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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — AUS
21 Dec — 28 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Austin Bergstrom are usually found in September or May, booked 26 days in advance, depart on a Saturday or Wednesday and return on a Friday
Cheap flight deals from Sydney to Austin
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Austin (AUS). 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 21 November 2025.
Explore the most affordable flight options available from Sydney to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2025.
Sun 21/1222:00SYD - AUS
2 stops42h 06mQantas Airways
Sun 11/118:25AUS - SYD
1 stop21h 35mQantas Airways
Deal found 19/11$2,752
Sun 21/1221:40SYD - AUS
2 stops24h 20mAlaska Airlines
Sun 11/117:39AUS - SYD
2 stops33h 06mAlaska Airlines
Deal found 19/11$2,990
Sun 21/1211:20SYD - AUS
1 stop28h 46mAmerican Airlines
Sun 11/118:25AUS - SYD
1 stop21h 35mAmerican Airlines
Deal found 19/11$3,072
Sun 21/1211:50SYD - AUS
1 stop18h 06mUnited Airlines
Sun 11/109:30AUS - SYD
1 stop27h 50mUnited Airlines
Deal found 19/11$3,097
Sun 21/1207:05SYD - AUS
3 stops33h 01mAir Tahiti Nui
Sun 11/114:52AUS - SYD
3 stops36h 58mAir Tahiti Nui
Deal found 19/11$3,523
Sun 21/1213:00SYD - AUS
2 stops21h 40mMultiple Airlines
Sun 11/111:45AUS - SYD
3 stops25h 25mMultiple Airlines
Deal found 19/11$4,506
Best flights from Sydney to Austin
Discover carefully curated flight deals from Sydney to Austin that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 November 2025.
Thu 29/107:20SYD - AUS
2 stops21h 22mQantas Airways
Sat 31/117:44AUS - SYD
2 stops24h 11mQantas Airways
Deal found 20/11$1,720
Sat 24/106:20SYD - AUS
2 stops22h 22mMultiple Airlines
Thu 29/118:25AUS - SYD
1 stop20h 00mMultiple Airlines
Deal found 20/11$1,874
Sat 24/111:20SYD - AUS
2 stops51h 07mAir Canada
Thu 29/111:30AUS - SYD
2 stops29h 05mAir Canada
Deal found 20/11$1,919
Sat 24/110:40SYD - AUS
1 stop19h 22mDelta
Thu 29/107:20AUS - SYD
1 stop32h 10mDelta
Deal found 20/11$2,457
Sun 21/1221:40SYD - AUS
2 stops24h 20mAlaska Airlines
Sun 11/117:39AUS - SYD
2 stops33h 06mAlaska Airlines
Deal found 19/11$2,990
Sun 21/1222:00SYD - AUS
2 stops42h 06mQantas Airways
Sun 11/118:25AUS - SYD
1 stop21h 35mQantas Airways
Deal found 21/11$2,570
Sun 21/1207:45SYD - AUS
3 stops28h 28mMultiple Airlines
Sun 11/118:25AUS - SYD
3 stops44h 10mMultiple Airlines
Deal found 21/11$2,985
Last-minute flights from Sydney to Austin
Discover last-minute flight deals from Sydney to Austin. Data last updated 21 November 2025 and is based on user searches.
