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Cheap flights from San Francisco to Sydney from $541

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Sydney departing on 9/17. 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 round-trip flights

Fiji Airways Logo
11:25 pm - 12:45 pmSFO-SYD
19h 20m1 stop
Fiji Airways Logo
2:15 pm - 1:25 pmSYD-SFO
17h 10m1 stop
$813Fiji Airways
Find Deal
Sun, Oct 19 - Fri, Oct 31
Fiji Airways Logo
11:25 pm - 12:45 pmSFO-SYD
19h 20m1 stop
Fiji Airways Logo
2:00 pm - 12:25 pmSYD-SFO
17h 25m1 stop
$823Fiji Airways
Find Deal
Wed, Oct 29 - Wed, Nov 12
Philippine Airlines Logo
11:55 pm - 8:00 amSFO-SYD
39h 05m1 stop
Philippine Airlines Logo
10:10 am - 8:50 pmSYD-SFO
27h 40m1 stop
$836Philippine Airlines
Find Deal
Sun, Sep 21 - Tue, Sep 30
Philippine Airlines Logo
11:55 pm - 8:00 amSFO-SYD
39h 05m1 stop
Philippine Airlines Logo
10:10 am - 8:50 pmSYD-SFO
27h 40m1 stop
$844Philippine Airlines
Find Deal
Thu, Sep 4 - Sun, Sep 7
Logo
11:09 am - 12:45 pmSFO-SYD
31h 36m2 stops
Logo
6:00 am - 11:58 pmSYD-SFO
36h 58m2 stops
$857
Find Deal
Tue, Oct 28 - Tue, Nov 11
Logo
11:55 pm - 8:00 amSFO-SYD
39h 05m1 stop
Logo
10:10 am - 11:09 pmSYD-SFO
29h 59m2 stops
$866
Find Deal
Sun, Sep 14 - Wed, Oct 1
Air Canada Logo
4:35 pm - 7:20 amSFO-SYD
21h 45m1 stop
Air Canada Logo
9:20 am - 12:23 pmSYD-SFO
44h 03m2 stops
$878Air Canada
Find Deal
Sun, Aug 31 - Sun, Sep 7
Air Canada Logo
7:40 pm - 10:40 amSFO-SYD
22h 00m2 stops
Air Canada Logo
9:20 am - 12:23 pmSYD-SFO
44h 03m2 stops
$897Air Canada
Find Deal
Sat, Aug 30 - Sun, Sep 7
Air New Zealand Logo
7:50 pm - 8:45 amSFO-SYD
17h 55m1 stop
Air New Zealand Logo
9:55 am - 11:05 amSYD-SFO
20h 10m1 stop
$899Air New Zealand
Find Deal
Mon, Dec 1 - Mon, Dec 8
Air New Zealand Logo
7:50 pm - 10:30 amSFO-SYD
19h 40m1 stop
Air New Zealand Logo
7:15 pm - 11:05 amSYD-SFO
34h 50m1 stop
$907Air New Zealand
Find Deal
Sun, Nov 23 - Sat, Dec 6

Philippine Airlines flights from San Francisco to Sydney

Our best Philippine Airlines deals on San Francisco to Sydney flight tickets
Philippine Airlines
Sep 21
SFO11:55 pmSan Francisco
39h 05m
1 stop
SYD8:00 amSydney Kingsford Smith
Sep 30
SYD10:10 amSydney Kingsford Smith
27h 40m
1 stop
SFO8:50 pmSan Francisco
$836
Find similar
Philippine Airlines
Sep 4
SFO11:55 pmSan Francisco
39h 05m
1 stop
SYD8:00 amSydney Kingsford Smith
Sep 7
SYD10:10 amSydney Kingsford Smith
27h 40m
1 stop
SFO8:50 pmSan Francisco
$844
Find similar
Philippine Airlines
Oct 21
SFO11:55 pmSan Francisco
39h 05m
1 stop
SYD9:00 amSydney Kingsford Smith
Nov 11
SYD11:35 amSydney Kingsford Smith
26h 55m
1 stop
SFO7:30 pmSan Francisco
$858
Find similar

Fiji Airways flights from San Francisco to Sydney

Our best Fiji Airways deals on San Francisco to Sydney flight tickets
Fiji Airways
Oct 19
SFO11:25 pmSan Francisco
19h 20m
1 stop
SYD12:45 pmSydney Kingsford Smith
Oct 31
SYD2:15 pmSydney Kingsford Smith
17h 10m
1 stop
SFO1:25 pmSan Francisco
$813
Find similar
Fiji Airways
Oct 29
SFO11:25 pmSan Francisco
19h 20m
1 stop
SYD12:45 pmSydney Kingsford Smith
Nov 12
SYD2:00 pmSydney Kingsford Smith
17h 25m
1 stop
SFO12:25 pmSan Francisco
$823
Find similar
Fiji Airways
Nov 23
SFO10:05 pmSan Francisco
19h 25m
1 stop
SYD12:30 pmSydney Kingsford Smith
Dec 12
SYD2:00 pmSydney Kingsford Smith
17h 25m
1 stop
SFO12:25 pmSan Francisco
$872
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Sydney 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 832,500 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from San Francisco to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 10/19

