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Cheap flights from Sydney to Austin from $479

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Austin departing on 11/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Sydney to Austin

Cheap round-trip flights

Air Canada Logo
10:20 am - 7:55 pmSYD-AUS
49h 35m2 stops
Air Canada Logo
8:40 am - 8:20 amAUS-SYD
31h 40m1 stop
$751Air Canada
Find Deal
Sun, Oct 5 - Tue, Oct 21
Air Canada Logo
11:20 am - 12:19 pmSYD-AUS
41h 59m2 stops
Air Canada Logo
1:05 pm - 9:35 amAUS-SYD
51h 30m2 stops
$764Air Canada
Find Deal
Sun, Nov 9 - Mon, Nov 17
American Airlines Logo
11:20 am - 11:58 pmSYD-AUS
28h 38m1 stop
American Airlines Logo
6:42 am - 9:00 amAUS-SYD
33h 18m1 stop
$833American Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
American Airlines Logo
11:20 am - 4:41 pmSYD-AUS
22h 21m2 stops
American Airlines Logo
8:15 pm - 9:00 amAUS-SYD
19h 45m1 stop
$834American Airlines
Find Deal
Sun, Nov 9 - Mon, Nov 17
United Airlines Logo
12:10 pm - 10:59 pmSYD-AUS
26h 49m2 stops
United Airlines Logo
3:11 pm - 9:05 amAUS-SYD
24h 54m2 stops
$835United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
United Airlines Logo
12:10 pm - 9:06 pmSYD-AUS
24h 56m2 stops
United Airlines Logo
5:59 pm - 7:00 amAUS-SYD
20h 01m1 stop
$840United Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Delta Logo
9:40 am - 8:02 pmSYD-AUS
27h 22m1 stop
Delta Logo
10:52 am - 6:05 amAUS-SYD
27h 13m2 stops
$959Delta
Find Deal
Sun, Mar 8 - Tue, Mar 10
Alaska Airlines Logo
9:40 pm - 5:15 amSYD-AUS
24h 35m2 stops
Alaska Airlines Logo
5:00 pm - 7:45 pmAUS-SYD
33h 45m2 stops
$1,097Alaska Airlines
Find Deal
Sat, Jan 31 - Tue, Feb 10
Alaska Airlines Logo
9:40 pm - 5:15 amSYD-AUS
24h 35m2 stops
Alaska Airlines Logo
6:30 pm - 7:45 pmAUS-SYD
56h 15m2 stops
$1,181Alaska Airlines
Find Deal
Sat, Jan 31 - Mon, Feb 9
Delta Logo
2:15 pm - 12:39 pmSYD-AUS
39h 24m1 stop
Delta Logo
7:20 am - 8:30 amAUS-SYD
32h 10m1 stop
$1,424Delta
Find Deal
Tue, Dec 30 - Sat, Jan 17

Delta flights from Sydney to Austin

Our best Delta deals on Sydney to Austin flight tickets
Delta
Mar 8
SYD9:40 amSydney Kingsford Smith
27h 22m
1 stop
AUS8:02 pmAustin Bergstrom
Mar 10
AUS10:52 amAustin Bergstrom
27h 13m
2 stops
SYD6:05 amSydney Kingsford Smith
$959
Find similar
Delta
Sep 20
SYD9:25 amSydney Kingsford Smith
26h 47m
1 stop
AUS9:12 pmAustin Bergstrom
Oct 4
AUS4:00 pmAustin Bergstrom
23h 35m
1 stop
SYD7:35 amSydney Kingsford Smith
$1,364
Find similar
Delta
Dec 30
SYD2:15 pmSydney Kingsford Smith
39h 24m
1 stop
AUS12:39 pmAustin Bergstrom
Jan 17
AUS7:20 amAustin Bergstrom
32h 10m
1 stop
SYD8:30 amSydney Kingsford Smith
$1,424
Find similar

Air Canada flights from Sydney to Austin

Our best Air Canada deals on Sydney to Austin flight tickets
Air Canada
Oct 5
SYD10:20 amSydney Kingsford Smith
49h 35m
2 stops
AUS7:55 pmAustin Bergstrom
Oct 21
AUS8:40 amAustin Bergstrom
31h 40m
1 stop
SYD8:20 amSydney Kingsford Smith
$751
Find similar
Air Canada
Nov 9
SYD11:20 amSydney Kingsford Smith
41h 59m
2 stops
AUS12:19 pmAustin Bergstrom
Nov 17
AUS1:05 pmAustin Bergstrom
51h 30m
2 stops
SYD9:35 amSydney Kingsford Smith
$764
Find similar
Air Canada
Oct 5
SYD10:20 amSydney Kingsford Smith
25h 51m
1 stop
AUS8:11 pmAustin Bergstrom
Oct 21
AUS8:40 amAustin Bergstrom
31h 40m
1 stop
SYD8:20 amSydney Kingsford Smith
$768
Find similar