Sun 21/1222:00SYD - AUS
2 stops42h 06mQantas Airways
Sun 11/118:25AUS - SYD
1 stop21h 35mQantas Airways
Deal found 19/11$2,752
Sun 21/1221:40SYD - AUS
2 stops24h 20mAlaska Airlines
Sun 11/117:39AUS - SYD
2 stops33h 06mAlaska Airlines
Deal found 19/11$2,990
Sun 21/1211:20SYD - AUS
1 stop28h 46mAmerican Airlines
Sun 11/118:25AUS - SYD
1 stop21h 35mAmerican Airlines
Deal found 19/11$3,072
Sun 21/1211:50SYD - AUS
1 stop18h 06mUnited Airlines
Sun 11/109:30AUS - SYD
1 stop27h 50mUnited Airlines
Deal found 19/11$3,097
Sun 21/1207:05SYD - AUS
3 stops33h 01mAir Tahiti Nui
Sun 11/114:52AUS - SYD
3 stops36h 58mAir Tahiti Nui
Deal found 19/11$3,523
Sun 21/1213:00SYD - AUS
2 stops21h 40mMultiple Airlines
Sun 11/111:45AUS - SYD
3 stops25h 25mMultiple Airlines
Deal found 19/11$4,506
One-way flights from Sydney to Austin
Search for one-way flight options from Sydney to Austin. Find affordable one-way fares based on user searches. Data last updated 21 November 2025.
Thu 8/106:05SYD - AUS
2 stops26h 04mQantas Airways
Deal found 19/11$1,072
Fri 27/313:00SYD - AUS
2 stops22h 02mQantas Airways
Deal found 20/11$1,173
Fri 12/1214:00SYD - AUS
2 stops39h 33mMultiple Airlines
Deal found 20/11$1,191
Fri 27/314:00SYD - AUS
3 stops42h 18mMultiple Airlines
Deal found 20/11$1,193
Sat 28/310:05SYD - AUS
2 stops24h 57mQantas Airways
Deal found 20/11$1,233
Fri 27/311:20SYD - AUS
1 stop24h 03mAmerican Airlines
Deal found 20/11$1,272
Thu 8/121:40SYD - AUS
3 stops43h 36mMultiple Airlines
Deal found 19/11$1,658
Thu 8/114:00SYD - AUS
1 stop25h 16mUnited Airlines
Deal found 19/11$1,754
Thu 8/121:40SYD - AUS
2 stops35h 59mAlaska Airlines
Deal found 20/11$1,782
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to Austin 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 647,157 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Sydney to Austin that are best for you.
Fly from
Sydney
Fly to
Austin
Route
Depart
Return
Price
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Thu 29/1
07:20-11:42
2 stops21h 22m
Austin Bergstrom
Sat 31/1
17:44-10:55
2 stops24h 11m
$1,720
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Sat 24/1
06:20-11:42
2 stops22h 22m
Austin Bergstrom
Thu 29/1
18:25-07:25
1 stop20h 00m
$1,874
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Sat 24/1
11:20-21:27
2 stops51h 07m
Austin Bergstrom
Thu 29/1
11:30-09:35
2 stops29h 05m
$1,919
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Sat 24/1
10:40-13:02
1 stop19h 22m
Austin Bergstrom
Thu 29/1
07:20-08:30
1 stop32h 10m
$2,457
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Sun 21/12
22:00-23:06
2 stops42h 06m
Austin Bergstrom
Sun 11/1
18:25-09:00
1 stop21h 35m
$2,570
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Sun 21/12
07:45-19:13
3 stops28h 28m
Austin Bergstrom
Sun 11/1
18:25-07:35
3 stops44h 10m
$2,985
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Sun 21/12
21:40-05:00
2 stops24h 20m
Austin Bergstrom
Sun 11/1
17:39-19:45
2 stops33h 06m
$2,990
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Thu 15/1
06:20-13:43
2 stops24h 23m
$913
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Thu 8/1
06:05-15:09
2 stops26h 04m
$1,072
SydneyAustin
SYD - AUS
SYDAUS
Sydney Kingsford Smith
Thu 15/1
10:40-22:24
1 stop28h 44m
$1,167
Flights are sorted by cheapest return flights first.
Deals found on 20/11
Showing 1-10 of 15 results
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Best time to book a flight from Sydney to Austin
Have a flexible travel schedule? Discover the best time to fly to Austin from Sydney 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 Sydney to Austin
Prices
Delays
More
How far ahead should I book a flight from Sydney to Austin?
