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Cheap flights from San Francisco to Sydney from £439

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SYD
25 Feb — 4 Mar1
1 adult

Cheap flight deals from San Francisco to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Sydney (SYD). 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 20 February 2025.

Round-trip from

£740

One-way from

£439

Popular in

December

Cheapest in

May

Average price

£788

Good round-trip deal

£762 or less
Delta
  • Delta
  • 15/4-29/4
  • 2 total stops
  • 39h 30m total
  • San Francisco to Sydney
Fiji Airways
  • Fiji Airways
  • 20/5
  • 1 total stop
  • 20h 00m total
  • San Francisco to Sydney
Highest demand for flights based on searches. 17% potential increase in price (£142 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (£34 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from San Francisco to Sydney Kingsford Smith.

Find flight deals from San Francisco to Sydney

Cheapest flights from San Francisco to Sydney
Explore the most affordable flight options available from San Francisco to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2025.

Tue 26/821:05SFO - SYD
1 stop41h 15mAir Canada
Tue 2/909:20SYD - SFO
1 stop20h 02mAir Canada
Deal found 19/2£681
Wed 24/922:35SFO - SYD
1 stop20h 10mFiji Airways
Sun 26/1006:00SYD - SFO
1 stop25h 25mFiji Airways
Deal found 19/2£737
Tue 15/418:25SFO - SYD
1 stop19h 10mDelta
Tue 29/409:25SYD - SFO
1 stop20h 20mDelta
Deal found 20/2£740
Tue 26/817:15SFO - SYD
2 stops22h 30mMultiple Airlines
Tue 2/909:55SYD - SFO
2 stops40h 35mMultiple Airlines
Deal found 19/2£804
Thu 20/207:45SFO - SYD
1 stop17h 00mHawaiian Airlines
Thu 27/221:40SYD - SFO
1 stop21h 19mHawaiian Airlines
Deal found 20/2£839
Thu 24/719:45SFO - SYD
1 stop31h 00mAlaska Airlines
Fri 8/821:40SYD - SFO
1 stop24h 50mAlaska Airlines
Deal found 19/2£852
Sun 13/422:45SFO - SYD
Nonstop15h 10mUnited Airlines
Mon 28/410:20SYD - SFO
Nonstop13h 30mUnited Airlines
Deal found 19/2£945
Sun 21/900:20SFO - SYD
1 stop26h 50mCathay Pacific
Mon 27/1015:15SYD - SFO
1 stop25h 00mCathay Pacific
Deal found 19/2£948
Mon 25/801:45SFO - SYD
1 stop24h 30mANA
Tue 2/911:50SYD - SFO
1 stop21h 40mANA
Deal found 19/2£972
Mon 22/911:35SFO - SYD
1 stop26h 30mQantas Airways
Tue 28/1021:25SYD - SFO
Nonstop13h 20mQantas Airways
Deal found 19/2£1,047

Find flights from San Francisco to Sydney within your budget

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, Cheapflights users made 858,174 searches. Data last updated 20 February 2025.

