A sunset over Sydney's skyline, including the Sydney Opera House and Harbour Bridge.

$648 Cheap Flights from Austin (AUS) to Sydney (SYD)

View $648 flight on Tue, Aug 25, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Sydney Airport (SYD)

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Cheap Flights from Austin to Sydney (AUS-SYD)

Prices were available within the past 7 days and start at $648 for one-way flights and $1,048 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Aug 31 - Sun, Sep 13
AUS
Austin
SYD
Sydney
$1,048 Roundtrip, found 1 hour ago
$1,048
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Aug 31 from Austin to Sydney, returning Sun, Sep 13, priced at $1,048 found 1 hour ago
Air Canada
Sun, Aug 16 - Wed, Aug 19
AUS
Austin
SYD
Sydney
$1,051 Roundtrip, found 1 day ago
$1,051
Roundtrip
found 1 day ago
Select Air Canada flight, departing Sun, Aug 16 from Austin to Sydney, returning Wed, Aug 19, priced at $1,051 found 1 day ago
Air Canada
Tue, Oct 20 - Wed, Oct 28
AUS
Austin
SYD
Sydney
$1,056 Roundtrip, found 1 day ago
$1,056
Roundtrip
found 1 day ago
Select Air Canada flight, departing Tue, Oct 20 from Austin to Sydney, returning Wed, Oct 28, priced at $1,056 found 1 day ago
Air Canada
Mon, Aug 31 - Sun, Sep 13
AUS
Austin
SYD
Sydney
$1,062 Roundtrip, found 1 hour ago
$1,062
Roundtrip
found 1 hour ago
Select Air Canada flight, departing Mon, Aug 31 from Austin to Sydney, returning Sun, Sep 13, priced at $1,062 found 1 hour ago
United
Sun, Aug 23 - Sun, Aug 30
AUS
Austin
SYD
Sydney
$1,238 Roundtrip, found 5 days ago
$1,238
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 23 from Austin to Sydney, returning Sun, Aug 30, priced at $1,238 found 5 days ago
Air New Zealand
Sun, Feb 14 - Wed, Feb 17
AUS
Austin
SYD
Sydney
$1,264 Roundtrip, found 5 days ago
$1,264
Roundtrip
found 5 days ago
Select Air New Zealand flight, departing Sun, Feb 14 from Austin to Sydney, returning Wed, Feb 17, priced at $1,264 found 5 days ago
Qantas Airways
Tue, Oct 27 - Tue, Nov 10
AUS
Austin
SYD
Sydney
$1,303 Roundtrip, found 3 hours ago
$1,303
Roundtrip
found 3 hours ago
Select Qantas Airways flight, departing Tue, Oct 27 from Austin to Sydney, returning Tue, Nov 10, priced at $1,303 found 3 hours ago
American Airlines
Tue, Oct 27 - Tue, Nov 10
AUS
Austin
SYD
Sydney
$1,305 Roundtrip, found 3 hours ago
$1,305
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, Oct 27 from Austin to Sydney, returning Tue, Nov 10, priced at $1,305 found 3 hours ago
Delta
Tue, Oct 27 - Tue, Nov 10
AUS
Austin
SYD
Sydney
$1,309 Roundtrip, found 3 hours ago
$1,309
Roundtrip
found 3 hours ago
Select Delta flight, departing Tue, Oct 27 from Austin to Sydney, returning Tue, Nov 10, priced at $1,309 found 3 hours ago
Alaska Airlines
Tue, Sep 15 - Tue, Sep 29
AUS
Austin
SYD
Sydney
$1,379 Roundtrip, found 2 days ago
$1,379
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Sep 15 from Austin to Sydney, returning Tue, Sep 29, priced at $1,379 found 2 days ago

Alternative airports near Sydney

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kingsford Smith Intl. SYD. Cheapest option available. Average driving time to city center is 16 minutes. Flights from $1,475
SYD
Kingsford Smith Intl.
Cheapest
Average driving time to city center16 min
Flights from $1,475

Find the cheapest month to fly from Austin (AUS) to Sydney (SYD)

September is typically the cheapest month to fly

From $1,120 - $1,402 per traveler.

What you need to know for your flight from Austin-Bergstrom Intl. to Kingsford Smith Intl.

Austin (AUS) to Sydney (SYD) at a glance

Travel from Austin (AUS) to Sydney (SYD) with a selection of airlines offering a range of options on this international long-haul journey. Evaluate full-service carriers to discover the itinerary that aligns with your budget and schedule while you explore the iconic sights and diverse neighborhoods of Sydney. Here, you’ll find essential information about flights departing from Austin-Bergstrom International Airport (AUS) to Kingsford Smith International Airport (SYD).

  • Fastest flight duration: around 18h 45m in-flight, plus roughly 2 hours layover with one stop
  • Route distance: roughly 8,500 miles (13,680 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $455–$1375, depending on seasonality and how far ahead you book

Flights from Austin-Bergstrom International Airport (AUS) to Kingsford Smith International Airport (SYD)

Based on recent traveler bookings, here are the top airlines flying from Austin to Sydney, favored for their one-stop and multi-stop flights. Popular layovers include Los Angeles International Airport (LAX) with a layover of about 2 hours and 15 minutes, San Francisco International Airport (SFO) with approximately 1 hour and 30 minutes, and George Bush Intercontinental Airport (IAH) which has a layover time of around 2 hours and 30 minutes. This variety allows you to customize your journey by balancing price, total travel time, and cabin class to secure the ideal itinerary.