Use this chart to determine the optimal time to book a return flight from Sydney to Austin. Price data was last updated on 14 November 2025.
To ensure you get the cheapest price possible for a flight from Sydney to Austin, you should look to book at least 25 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Sydney to Austin?
Currently, March is the cheapest month in which you can book a flight from Sydney to Austin (average of $1,187). Flying from Sydney to Austin in July is currently the most expensive (average of $1,714). 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 SYD to AUS?
Find hourly flight availability from Sydney to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2025.
It’s typically best to fly out from Sydney to Austin in the morning. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.
What is the cheapest day to fly from Sydney to Austin?
Use this chart to determine the cheapest time to fly return from Sydney to Austin. Price data was last updated on 30 March 2025.
Travellers seeking maximum savings on their Sydney to Austin flight should consider departing on Friday at midday when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Sydney to Austin delayed?
About 19% of weekly flights between Sydney and Austin have experienced delays in the past year, with the average delay time being 92 minutes.
What is the most punctual flight time for Sydney to Austin flights?
Historically, flights departing in the morning 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?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Sydney to Austin flights?
Over the past year, Mandarin Airlines have had the lowest number of delays on this route, with no flights being classified as delayed.
What’s the top stopover airport for flights from Sydney to Austin?
Share of one-stop return flights from Sydney to Austin chosen by Cheapflights users in the past 12 months, using the same stopover each way.
Los Angeles (LAX) – chosen by Cheapflights users on 36% of one-stop itineraries from Sydney to Austin on Cheapflights.
What’s the cheapest stopover airport for flights from Sydney to Austin?
Average return fare for one-stop flights from Sydney to Austin, chosen by Cheapflights users in the past 12 months, with the same stopover each way.
Houston (IAH) is the most affordable one-stop option, with an average return flight price of $2,007.
What’s the fastest stopover option from Sydney to Austin?
Shortest average travel time for one-stop one-way flights from Sydney to Austin, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.
Flights via Houston (IAH) have the shortest average one-way travel time for one-stop routes: 18h 29m.
Which airport typically offers the quickest stopover for flights from Sydney to Austin?
Average stopover duration for one-stop one-way flights from Sydney to Austin, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average stopover time of 1h 29m.
Reviews of airlines servicing Austin
Get insights into the airlines that provide service to Austin. 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 Austin. Reviews last updated 21 November 2025.
Get a feel of what it's like to fly with Air New Zealand, Virgin Australia, andQantas Airways from Sydney to Austin by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
The seat I sat in the Auckland Airport at A waiting to board gate 42. Not far from the check in desk was dripping rain on me. When I looked up you could see on the beam discoloured drips. I forgot to say something to someone before boarding.
Related info for your journey
Find useful and relevant information for your journey from Sydney to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Sydney to Austin?
There are many flights that can get you from Sydney to Austin in 21h 22m. Fly via Qantas Airways or Air Canada to get the fastest option. Sydney and Austin are separated by a distance of 13630 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines flying from Sydney to Austin round-trip?
United Airlines, at $1,248, was found to be the cheapest airline from Sydney to Austin.Alternate airlines to your destination round-trip include Air Canada and Air New Zealand. United Airlines is priced at 34% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for business class flights from Sydney to Austin?
Yes. Cheapflights offers flight deals from Sydney to Austin 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 Sydney to Austin?
Currently, March is the cheapest month in which you can book a flight from Sydney to Austin (average of $1,187). Flying from Sydney to Austin in July is currently the most expensive (average of $1,714). 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.
Discover the top 5 airlines that operate flights from Sydney to Austin. 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 647,157 searches. Data last updated 21 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 Sydney to Austin?
Cheapflights helps you search for flights from Sydney to Austin via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Sydney to Austin?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Sydney to Austin.
Can Cheapflights find flights from Sydney to Austin with no change fees?
Users can book flights with no change fees policies with our dedicated filters. Book flights from Sydney to Austin flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights from Sydney to Austin become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!
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