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Cheap flights from San Francisco to Sydney from £383

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 22/10. 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

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Alaska Airlines Logo
19:57 - 19:45SFO-SYD
28h 48m1 stop
Alaska Airlines Logo
21:40 - 19:22SYD-SFO
16h 42m1 stop
£680Alaska Airlines
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Sun, 2 Nov - Fri, 7 Nov
Alaska Airlines Logo
07:12 - 19:45SFO-SYD
17h 33m1 stop
Alaska Airlines Logo
21:40 - 05:49SYD-SFO
27h 09m1 stop
£680Alaska Airlines
Find Deal
Mon, 1 Dec - Fri, 5 Dec
Alaska Airlines Logo
07:52 - 19:45SFO-SYD
41h 53m2 stops
Alaska Airlines Logo
21:40 - 19:22SYD-SFO
16h 42m1 stop
£684Alaska Airlines
Find Deal
Thu, 30 Oct - Sat, 8 Nov
Alaska Airlines Logo
19:57 - 19:45SFO-SYD
28h 48m1 stop
Alaska Airlines Logo
21:40 - 06:17SYD-SFO
27h 37m1 stop
£692Alaska Airlines
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Sun, 2 Nov - Sun, 9 Nov
Alaska Airlines Logo
07:24 - 19:45SFO-SYD
41h 21m2 stops
Alaska Airlines Logo
21:40 - 14:11SYD-SFO
35h 31m1 stop
£696Alaska Airlines
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Thu, 11 Dec - Wed, 31 Dec
Alaska Airlines Logo
08:24 - 19:45SFO-SYD
17h 21m1 stop
Alaska Airlines Logo
21:40 - 23:58SYD-SFO
21h 18m2 stops
£721Alaska Airlines
Find Deal
Thu, 30 Oct - Thu, 13 Nov
Alaska Airlines Logo
08:24 - 19:45SFO-SYD
17h 21m1 stop
Alaska Airlines Logo
21:40 - 10:44SYD-SFO
32h 04m2 stops
£725Alaska Airlines
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Fri, 31 Oct - Tue, 18 Nov
Hawaiian Airlines Logo
08:24 - 19:45SFO-SYD
17h 21m1 stop
Hawaiian Airlines Logo
21:40 - 19:22SYD-SFO
16h 42m1 stop
£727Hawaiian Airlines
Find Deal
Sat, 1 Nov - Sun, 16 Nov
Qantas Airways Logo
20:15 - 06:10SFO-SYD
14h 55mdirect
Qantas Airways Logo
19:15 - 10:10SYD-SFO
33h 55m2 stops
£776Qantas Airways
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Tue, 27 Jan - Mon, 2 Feb
Hawaiian Airlines Logo
08:35 - 19:45SFO-SYD
17h 10m1 stop
Hawaiian Airlines Logo
21:40 - 20:35SYD-SFO
16h 55m1 stop
£783Hawaiian Airlines
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Fri, 17 Oct - Thu, 23 Oct

Alaska Airlines flights from San Francisco to Sydney

Our best Alaska Airlines deals on San Francisco to Sydney flight tickets
Alaska Airlines
2 Nov
SFO19:57San Francisco
28h 48m
1 stop
SYD19:45Sydney Kingsford Smith
7 Nov
SYD21:40Sydney Kingsford Smith
16h 42m
1 stop
SFO19:22San Francisco
£680
Find similar
Alaska Airlines
1 Dec
SFO07:12San Francisco
17h 33m
1 stop
SYD19:45Sydney Kingsford Smith
5 Dec
SYD21:40Sydney Kingsford Smith
27h 09m
1 stop
SFO05:49San Francisco
£680
Find similar
Alaska Airlines
30 Oct
SFO07:52San Francisco
41h 53m
2 stops
SYD19:45Sydney Kingsford Smith
18 Nov
SYD21:40Sydney Kingsford Smith
16h 42m
1 stop
SFO19:22San Francisco
£684
Find similar