  • United: This full-service airline provides one-stop flights, with one-way ticket prices generally between $455 and $1340. It represents about 48% of departures on this route. The flying time is approximately 18 hours and 45 minutes, with a total travel duration of around 20 hours and 45 minutes, including layovers.
  • Delta: As a full-service carrier, Delta offers one-stop services, with one-way fares typically ranging from $485 to $1490. It comprises roughly 18% of the departures for this route. Expect an in-flight duration of about 18 hours and 45 minutes, resulting in a total journey time of nearly 20 hours and 45 minutes, including layovers.
  • American Airlines: Providing one-stop service, this full-service airline has one-way fares that usually fall between $585 and $1030. American Airlines accounts for around 15% of the departures on this route. The flight time is approximately 18 hours and 45 minutes, with a total travel time of about 20 hours and 45 minutes, including layovers.
  • Qantas Airways: This full-service carrier offers one-stop flights with one-way fares typically ranging from $475 to $1255. Qantas Airways makes up about 13% of the departures for this route. The in-flight duration is around 18 hours and 45 minutes, leading to a total journey time of about 20 hours and 45 minutes, including layovers.

Alternative route from Austin (AUS) to Sydney (SYD)

  • San Antonio to Sydney (SAT-SYD): Located approximately 67 miles from Austin-Bergstrom International Airport (AUS), San Antonio International Airport (SAT) serves as a gateway for flights to Sydney. One-way economy prices on this route generally fall between $480 and $1450, influenced by the season and how far in advance you book. Travelers can choose from one-stop or multi-stop flights, with common layover points being Los Angeles International Airport (LAX) and George Bush Intercontinental Airport (IAH). Major airlines operating on this route include United and American Airlines.

How to find the best prices for flights from Austin (AUS) to Sydney (SYD)

Getting some of the best deals on flights from Austin to Sydney is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are typically found when booking 2-8 weeks in advance, although most travelers tend to book at least 2 months ahead. Afternoon departures from 12 PM to 6 PM are not only the most popular but also often offer lower prices. Additionally, flying on Fridays usually provides cheaper options, even though Thursday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Kingsford Smith International Airport from Austin-Bergstrom International Airport

Sydney welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Here's how to reach Sydney efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Sydney, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Kingsford Smith International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kingsford Smith International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Kingsford Smith International Airport, travelers will find International Airport Station, a metro station, just about 0.1 miles away on foot. For those needing train services, Sydney Arncliffe Station is located approximately 1.2 miles away by car, while Sydney Seaport, a seaport, is situated around 6.7 miles from the airport by car.

Frequently asked questions

How much does a flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) cost?
You can find cheap one-way flights from $648 and cheap return flights from $1,048 Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) with Expedia. One-way flights generally range between $677 and $6259, and roundtrip flights usually range from $1174 to $9217. 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 Austin, TX (AUS-Austin-Bergstrom 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.
What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The cheapest month to fly from AUS to SYD is August 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.
Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Enter AUS to SYD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Air Tahiti Nui is one of the cheapest airlines offering connecting flights from Austin, TX (AUS) to Sydney, NSW (SYD), with round-trip tickets starting from around $1,704. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom 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.
What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
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.
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The earliest flight from Austin (AUS) to Sydney (SYD) usually leaves at around 5:00 AM, operated by American Airlines and Qantas Airways. This seasonal service is available in December, giving you a head start on your adventure in Sydney. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
The most popular departure times for flights from Austin (AUS) to Sydney (SYD) are in the afternoon, from 3pm to 6pm. About 35% of passengers prefer this time window, making it a busy time for travelers. Many major carriers, including United Airlines, Qantas, and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning in Austin before your flight.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Flying from AUS to SYD with a connection usually takes about 20 hours, traveling roughly 8,476 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
Business class is available on flights from AUS to SYD. Airlines that offer business class service on this route include:

  • American Airlines
  • United Airlines
  • British Airways
  • Air Canada
  • Lufthansa
  • Delta Air Lines

First class is available with American Airlines.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom 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.
What airports do you fly into for Sydney from Austin-Bergstrom Intl. (AUS)?
If you're planning to travel to Sydney from Austin-Bergstrom Intl. (AUS), you can fly into Kingsford Smith Intl. (SYD) Some flights may connect through major hubs like George Bush Intercontinental (IAH), Denver Intl. (DEN), Los Angeles Intl. (LAX) before reaching Sydney. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom 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.
Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom 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.
Can I cancel or change the date of my flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Sydney, NSW (SYD-Kingsford Smith Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom 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.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, Alaska Airlines, All Nippon Airways, American Airlines, Asiana Airlines, British Airways, Cathay Pacific, China Airlines, Delta, Japan Airlines, Korean Air, Lufthansa, Qantas Airways, Qatar Airways, Singapore Airlines, United
Roundtrip price
$1,047
Distance
8475 mi

Book with confidence

Austin to Sydney Flights

The cheapest times to fly from Austin to Sydney

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Sydney are during the month of August. You can find some of the cheapest flights from Austin to Sydney with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Sydney

Sunday is one of the best days to book for cheap flights from Austin to Sydney: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Austin to Sydney

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Sydney in 2026. You can also book with separate airlines for your outbound and return journeys, from $648 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Sydney flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Sydney airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Austin to Sydney Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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