Australia

$498+ Cheap flights from San Francisco (SFO) to Australia

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SYD
Jan 6 — Jan 131
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Francisco to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from San Francisco to Australia

Cheapest flights from San Francisco to Australia
Explore the most affordable flight options available from San Francisco to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 7, 2025.

This Air Canada deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:39 amSFO - BNE
2 stops30h 06mAir Canada
Mon 12/1510:45 amBNE - SFO
1 stop17h 49mAir Canada
Deal found 12/5$1,049
This Priceline deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:53 pmSFO - BNE
1 stop19h 52mAir Canada
Fri 12/1210:45 amBNE - SFO
1 stop22h 50mAir Canada
Deal found 12/5$1,052
This Hawaiian Airlines deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:15 amSFO - SYD
1 stop17h 30mAlaska Airlines
Fri 12/129:40 pmSYD - SFO
1 stop16h 35mAlaska Airlines
Deal found 12/5$1,060
This FlightHub deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:45 pmSFO - MEL
1 stop38h 25mCathay Pacific
Wed 1/213:35 pmMEL - SFO
1 stop24h 25mCathay Pacific
Deal found 12/5$1,083
This Alaska Airlines deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:15 amSFO - ADL
2 stops30h 30mAlaska Airlines
Sun 12/145:10 pmADL - SFO
2 stops20h 35mAlaska Airlines
Deal found 12/4$1,110
This Gotogate deal was found by Cheapflights users on 12/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:55 pmSFO - MEL
1 stop42h 35mCathay Pacific
Sun 1/258:40 amMEL - SFO
1 stop31h 20mCathay Pacific
Deal found 12/4$1,123
This FlightHub deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:45 pmSFO - MEL
1 stop38h 25mCathay Pacific
Fri 1/233:35 pmMEL - SFO
1 stop24h 25mCathay Pacific
Deal found 12/5$1,133
This FlightHub deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:00 pmSFO - MEL
1 stop27h 00mChina Eastern
Fri 1/2312:00 pmMEL - SFO
1 stop40h 00mChina Eastern
Deal found 12/5$1,147
This oojo deal was found by Cheapflights users on 12/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:55 pmSFO - MEL
1 stop37h 15mCathay Pacific
Thu 1/228:40 amMEL - SFO
1 stop26h 25mCathay Pacific
Deal found 12/7$1,199
This Alaska Airlines deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/57:15 amSFO - SYD
1 stop17h 30mAlaska Airlines
Thu 12/119:40 pmSYD - SFO
2 stops21h 19mAlaska Airlines
Deal found 12/5$1,200
This oojo deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:25 amSFO - SYD
1 stop27h 10mCathay Pacific
Mon 1/193:15 pmSYD - SFO
1 stop24h 45mCathay Pacific
Deal found 12/5$1,205
This FlightHub deal was found by Cheapflights users on 12/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:55 pmSFO - MEL
1 stop37h 15mCathay Pacific
Wed 1/213:35 pmMEL - SFO
1 stop24h 25mCathay Pacific
Deal found 12/5$1,208

Find flight deals from San Francisco to Australia

Keep the following information in mind while searching for San Francisco to Australia flight deals. Data was last updated December 7, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$845
(lol.travel)

One-way from

$512
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$1,591

Good round-trip deal

$996 or less

Good one-way deal

$747 or less
Provider with most accurate pricing for San Francisco-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for San Francisco-Sydney Kingsford Smith flights.
From San Francisco to Australia
One-way flight from San Francisco to Australia
Highest demand for flights based on searches. 13% potential increase in price ($182 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from San Francisco to Australia.
Price to beat on a one-way flight from San Francisco to Australia.

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Australia 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 2,558,603 searches. Data last updated December 7, 2025.
Use the filters below to find and compare flights from San Francisco to Australia that are best for you.

