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Cheap flights from Sydney to San Francisco from £391

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SFO
18 Jun — 25 Jun1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to San Francisco are usually found in October or August, booked 89 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Sydney to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 13 June 2025.

Round-trip from

£625

One-way from

£391

Popular in

December

Cheapest in

October

Average price

£780

Good round-trip deal

£516 or less

Good one-way deal

£625 or less
Delta
  • Delta
  • 27/7-30/7
  • 3 total stops
  • 42h 33m total
  • Sydney to San Francisco
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Vietnam Airlines
  • Vietnam Airlines
  • 19/10
  • 1 total stop
  • 25h 25m total
  • Sydney to San Francisco
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Highest demand for flights based on searches. 6% potential increase in price (£43 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Sydney Kingsford Smith to San Francisco.
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Price to beat on a one-way flight from Sydney Kingsford Smith to San Francisco.
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Find flight deals from Sydney to San Francisco

Cheapest flights from Sydney to San Francisco
Explore the most affordable flight options available from Sydney to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 June 2025.

Sun 27/709:25SYD - SFO
1 stop17h 35mDelta
Sun 3/812:35SFO - SYD
1 stop25h 00mDelta
Deal found 12/6£625
Sat 23/821:40SYD - SFO
1 stop27h 29mAlaska Airlines
Sun 31/809:45SFO - SYD
2 stops41h 00mAlaska Airlines
Deal found 10/6£646
Tue 4/1111:35SYD - SFO
1 stop27h 40mPhilippine Airlines
Tue 18/1123:25SFO - SYD
1 stop39h 20mPhilippine Airlines
Deal found 11/6£671
Wed 30/709:30SYD - SFO
1 stop22h 48mUnited Airlines
Wed 30/723:00SFO - SYD
Nonstop14h 55mUnited Airlines
Deal found 11/6£687
Fri 19/913:15SYD - SFO
1 stop17h 35mFiji Airways
Fri 17/1023:25SFO - SYD
1 stop19h 20mFiji Airways
Deal found 12/6£689
Mon 10/1110:30SYD - SFO
1 stop23h 30mAsiana Airlines
Mon 1/1223:30SFO - SYD
1 stop38h 00mAsiana Airlines
Deal found 11/6£710
Fri 17/1014:15SYD - SFO
1 stop17h 10mMultiple Airlines
Sat 15/1117:05SFO - SYD
2 stops24h 25mMultiple Airlines
Deal found 11/6£744
Tue 16/921:30SYD - SFO
Nonstop13h 15mQantas Airways
Sun 12/1021:00SFO - SYD
Nonstop15h 05mQantas Airways
Deal found 12/6£765
Sun 20/708:55SYD - SFO
1 stop42h 10mJapan Airlines
Wed 20/812:25SFO - SYD
1 stop24h 55mJapan Airlines
Deal found 11/6£767
Thu 17/721:40SYD - SFO
1 stop16h 55mHawaiian Airlines
Thu 11/1207:15SFO - SYD
1 stop17h 30mHawaiian Airlines
Deal found 10/6£769
Wed 23/709:55SYD - SFO
1 stop19h 55mAir New Zealand
Mon 4/822:05SFO - SYD
1 stop19h 30mAir New Zealand
Deal found 11/6£775
Thu 24/714:05SYD - SFO
1 stop25h 50mCathay Pacific
Tue 29/701:05SFO - SYD
1 stop38h 35mCathay Pacific
Deal found 12/6£904

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 13 June 2025.
Use the filters below to find and compare flights from Sydney to San Francisco that are best for you.