11:25 pm-12:45 pm

1 stop19h 20m

Sydney Kingsford Smith

Fri 10/31

2:15 pm-1:25 pm

1 stop17h 10m

$813

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Wed 10/29

11:25 pm-12:45 pm

1 stop19h 20m

Sydney Kingsford Smith

Wed 11/12

2:00 pm-12:25 pm

1 stop17h 25m

$823

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 9/21

11:55 pm-8:00 am

1 stop39h 05m

Sydney Kingsford Smith

Tue 9/30

10:10 am-8:50 pm

1 stop27h 40m

$836

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 9/4

11:55 pm-8:00 am

1 stop39h 05m

Sydney Kingsford Smith

Sun 9/7

10:10 am-8:50 pm

1 stop27h 40m

$844

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 10/28

11:09 am-12:45 pm

2 stops31h 36m

Sydney Kingsford Smith

Tue 11/11

6:00 am-11:58 pm

2 stops36h 58m

$857

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 9/14

11:55 pm-8:00 am

1 stop39h 05m

Sydney Kingsford Smith

Wed 10/1

10:10 am-11:09 pm

2 stops29h 59m

$866

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 8/31

4:35 pm-7:20 am

1 stop21h 45m

Sydney Kingsford Smith

Sun 9/7

9:20 am-12:23 pm

2 stops44h 03m

$878

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sat 8/30

7:40 pm-10:40 am

2 stops22h 00m

Sydney Kingsford Smith

Sun 9/7

9:20 am-12:23 pm

2 stops44h 03m

$897

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Mon 12/1

7:50 pm-8:45 am

1 stop17h 55m

Sydney Kingsford Smith

Mon 12/8

9:55 am-11:05 am

1 stop20h 10m

$899

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 11/23

7:50 pm-10:30 am

1 stop19h 40m

Sydney Kingsford Smith

Sat 12/6

7:15 pm-11:05 am

1 stop34h 50m

$907

Flights are sorted by cheapest round-trip flights first.

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

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

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 Sydney?

In general, February is the cheapest month to fly from San Francisco to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $986. If you are unable to visit Sydney during the month of February, then departing from San Francisco during the month May is also very affordable. Most momondo users find prices during this month for around $1,066.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from San Francisco to Sydney is on a Tuesday when prices can be found for as low as $1,220. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,447.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from San Francisco to Sydney in the afternoon for as low as $1,084. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,325. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,180 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from San Francisco for as low as $1,037 on momondo.

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

There are 3 cabin classes available to choose from on San Francisco to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of August 2025, prices for San Francisco to Sydney flights are approximately 17% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Sydney

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

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

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

Best Price Found

$541

Fastest flight time

17h 55m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from San Francisco in the past 72 hours is $541. The best round-trip flight deal from San Francisco to Sydney found on momondo in the last 72 hours is $813.
The fastest flight from San Francisco to Sydney takes 17h 55m
Direct flights go from San Francisco to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

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

    Sydney Kingsford Smith is 7420.1 mi away from San Francisco. Flights usually cover this in 17h 55m, depending on flying conditions and air traffic around both airports.

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

    Prices for flights from San Francisco Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

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

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

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Best airlines flying from San Francisco to Sydney

Compare and see reviews for airlines that fly from San Francisco to Sydney with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $499Free CancellationRating
7.8
2,665 reviews
Search Hawaiian Airlines flights
Fiji AirwaysPriceFrom $683Free CancellationRating
8.0
204 reviews
Search Fiji Airways flights
LufthansaPriceFrom $724Free CancellationRating
6.8
7,330 reviews
Search Lufthansa flights
Air CanadaPriceFrom $743Free CancellationRating
7.1
9,992 reviews
Search Air Canada flights
ANAPriceFrom $803Free CancellationRating
8.4
934 reviews
Search ANA flights
DeltaPriceFrom $830Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $873Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
Qantas AirwaysPriceFrom $900Free CancellationRating
7.5
896 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $904Free CancellationRating
7.4
8,925 reviews
Search United Airlines flights
Air New ZealandPriceFrom $909Free CancellationRating
8.0
504 reviews
Search Air New Zealand flights

  • Alaska Airlines Flights From San Francisco to Sydney

    Alaska Airlines flies from San Francisco to Sydney around 3 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from San Francisco to Sydney in the last 72 hours was $873 (round-trip), much lower than the average airfare cost of $1,069 for Alaska Airlines flights on this route.

  • Air New Zealand Flights From San Francisco to Sydney

    Across 504 Air New Zealand reviews on momondo, the average score is 8.0/10. Air New Zealand flies from San Francisco to Sydney about 7 times each week, with ticket deals ranging from $909 to $1,243. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Coogee
Lithgow
Penrith
Manly
Charlestown
Swansea
Leura
Terrigal

Why use momondo?

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

It is quick and easy to find San Francisco to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Flights from San Francisco to Sydney 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 San Francisco to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from San Francisco. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from San Francisco and alert you when they change.

An easier way to manage your Sydney trip

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