Hawaiian Airlines flights from San Francisco to Sydney

Our best Hawaiian Airlines deals on San Francisco to Sydney flight tickets
Hawaiian Airlines
1 Nov
SFO08:24San Francisco
17h 21m
1 stop
SYD19:45Sydney Kingsford Smith
16 Nov
SYD21:40Sydney Kingsford Smith
16h 42m
1 stop
SFO19:22San Francisco
£727
Find similar
Hawaiian Airlines
17 Oct
SFO08:35San Francisco
17h 10m
1 stop
SYD19:45Sydney Kingsford Smith
23 Oct
SYD21:40Sydney Kingsford Smith
16h 55m
1 stop
SFO20:35San Francisco
£783
Find similar
Hawaiian Airlines
14 Oct
SFO19:47San Francisco
29h 58m
1 stop
SYD19:45Sydney Kingsford Smith
23 Oct
SYD21:40Sydney Kingsford Smith
16h 55m
1 stop
SFO20:35San Francisco
£795
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 6 October 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 2/11

19:57-19:45

1 stop28h 48m

Sydney Kingsford Smith

Fri 7/11

21:40-19:22

1 stop16h 42m

£680

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Mon 1/12

07:12-19:45

1 stop17h 33m

Sydney Kingsford Smith

Fri 5/12

21:40-05:49

1 stop27h 09m

£680

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 30/10

07:52-19:45

2 stops41h 53m

Sydney Kingsford Smith

Sat 8/11

21:40-19:22

1 stop16h 42m

£684

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 2/11

19:57-19:45

1 stop28h 48m

Sydney Kingsford Smith

Sun 9/11

21:40-06:17

1 stop27h 37m

£692

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 11/12

07:24-19:45

2 stops41h 21m

Sydney Kingsford Smith

Wed 31/12

21:40-14:11

1 stop35h 31m

£696

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 30/10

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Thu 13/11

21:40-23:58

2 stops21h 18m

£721

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Fri 31/10

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Tue 18/11

21:40-10:44

2 stops32h 04m

£725

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sat 1/11

08:24-19:45

1 stop17h 21m

Sydney Kingsford Smith

Sun 16/11

21:40-19:22

1 stop16h 42m

£727

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 27/1

20:15-06:10

Nonstop14h 55m

Sydney Kingsford Smith

Mon 2/2

19:15-10:10

2 stops33h 55m

£776

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Fri 17/10

08:35-19:45

1 stop17h 10m

Sydney Kingsford Smith

Thu 23/10

21:40-20:35

1 stop16h 55m

£783

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 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 £756. If you don’t want to visit Sydney in February, then you should wait until June to fly from San Francisco, when ticket prices are also cheap, with an average price of £787.

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

The cheapest day to depart on your flight to Sydney is on a Sunday when prices can be found for as low as £779. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £1,697.

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 £852. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Sydney, so prices are often more expensive at around £1,126 per ticket.

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 £887 when searching weeks before you fly. 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 £769 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 October 2025, prices for San Francisco to Sydney flights are approximately 14% more expensive 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 return 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

Fastest flight time

14h 55m

Direct flights

Every day

Airports in Sydney

1 airport
The fastest flight from San Francisco to Sydney takes 14h 55m
Direct flights go from San Francisco to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
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  • How far is San Francisco to Sydney Kingsford Smith by plane?

    There are 7420.1 mi between San Francisco and Sydney Kingsford Smith. Typically, this will take 14h 55m by plane in normal conditions.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required for your trip to Sydney Kingsford Smith 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 Sydney Kingsford Smith 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 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
United AirlinesPriceFrom £712Free CancellationRating
7.4
8,957 reviews
Search United Airlines flights

  • United Airlines Flights From San Francisco to Sydney

    United Airlines flight deals from San Francisco to Sydney start from £960 round-trip. Over the 7 United Airlines flights for this route in a normal week, average airfare is usually £1,517 round-trip - but some users have found much cheaper deals with momondo.

Travelling to a place near Sydney?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Francisco to Sydney for you.

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

Yes. momondo allows you to filter the results for San Francisco to Sydney flights to just show those with flexible booking policies.

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

Once all potential San Francisco to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of San Francisco to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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