Fly from

Sydney

Fly to

San Francisco

Route

Depart

Return

Price

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sun 27/7

09:25-16:13

2 stops23h 48m

San Francisco

Wed 30/7

18:50-06:35

1 stop18h 45m

£625

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sat 23/8

21:40-08:09

1 stop27h 29m

San Francisco

Sun 31/8

09:45-19:45

2 stops41h 00m

£646

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 4/11

11:35-20:15

1 stop27h 40m

San Francisco

Tue 18/11

23:25-09:45

1 stop39h 20m

£671

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Wed 30/7

09:30-15:18

1 stop22h 48m

San Francisco

Wed 30/7

23:00-06:55

Nonstop14h 55m

£687

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Fri 19/9

13:15-13:50

1 stop17h 35m

San Francisco

Fri 17/10

23:25-12:45

1 stop19h 20m

£689

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Mon 10/11

10:30-15:00

1 stop23h 30m

San Francisco

Mon 1/12

23:30-08:30

1 stop38h 00m

£710

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Fri 17/10

14:15-13:25

1 stop17h 10m

San Francisco

Sat 15/11

17:05-12:30

2 stops24h 25m

£744

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Tue 16/9

21:30-17:45

Nonstop13h 15m

San Francisco

Sun 12/10

21:00-06:05

Nonstop15h 05m

£765

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Sun 20/7

08:55-10:05

1 stop42h 10m

San Francisco

Wed 20/8

12:25-06:20

1 stop24h 55m

£767

SydneySan Francisco

SYD - SFO

SYDSFO

Sydney Kingsford Smith

Thu 17/7

21:40-21:35

1 stop16h 55m

San Francisco

Thu 11/12

07:15-19:45

1 stop17h 30m

£769

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 33 results
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Best time to book a flight from Sydney to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to San Francisco

How far ahead should I book a flight from Sydney to San Francisco?

Use this chart to determine the optimal time to book a return flight from Sydney to San Francisco. Price data was last updated on 9 June 2025.

The price you pay for your flight from Sydney to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 89 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Sydney to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £538). Flying from Sydney to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SYD to SFO?

Find hourly flight availability from Sydney to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

When flying from Sydney to San Francisco, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Sydney to San Francisco

Explore weekly flight availability from Sydney to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 13 June 2025.

The most flights from SYD to SFO are scheduled on a Tuesday (9 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 13 June 2025.
Read through reviews of airlines operating flights from Sydney to San Francisco, such as Air Tahiti Nui, Japan Airlines and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very Good
64 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,490 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
China Airlines
8.3
Very Good
738 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very Good
882 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Asiana Airlines
8.2
Very Good
440 reviews
Air Tahiti Nui
8.7
Very Good
64 reviews
Check prices

Entertainment

7.3

Overall

8.7

Boarding

8.7

Food

7.8

Crew

9.0

Comfort

8.1

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Related info for your journey

Find useful and relevant information for your journey from Sydney to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Sydney to San Francisco flight route?

    Flights from Sydney Kingsford Smith to San Francisco have been viewed 21 times in the past calendar month.

  • What are the cheapest airlines flying from Sydney to San Francisco round-trip?

    Currently priced at £625, Delta will fly you from Sydney to San Francisco and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Philippine Airlines - these airlines can fly you to your destination from £646 and £671, respectively. Delta is priced at 19% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Sydney to San Francisco one-way?

    The cheapest airline one-way is Vietnam Airlines, with whom users have recently found tickets for as low as £391. However, be on the lookout for offers from Air China and Air Canada, as they are both options that can get you from Sydney to San Francisco for a low price.

  • What are the most reliable airlines from Sydney to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Sydney to San Francisco on time: American Airlines (76%), Alaska Airlines (76%), Qantas Airways (76%).

  • What are the cheapest flights from Sydney to San Francisco?

    While on average a flight from Sydney to San Francisco is generally £2,197, our data shows the cheapest flight currently is £516. When looking at the most popular route, (Sydney Kingsford Smith - San Francisco), you can expect to pay £750 for that flight.

  • Can I find deals for flights from Sydney to San Francisco that include hotel bookings?

    Yes. In addition to deals on Sydney to San Francisco flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to San Francisco.

  • Can I find deals for business class flights from Sydney to San Francisco?

    Yes. Cheapflights offers flight deals from Sydney to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Sydney to San Francisco (average of £538). Flying from Sydney to San Francisco in July is currently the most expensive (average of £803). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Santa Cruz
Vallejo
Newark
South San Francisco
Pacific Grove
Union City

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Why should you use Cheapflights to find cheap flight tickets from Sydney to San Francisco?

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Can Cheapflights find flights from Sydney to San Francisco with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to San Francisco flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Sydney to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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