Search Fiji Airways flights
Alaska AirlinesPriceFrom $1,026Free cancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Air New ZealandPriceFrom $1,094Free cancellationRating
8.0
505 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $1,111Free cancellationRating
7.5
904 reviews
Search Qantas Airways flights
Hawaiian AirlinesPriceFrom $1,113Free cancellationRating
7.8
2,681 reviews
Search Hawaiian Airlines flights
Air CanadaPriceFrom $1,144Free cancellationRating
7.1
10,000 reviews
Search Air Canada flights
American AirlinesPriceFrom $1,175Free cancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,203Free cancellationRating
7.4
8,943 reviews
Search United Airlines flights
Philippine AirlinesPriceFrom $1,315Free cancellationRating
7.2
905 reviews
Search Philippine Airlines flights

  • Alaska Airlines Flights From Sydney to San Francisco

    Alaska Airlines flight deals from Sydney to San Francisco start from $666 round-trip. Over the 3 Alaska Airlines flights for this route in a normal week, average airfare is usually $988 round-trip - but some users have found much cheaper deals with momondo.

  • Air New Zealand Flights From Sydney to San Francisco

    $710 is the best Air New Zealand flight deal from Sydney to San Francisco found on momondo over the last 72 hours. The average Air New Zealand ticket price found was closer to $885, however, with flight time and availability significantly affecting the price. Air New Zealand (8.0/10 from 505 user reviews) flies into San Francisco from Sydney 7 times in an average week so prices can vary.

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Walnut Creek
Carmel-by-the-Sea
Redwood City
Sausalito
Watsonville
Emeryville
San Mateo
Pacifica
Mountain View
Santa Cruz
Burlingame
Salinas
Pacific Grove
Pebble Beach
San Lorenzo

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to San Francisco. momondo saves you time and could save you money on your trip.

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

Flights from Sydney to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Sydney.

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.
Start using Trips
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