Cheap flights from San Francisco to Sydney from £401
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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SYD
6 Dec — 13 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Sydney Kingsford Smith are usually found in February or June, booked 32 days in advance, depart on a Tuesday or Monday and return on a Thursday
Find flight deals from San Francisco to Sydney
Enter your travel dates to find the best prices.
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 6 November 2025.
Fri 14/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Sat 13/1221:40SYD - SFO
1 stop16h 35mAlaska Airlines
Deal found 5/11£802
Sun 9/1120:15SFO - SYD
Nonstop14h 55mQantas Airways
Sun 16/1121:25SYD - SFO
Nonstop13h 30mQantas Airways
Deal found 5/11£804
Wed 12/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Sun 1/221:40SYD - SFO
1 stop17h 05mAlaska Airlines
Deal found 5/11£805
Thu 27/1120:40SFO - SYD
1 stop28h 05mAlaska Airlines
Mon 22/1221:40SYD - SFO
1 stop16h 40mAlaska Airlines
Deal found 5/11£813
Thu 4/1222:50SFO - SYD
Nonstop15h 25mUnited Airlines
Fri 19/1214:00SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£816
Thu 4/1218:50SFO - SYD
1 stop19h 15mUnited Airlines
Tue 30/1212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 3/11£818
Sat 29/1118:55SFO - SYD
1 stop19h 10mUnited Airlines
Tue 2/1212:10SYD - SFO
Nonstop13h 40mUnited Airlines
Deal found 4/11£819
Thu 20/1107:25SFO - SYD
1 stop30h 40mUnited Airlines
Mon 1/1212:10SYD - SFO
Nonstop13h 40mUnited Airlines
Deal found 4/11£821
Mon 24/1122:50SFO - SYD
Nonstop15h 25mUnited Airlines
Wed 10/1211:20SYD - SFO
1 stop25h 22mUnited Airlines
Deal found 4/11£824
Wed 3/1222:50SFO - SYD
Nonstop15h 25mUnited Airlines
Wed 10/1211:20SYD - SFO
1 stop25h 22mUnited Airlines
Deal found 3/11£825
Sun 16/1119:57SFO - SYD
1 stop28h 48mAlaska Airlines
Thu 29/121:40SYD - SFO
1 stop17h 05mAlaska Airlines
Deal found 5/11£826
Sat 29/1113:25SFO - SYD
1 stop24h 40mUnited Airlines
Tue 23/1211:20SYD - SFO
1 stop19h 40mUnited Airlines
Deal found 4/11£827
Best flights from San Francisco to Sydney
Discover carefully curated flight deals from San Francisco to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 6 November 2025.
Sat 24/107:31SFO - SYD
1 stop17h 14mAlaska Airlines
Sun 8/221:40SYD - SFO
1 stop17h 05mAlaska Airlines
Deal found 4/11£813
Mon 23/222:55SFO - SYD
Nonstop15h 20mUnited Airlines
Mon 23/312:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 3/11£816
Thu 5/209:50SFO - SYD
2 stops26h 00mDelta
Sun 15/210:40SYD - SFO
2 stops24h 30mDelta
Deal found 4/11£831
Thu 22/120:15SFO - SYD
Nonstop15h 05mUnited Airlines
Sat 7/212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£816
Sat 29/1106:00SFO - SYD
2 stops31h 30mDelta
Sun 7/1210:40SYD - SFO
1 stop22h 56mDelta
Deal found 4/11£831
Sun 25/118:50SFO - SYD
1 stop19h 15mUnited Airlines
Thu 12/212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£819
Sun 30/1109:51SFO - SYD
2 stops27h 39mDelta
Fri 5/1210:40SYD - SFO
2 stops32h 23mDelta
Deal found 4/11£831
Sat 24/118:53SFO - SYD
1 stop19h 12mUnited Airlines
Sun 8/212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£819
Thu 22/117:05SFO - SYD
2 stops20h 25mDelta
Wed 28/110:40SYD - SFO
1 stop18h 24mDelta
Deal found 4/11£831
Fri 27/218:50SFO - SYD
1 stop19h 15mUnited Airlines
Mon 18/509:30SYD - SFO
1 stop18h 18mUnited Airlines
Deal found 3/11£821
Sun 22/218:50SFO - SYD
1 stop19h 15mUnited Airlines
Wed 20/509:30SYD - SFO
1 stop18h 18mUnited Airlines
Deal found 3/11£821
Direct flights from San Francisco to Sydney
Explore direct flight options from San Francisco to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 6 November 2025.