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Sydney to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 10/5

10:20 am-7:55 pm

2 stops49h 35m

Austin Bergstrom

Tue 10/21

8:40 am-8:20 am

1 stop31h 40m

$751

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 11/9

11:20 am-12:19 pm

2 stops41h 59m

Austin Bergstrom

Mon 11/17

1:05 pm-9:35 am

2 stops51h 30m

$764

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Thu 10/30

11:20 am-11:58 pm

1 stop28h 38m

Austin Bergstrom

Thu 11/6

6:42 am-9:00 am

1 stop33h 18m

$833

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 11/9

11:20 am-4:41 pm

2 stops22h 21m

Austin Bergstrom

Mon 11/17

8:15 pm-9:00 am

1 stop19h 45m

$834

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Thu 10/30

12:10 pm-10:59 pm

2 stops26h 49m

Austin Bergstrom

Thu 11/6

3:11 pm-9:05 am

2 stops24h 54m

$835

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Thu 10/30

12:10 pm-9:06 pm

2 stops24h 56m

Austin Bergstrom

Thu 11/6

5:59 pm-7:00 am

1 stop20h 01m

$840

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 3/8

9:40 am-8:02 pm

1 stop27h 22m

Austin Bergstrom

Tue 3/10

10:52 am-6:05 am

2 stops27h 13m

$959

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sat 1/31

9:40 pm-5:15 am

2 stops24h 35m

Austin Bergstrom

Tue 2/10

5:00 pm-7:45 pm

2 stops33h 45m

$1,097

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sat 1/31

9:40 pm-5:15 am

2 stops24h 35m

Austin Bergstrom

Mon 2/9

6:30 pm-7:45 pm

2 stops56h 15m

$1,181

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Tue 12/30

2:15 pm-12:39 pm

1 stop39h 24m

Austin Bergstrom

Sat 1/17

7:20 am-8:30 am

1 stop32h 10m

$1,424

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Austin from

How to get the cheapest flight ticket from Sydney to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Sydney is in May. Flight prices, which tend to average around $1,071, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in May, then October is your next best option. Flight prices from Sydney to Austin during October average around $1,111.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Tuesday when prices can be found for as low as $192. This is often the case because there is less demand to fly during this day of the week. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Sydney to Austin for around $255.

What is the cheapest time of day to depart on your flight to Austin?

In the evening is the cheapest time of day to fly from Sydney to Austin when you can find flight prices for as low as $210. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly in the afternoon, with an average ticket price of $260. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $1,304 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Sydney for as low as $955 on momondo.

Can stopping save me money on Sydney to Austin flights?

You could potentially save up to 21% on your flight if you consider stops on a Sydney to Austin flight.

How have Sydney to Austin flight prices changed over time?

As of September 2025, prices for Sydney to Austin flights are approximately 52% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sydney to Austin (SYD to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Austin

Direct flights

None
There are no direct flights from Sydney to Austin. There are no popular flight routes from Sydney to Austin.
Search flight deals

  • How far is Sydney Kingsford Smith to Austin Bergstrom by plane?

    The distance between Sydney Kingsford Smith and Austin Bergstrom is about 8463.9 mi. 19h 44m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport are updated daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Austin Bergstrom Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The necessary travel and health documents for your Austin Bergstrom Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Sydney to Austin?

Best airlines flying from Sydney to Austin

Compare and see reviews for airlines that fly from Sydney to Austin with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $945Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,061Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Wimberley
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Horseshoe Bay
Dripping Springs
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Sydney to Austin?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Sydney to Austin for you.

Can I find flights from Sydney to Austin with flexible booking policies on momondo?

momondo does allow users to show only those flights to Austin from Sydney which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Sydney to Austin?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Sydney to Austin.

I’m not ready to book a flight from Sydney to Austin right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Austin, momondo offers a useful price alert feature which will track prices for flights to Austin from Sydney and alert you when they change.

An easier way to manage your Austin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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