$498 Cheap Flights from San Francisco (SFO) to Sydney (SYD)

You can find cheap one-way flights from $498 and cheap return flights $996 San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) with Expedia. One-way flights typically cost between $609 and $8058, and return flights often range between $1281 and $11074. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

The cheapest month to fly from SFO to SYD is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

There are 2 airlines offering direct flights from SFO to SYD:

• United operates around 8 direct flights from SFO to SYD every week
• Qantas Airways operates around 7 direct flights from SFO to SYD every week

To find a cheap flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The best airline to fly with from San Francisco, CA (SFO) to Sydney, NSW (SYD) will differ from traveler to traveler. If you like to fly early, Qantas Airways offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United also offers the most daily flights from SFO to SYD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

On average, there are around 2 nonstop flights per day from San Francisco Intl. (SFO) to Kingsford Smith Intl. (SYD). For more options, look at flights that include layovers.

The earliest flight from San Francisco International Airport (SFO) to Kingsford Smith International Airport (SYD) typically departs at around 12:05 AM local time, operated by Cathay Pacific. This is a seasonal service active in June, July, August, September, and can help you maximize your time in Sydney. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

The most popular departure times for flights from San Francisco International Airport (SFO) to Sydney (SYD) are in the late evening, from 9pm to midnight. About 31% of passengers prefer this time window. Many major carriers, including United, Qantas Airways, and Fiji Airways, offer flights during this window. This timing works well because it allows you to enjoy a full day in San Francisco before heading off to Australia.

A nonstop flight from SFO to SYD typically takes around 15 hours, covering approximately 7,425 miles. Connecting flights on this route usually add 4 hours 20 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Business class is available on flights from SFO to SYD. Airlines that offer business class service on this route include:

• Qantas Airways
• American Airlines
• Korean Air
• Japan Airlines
• Singapore Airlines
• Cathay Pacific
• Air Canada
• United Airlines
• Emirates
• China Eastern Airlines

First class cabins are available on:

• American Airlines
• Emirates
• United Airlines
• British Airways

A direct, return business class ticket from San Francisco (SFO) to Sydney (SYD) typically costs between $10,875 - $16,826. A non-stop, one-way business class flight is usually around $4,989 - $9,781 per adult in economy/coach class. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) if you opt for a connecting flight.

*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

From San Francisco Intl. (SFO), you can fly into Kingsford Smith Intl. (SYD) to reach Sydney. Some flights may connect through major hubs like Los Angeles Intl. (LAX), Dubai Intl. (DXB), Vancouver Intl. (YVR) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Typically, booking a last minute flight from San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) Sydney Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your San Francisco, CA (SFO-San Francisco Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.