Tue 10/321:15SFO - SYD
Nonstop14h 55mQantas Airways
Tue 24/321:25SYD - SFO
Nonstop13h 30mQantas Airways
Deal found 5/11£804
Sun 1/220:15SFO - SYD
Nonstop15h 05mUnited Airlines
Sat 7/212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£815
Tue 21/422:50SFO - SYD
Nonstop15h 05mUnited Airlines
Tue 5/510:20SYD - SFO
Nonstop13h 30mUnited Airlines
Deal found 4/11£815
Tue 27/120:15SFO - SYD
Nonstop15h 05mUnited Airlines
Mon 23/212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£816
Fri 30/120:15SFO - SYD
Nonstop14h 55mQantas Airways
Fri 6/221:25SYD - SFO
Nonstop13h 30mQantas Airways
Deal found 4/11£824
Sun 18/120:15SFO - SYD
Nonstop14h 55mQantas Airways
Sun 25/121:25SYD - SFO
Nonstop13h 30mQantas Airways
Deal found 3/11£825
Sun 5/422:50SFO - SYD
Nonstop15h 05mUnited Airlines
Sat 11/410:20SYD - SFO
Nonstop13h 30mUnited Airlines
Deal found 4/11£882
Mon 30/322:50SFO - SYD
Nonstop15h 05mUnited Airlines
Sat 4/411:20SYD - SFO
Nonstop13h 30mUnited Airlines
Deal found 4/11£884
Fri 23/123:00SFO - SYD
Nonstop15h 15mUnited Airlines
Wed 4/212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£892
Wed 3/1220:15SFO - SYD
Nonstop15h 05mUnited Airlines
Wed 10/1212:10SYD - SFO
Nonstop13h 40mUnited Airlines
Deal found 4/11£908
Mon 23/222:55SFO - SYD
Nonstop15h 20mUnited Airlines
Wed 4/312:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 6/11£918
Tue 30/1223:00SFO - SYD
Nonstop15h 15mUnited Airlines
Wed 14/114:00SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 5/11£918
Last-minute flights from San Francisco to Sydney
Discover last-minute flight deals from San Francisco to Sydney. Data last updated 6 November 2025 and is based on user searches.
Sun 9/1120:15SFO - SYD
Nonstop14h 55mQantas Airways
Sun 16/1121:25SYD - SFO
Nonstop13h 30mQantas Airways
Deal found 5/11£804
Wed 12/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Sun 1/221:40SYD - SFO
1 stop17h 05mAlaska Airlines
Deal found 5/11£805
Fri 14/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Tue 9/1221:40SYD - SFO
1 stop16h 35mAlaska Airlines
Deal found 5/11£802
Sun 16/1119:57SFO - SYD
1 stop28h 48mAlaska Airlines
Fri 30/121:40SYD - SFO
1 stop17h 05mAlaska Airlines
Deal found 5/11£826
Thu 20/1107:25SFO - SYD
1 stop30h 40mUnited Airlines
Mon 1/1212:10SYD - SFO
Nonstop13h 40mUnited Airlines
Deal found 4/11£821
Mon 24/1122:50SFO - SYD
Nonstop15h 25mUnited Airlines
Wed 10/1211:20SYD - SFO
1 stop25h 22mUnited Airlines
Deal found 4/11£824
Thu 27/1120:40SFO - SYD
1 stop28h 05mAlaska Airlines
Mon 22/1221:40SYD - SFO
1 stop16h 40mAlaska Airlines
Deal found 5/11£813
Sat 29/1117:55SFO - SYD
1 stop20h 10mUnited Airlines
Sun 21/1214:00SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£819
Wed 3/1222:50SFO - SYD
Nonstop15h 25mUnited Airlines
Wed 10/1211:20SYD - SFO
1 stop25h 22mUnited Airlines
Deal found 3/11£825
Thu 4/1222:50SFO - SYD
Nonstop15h 25mUnited Airlines
Tue 23/1212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 4/11£816
Thu 4/1218:50SFO - SYD
1 stop19h 15mUnited Airlines
Tue 30/1212:10SYD - SFO
Nonstop13h 45mUnited Airlines
Deal found 3/11£818
One-way flights from San Francisco to Sydney
Search for one-way flight options from San Francisco to Sydney. Find affordable one-way fares based on user searches. Data last updated 6 November 2025.
Mon 23/323:50SFO - SYD
2 stops38h 15mMultiple Airlines
Deal found 4/11£401
Mon 23/323:30SFO - SYD
1 stop40h 20mPhilippine Airlines
Deal found 4/11£403
Thu 23/407:35SFO - SYD
1 stop19h 10mAlaska Airlines
Deal found 5/11£479
Thu 12/207:35SFO - SYD
1 stop17h 10mAlaska Airlines
Deal found 3/11£481
Sat 15/1107:25SFO - SYD
1 stop17h 20mAlaska Airlines
Deal found 4/11£484
Sun 8/211:25SFO - SYD
1 stop27h 10mCathay Pacific
Deal found 3/11£493
Mon 26/118:34SFO - SYD
1 stop30h 11mAlaska Airlines
Deal found 5/11£502
Wed 18/220:15SFO - SYD
Nonstop15h 05mUnited Airlines
Deal found 6/11£525
Mon 26/120:15SFO - SYD
Nonstop15h 05mUnited Airlines
Deal found 5/11£526
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 6 November 2025.