Fly from

San Francisco

Fly to

Australia

Route

Depart

Return

Price

San FranciscoMelbourne

SFO - AVV

SFOAVV

San Francisco

Thu 5/21

6:45 pm-4:05 pm

2 stops28h 20m

Melbourne Avalon

Tue 6/2

8:55 pm-10:33 am

2 stops30h 38m

$994

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Mon 1/12

9:45 pm-6:55 am

1 stop41h 10m

Perth

Sat 1/24

12:25 am-9:00 pm

1 stop36h 35m

$1,008

San FranciscoPerth

SFO - PER

SFOPER

San Francisco

Mon 3/2

9:40 am-5:25 am

1 stop27h 45m

Perth

Mon 3/16

1:50 pm-8:50 am

1 stop34h 00m

$1,025

San FranciscoAdelaide

SFO - ADL

SFOADL

San Francisco

Thu 2/26

6:00 pm-4:10 pm

2 stops27h 40m

Adelaide

Mon 3/2

6:55 pm-3:35 pm

2 stops39h 10m

$1,039

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Tue 2/17

11:05 pm-10:00 am

Nonstop15h 55m

Melbourne

Sun 3/1

1:00 pm-8:25 am

Nonstop14h 25m

$1,041

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Sun 2/1

11:05 pm-10:00 am

Nonstop15h 55m

Melbourne

Sun 2/8

1:00 pm-8:25 am

Nonstop14h 25m

$1,041

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Sun 4/26

11:20 pm-8:15 am

Nonstop15h 55m

Melbourne

Wed 5/20

10:55 am-8:10 am

Nonstop14h 15m

$1,041

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Wed 3/4

11:05 pm-10:00 am

Nonstop15h 55m

Melbourne

Wed 3/11

12:00 pm-8:25 am

Nonstop14h 25m

$1,041

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Mon 3/9

11:05 pm-9:00 am

Nonstop15h 55m

Melbourne

Mon 3/16

12:00 pm-8:25 am

Nonstop14h 25m

$1,041

San FranciscoMelbourne

SFO - MEL

SFOMEL

San Francisco

Mon 1/26

11:05 pm-10:00 am

Nonstop15h 55m

Melbourne

Sun 2/8

1:00 pm-8:25 am

Nonstop14h 25m

$1,042

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from San Francisco to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from San Francisco with our price prediction graph.
Estimated round-trip 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 San Francisco to Australia

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Australia (average of $223). Flying from San Francisco to Australia in December is currently the most expensive (average of $789). 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 AU?

Find hourly flight availability from San Francisco to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2025.

One of the essential ways to save on airfare from San Francisco to Australia is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 54% on airfare.

What is the cheapest day to fly from San Francisco to Australia?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Australia. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their San Francisco to Australia flight should consider departing on Friday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from San Francisco to Australia

Explore weekly flight availability from San Francisco to Australia. 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 December 7, 2025.

The most flights from SFO to AU0 are scheduled on a Friday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

How often are flights from San Francisco to Australia delayed?

About 16% of weekly flights between San Francisco and Australia have experienced delays in the past year, with the average delay time being 186 minutes.

What is the most punctual flight time for San Francisco to Australia flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on San Francisco to Australia flights?

Over the last year, Qantas Airways have had the lowest number of delays on this route, with just 6% of flights being delayed.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated December 7, 2025.
Read reviews from past customers who have flown Fiji Airways, Air New Zealand, and Qantas Airways from San Francisco to Australia. 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.

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Boarding

8.2

Food

7.5

Overall

8.1

Crew

8.5

Comfort

8.0

Entertainment

7.5

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from San Francisco to Australia?

    If you book a flight to Australia from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

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

  • How long is the flight from San Francisco to Australia?

    Cathay Pacific, Singapore Airlines, and Air Canada can get you from San Francisco to Australia in just under 27h 40m. Your travel time can differ by up to 13h 30m. There are 8071 mi between San Francisco and Australia. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $291. However, be on the lookout for offers from Hawaiian Airlines and Delta, as they are both options that can get you from San Francisco to Australia for a low price.

  • What are the most popular routes from San Francisco to Australia?

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

    Before booking your flight to Australia from San Francisco, check out the most reliable airlines to get you to your destination on time: American Airlines (63%), Alaska Airlines (63%), Qantas Airways( 63%).

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

    On average you can expect to pay $2,290 for a flight from San Francisco to Australia. The cheapest flight overall is $676 while the most popular route, (San Francisco - Sydney Kingsford Smith) is currently priced at $674.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Australia (average of $223). Flying from San Francisco to Australia in December is currently the most expensive (average of $789). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Australia

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

Top 10 airlines flying from San Francisco to Australia

Discover the top 10 airlines that operate flights from San Francisco to Australia. 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 2,558,603 searches. Data last updated December 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$48Average$98FlexibilityNo cancel feeOn-time62%
Philippine AirlinesCheapest$145Average$224FlexibilityNo cancel feeOn-time60%
Hawaiian AirlinesCheapest$499Average$1,075FlexibilityNo cancel feeOn-time85%
DeltaCheapest$534Average$933FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$598Average$893FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$745Average$1,074FlexibilityNo cancel feeOn-time67%
ANACheapest$803Average$1,037FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$846Average$1,060FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$850Average$1,207FlexibilityNo cancel feeOn-time71%
Qantas AirwaysCheapest$899Average$1,380FlexibilityNo cancel feeOn-time74%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.