Fly from

San Francisco

Fly to

Sydney

Route

Depart

Return

Price

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 15/4

18:25-06:35

1 stop19h 10m

Sydney Kingsford Smith

Tue 29/4

09:25-12:45

1 stop20h 20m

£740

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 6/3

07:45-19:45

1 stop17h 00m

Sydney Kingsford Smith

Sun 16/3

21:40-23:59

1 stop20h 19m

£839

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 1/5

22:45-12:15

1 stop20h 30m

Sydney Kingsford Smith

Wed 4/2

06:00-12:25

1 stop25h 25m

£866

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Thu 20/3

08:00-19:45

1 stop17h 45m

Sydney Kingsford Smith

Thu 27/3

21:40-20:05

1 stop16h 25m

£898

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 13/4

18:25-07:00

1 stop19h 35m

Sydney Kingsford Smith

Mon 28/4

10:20-06:50

Nonstop13h 30m

£945

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 15/6

11:20-07:05

1 stop26h 45m

Sydney Kingsford Smith

Tue 8/7

21:30-17:45

Nonstop13h 15m

£1,047

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sun 10/8

01:05-08:40

1 stop38h 35m

Sydney Kingsford Smith

Sat 20/9

21:50-22:40

1 stop41h 50m

£1,135

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sat 3/5

22:50-08:15

1 stop40h 25m

Sydney Kingsford Smith

Thu 29/1

11:50-17:00

1 stop24h 10m

£1,233

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Tue 20/5

22:45-11:45

1 stop20h 00m

£439

San FranciscoSydney

SFO - SYD

SFOSYD

San Francisco

Sat 1/3

07:45-19:45

1 stop17h 00m

£498

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 21 results
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Best time to book a flight from San Francisco to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from San Francisco 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.

Travel insights for flights from San Francisco to Sydney

Get recent, data-driven insights about flights from San Francisco to Sydney including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from San Francisco to Sydney. Price data was last updated on 14 February 2025.

The best time to book flights from San Francisco to Sydney is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, May is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £985). Flying from San Francisco to Sydney in July is currently the most expensive (average of £1,728). 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 SFO to SYD?

Find hourly flight availability from San Francisco to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 February 2025.

It’s optimal to fly from San Francisco to Sydney in the morning. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight at midday.

Weekly flight availability from San Francisco to Sydney

Explore weekly flight availability from San Francisco to Sydney. 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 20 February 2025.

The most flights from SFO to SYD are scheduled on a Sunday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Sydney by month

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

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

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

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 20 February 2025.
Read through reviews of airlines operating flights from San Francisco to Sydney, such as Air Tahiti Nui, China Airlines and Fiji Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

9.1

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

Crew

9.1

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

Crew

9.1

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

Crew

9.1

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

8.0
Very Good

Crew

9.1

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Boarding

8.7

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.

Crew

9.1

Food

7.8

Entertainment

7.2

Overall

8.7

Comfort

8.0

Boarding

8.7

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 San Francisco to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from San Francisco to Sydney?

    If you book a flight from San Francisco to Sydney, you will be flying from San Francisco to Kingsford Smith. Flights to Sydney Kingsford Smith (SYD) from San Francisco (SFO) take 15h 05m for a nonstop flight. There are 8 flights from San Francisco to Sydney per day from 1 airline.

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

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

    Flying on Delta is currently your cheapest option to Sydney, with prices starting at £740. Additional return tickets that might be worth considering are offered by Alaska Airlines and Fiji Airways, with the lowest prices starting at £839 and £866, respectively. Delta is currently priced 14% below the average price you’ll pay for this route.

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

    One-way options have recently been found by users for as low as £439 on Fiji Airways. Other airlines that offer cheap prices include Hawaiian Airlines from £498 and Alaska Airlines from £518 one-way.

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

    No one likes to see their flight delayed. When booking a flight from San Francisco to Sydney consider choosing Lufthansa (85%), American Airlines (85%) or Alaska Airlines (85%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from San Francisco to Sydney? While on average our users pay £1,223, our data indicates the cheapest price to be £762. The most popular route (San Francisco - Sydney Kingsford Smith), is priced around £740.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Francisco to Sydney 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 San Francisco to Sydney?

    Currently, May is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £985). Flying from San Francisco to Sydney in July is currently the most expensive (average of £1,728). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Bondi Beach
Coogee
Manly

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Alternative routes for San Francisco to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from San Francisco to Sydney

Discover the top airline that operate flights from San Francisco to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 20 February 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£636Average£933FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Francisco to Sydney?

Deals for San Francisco to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights helps you find that perfect flight to Sydney from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from San Francisco to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from San Francisco to Sydney become cheaper?

Yes, Cheapflights offers price alerts on San Francisco to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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