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 6 November 2025.
Use the filters below to find and compare flights from San Francisco to Sydney that are best for you.
Fly from
San Francisco
Fly to
Sydney
Route
Depart
Return
Price
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sat 24/1
07:31-19:45
1 stop17h 14m
Sydney Kingsford Smith
Sun 8/2
21:40-19:45
1 stop17h 05m
£813
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Mon 23/2
22:55-09:15
Nonstop15h 20m
Sydney Kingsford Smith
Mon 23/3
12:10-07:55
Nonstop13h 45m
£816
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Thu 22/1
20:15-06:20
Nonstop15h 05m
Sydney Kingsford Smith
Sat 7/2
12:10-06:55
Nonstop13h 45m
£816
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sun 25/1
18:50-09:05
1 stop19h 15m
Sydney Kingsford Smith
Thu 12/2
12:10-06:55
Nonstop13h 45m
£819
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sat 24/1
18:53-09:05
1 stop19h 12m
Sydney Kingsford Smith
Sun 8/2
12:10-06:55
Nonstop13h 45m
£819
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Fri 27/2
18:50-09:05
1 stop19h 15m
Sydney Kingsford Smith
Mon 18/5
09:30-10:48
1 stop18h 18m
£821
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sun 22/2
18:50-09:05
1 stop19h 15m
Sydney Kingsford Smith
Wed 20/5
09:30-10:48
1 stop18h 18m
£821
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Thu 5/2
09:50-06:50
2 stops26h 00m
Sydney Kingsford Smith
Sun 15/2
10:40-16:10
2 stops24h 30m
£831
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sat 29/11
06:00-08:30
2 stops31h 30m
Sydney Kingsford Smith
Sun 7/12
10:40-14:36
1 stop22h 56m
£831
San FranciscoSydney
SFO - SYD
SFOSYD
San Francisco
Sun 30/11
09:51-08:30
2 stops27h 39m
Sydney Kingsford Smith
Fri 5/12
10:40-00:03
2 stops32h 23m
£831
Flights are sorted by cheapest return flights first.
Deals found on 3/11
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.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Sydney
Prices
Airlines
Delays
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 31 October 2025.
The best time to book flights from San Francisco to Sydney is 32 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, February is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £225). Flying from San Francisco to Sydney in October is currently the most expensive (average of £637). 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 6 November 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco to Sydney as you normally would.
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 6 November 2025.
The most flights from SFO to SYD are scheduled on a Tuesday (8 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 Sydney delayed?
About 17% of weekly flights between San Francisco and Sydney have experienced delays in the past year, with the average delay time being 180 minutes.
What is the most punctual flight time for San Francisco to Sydney 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 Sydney flights?
Over the past year, American Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.
What’s the top stopover airport for flights from San Francisco to Sydney?
Share of one-stop return flights from San Francisco to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Auckland (AKL) – chosen by Cheapflights users on 50% of one-stop itineraries from San Francisco to Sydney on Cheapflights.
What’s the fastest stopover option from San Francisco to Sydney?
Shortest average travel time for one-stop one-way flights from San Francisco to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Auckland (AKL) have the shortest average one-way travel time for one-stop routes: 17h 40m.
What’s the fastest stopover option from San Francisco to Sydney?
Shortest average travel time for one-stop one-way flights from San Francisco to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Auckland (AKL) have the shortest average one-way travel time for one-stop routes: 17h 40m.
Which airport typically offers the quickest stopover for flights from San Francisco to Sydney?
Average stopover duration for one-stop one-way flights from San Francisco to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Auckland (AKL) offer the fastest connection on this route, with an average stopover time of 2h 03m.
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 6 November 2025.
See what other customers who have flown with United Airlines from San Francisco to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
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 6 flights from San Francisco to Sydney per day from 1 airline.
How popular is this San Francisco to Sydney flight route?
This flight path from San Francisco to Sydney Kingsford Smith was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from San Francisco to Sydney?
For as low as £816, Alaska Airlines can have you in Sydney from San Francisco in 15h 20m. Airlines will cover a distance of 7420 mi. This flight may include one or multiple stops.
What is the cheapest airline to fly from San Francisco to Sydney round-trip?
Flying on United Airlines is currently your cheapest option to Sydney, with prices starting at £736. United Airlines is currently priced 19% below the average price you’ll pay for this route.
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 Alaska Airlines (64%), Qantas Airways (64%) or American Airlines (63%) as they are the most reliable in getting you off to your destination on time.
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, February is the cheapest month in which you can book a flight from San Francisco to Sydney (average of £225). Flying from San Francisco to Sydney in October is currently the most expensive (average of £637). 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.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 6 November 2025.
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 6 November 2025.
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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