Cheap Flights from Sydney to San Francisco International

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Compare Sydney to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

Book the best San Francisco International fare with no extra fees

Flight deals from Sydney to San Francisco International

Looking for a cheap last-minute deal or the best return flight from Sydney to San Francisco International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sydney to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sydney to San Francisco International flights are currently cheapest in May.

Direct flights from Sydney to San Francisco International

Sydney to San Francisco International: Alternative routes

Compare routes from Sydney to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Sydney to San Francisco: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 17,076
Cheapest month to flyMay
Average flight time13 hrs, 36 mins
Most popular airlineVirgin Australia
Average flights per week81

Finding cheap flights from Sydney to San Francisco International: Frequently asked questions

The best price we found for a return flight from Sydney to San Francisco International is ج.م.‏ 43,334. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
13 hours and 36 minutes is the average flight time from Sydney to San Francisco International.
Virgin Australia, SWISS and Lufthansa fly direct from Sydney to San Francisco International.
As of March 2025, there are 81 flights per week flying from Sydney to San Francisco International.
The cheapest month to fly from Sydney to San Francisco International is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sydney Airport to San Francisco International Airport on Wednesday, 26 March 2025.
Yes – the average flight time is 13 hours and 36 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Jetstar and United offer the cheapest flight tickets to San Francisco International.

Flying from Sydney (Kingsford Smith) Airport (SYD) to San Francisco International Airport (SFO): what you need to know

  • The average length of a direct flight from Sydney (Kingsford Smith) Airport to San Francisco International Airport is 13 hours 33 minutes. San Francisco's timezone is UTC-7, making San Francisco 18 hours behind Sydney.

  • Take your pick of 34 weekly flights from Sydney (Kingsford Smith) Airport to San Francisco International Airport. The 10:20 departure with United Airlines is the earliest flight out from SYD to SFO. United Airlines operates the last service of the day at 23:05 if early mornings aren't your thing.

  • If you're travelling during a popular month like July, get to the terminal even earlier. It's wise to arrive up to four hours before international flights and two hours ahead of a domestic departure. You can expect lines to be longer during peak periods like Thanksgiving, Christmas and New Year.

  • United Airlines has direct flights from Sydney (Kingsford Smith) Airport to San Francisco International Airport. Book with this popular carrier, then get ready to tick off the sights in San Francisco — plus maybe even more of United States if you have time.

  • We make it easy to get a flight with a stopover. To look at your options for flights from Sydney (Kingsford Smith) Airport to San Francisco International Airport, deselect 'Direct flights only.' Then, choose a flight offering a stop long enough to tour the city of your choice. Popular stopovers between SYD and SFO are:

    • Daniel K. Inouye International Airport

    • Brisbane Airport

    • Hong Kong International Airport

  • To see if you need a visa to enter United States, check with your carrier and the local consulate or embassy. They'll provide you with the most up-to-date details, including other travel documents you may need after booking your cheap ticket from SYD to SFO.

How to find the cheapest flights from Sydney (Kingsford Smith) Airport (SYD) to San Francisco International Airport (SFO)

  • ج.م.‏ 17,076 is the lowest price for a one-way ticket from Sydney (Kingsford Smith) Airport to San Francisco International Airport. Return flights start from ج.م.‏ 43,334. These fares can change based on demand and availability.

  • To pick up cheap flight tickets from SYD to SFO, book in advance. Airlines generally offer the most competitive fares when flights are first made available.

  • August is the cheapest month for flight tickets from Sydney (Kingsford Smith) Airport to San Francisco International Airport. If you'd like to travel during a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Create a Price Alert for cheap flight tickets from SYD to SFO. You don't need to check every day to see if airfares have dropped. We'll tell you the moment the price changes.

  • Use filters to tailor your flights from Sydney (Kingsford Smith) Airport to San Francisco International Airport. Simply enter your ideal departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Handy information about Sydney (Kingsford Smith) Airport (SYD)

  • The journey from central Sydney to Sydney (Kingsford Smith) Airport takes about 27 minutes by public transport. If you ride-share, drive or grab a cab, you'll cover the 18 kilometres in 21 minutes or so, depending on traffic conditions.

  • Want a leisurely start to your travels? Stay near SYD. Whether you've booked an early flight from Sydney (Kingsford Smith) Airport to San Francisco International Airport or just don't like being rushed, these stays are perfect:

Arriving at San Francisco International Airport (SFO)

Getting from San Francisco International Airport (SFO) to central San Francisco

  • San Francisco International Airport is approximately 21 kilometres from the centre of San Francisco. With a cab or in your own car rental, the drive is about 20 minutes.

  • It takes around 47 minutes when travelling by public transport.

When to fly to San Francisco International Airport (SFO)

  • August is the busiest month for flights from Sydney (Kingsford Smith) Airport to San Francisco International Airport. To steer clear of the crowds, head to San Francisco in February.

  • Book your flight from Sydney (Kingsford Smith) Airport to San Francisco International Airport for September if you'd like to visit San Francisco during its warmest month. Expect temperatures of between 12 ºC and 22 ºC.

  • If you want cooler conditions, look for a cheap ticket from SYD to SFO in January. Average temperatures are between 6 ºC and 16 ºC then.

More about San Francisco

  • Once you've booked your flights from SYD to SFO, you'll want to find a hotel in San Francisco. Make one of these options your base for exploring this top destination:

  • Golden Gate Bridge and Alcatraz Island are just the start of the top attractions to add to your San Francisco must-do list. Keep the momentum going by heading to Lombard Street.

Complete your San Francisco trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. After booking your cheap ticket to San Francisco International Airport, browse our car rental offers that'll give you the flexibility to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find your perfect San Francisco stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.