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Cheap flights from Sydney to Austin from $781

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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Cheap round-trip flights

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Air Canada Logo
11:20 am - 12:19 pmSYD-AUS
41h 59m2 stops
Air Canada Logo
8:55 pm - 6:55 amAUS-SYD
65h 00m2 stops
$876Air Canada
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Tue, Dec 2 - Sun, Dec 14
Multiple Airlines Logo
5:45 pm - 5:30 amSYD-AUS
28h 45m1 stop
Multiple Airlines Logo
12:23 pm - 7:25 amAUS-SYD
26h 02m2 stops
$891Multiple Airlines
Find Deal
Tue, Dec 2 - Sun, Dec 14
American Airlines Logo
11:20 am - 1:49 pmSYD-AUS
19h 29m1 stop
American Airlines Logo
8:15 pm - 9:00 amAUS-SYD
19h 45m1 stop
$938American Airlines
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Tue, Dec 2 - Sun, Dec 14
American Airlines Logo
11:20 am - 10:53 pmSYD-AUS
27h 33m1 stop
American Airlines Logo
8:20 pm - 9:00 amAUS-SYD
20h 40m1 stop
$949American Airlines
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Tue, Mar 10 - Tue, Mar 24
United Airlines Logo
11:50 am - 10:59 pmSYD-AUS
28h 09m1 stop
United Airlines Logo
3:10 pm - 6:20 amAUS-SYD
22h 10m1 stop
$999United Airlines
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Sat, Nov 29 - Sun, Jan 18
Qantas Airways Logo
2:05 pm - 3:47 pmSYD-AUS
18h 42m1 stop
Qantas Airways Logo
2:35 pm - 9:00 amAUS-SYD
25h 25m1 stop
$1,000Qantas Airways
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Sun, Nov 30 - Sun, Dec 14
United Airlines Logo
11:50 am - 3:22 pmSYD-AUS
20h 32m1 stop
United Airlines Logo
7:43 pm - 7:00 amAUS-SYD
42h 17m1 stop
$1,005United Airlines
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Sun, Nov 23 - Sat, Nov 29
Delta Logo
10:40 am - 12:41 amSYD-AUS
31h 01m2 stops
Delta Logo
5:22 am - 6:50 amAUS-SYD
32h 28m2 stops
$1,443Delta
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Sat, Nov 29 - Sun, Jan 18
Delta Logo
10:40 am - 9:33 pmSYD-AUS
27h 53m2 stops
Delta Logo
6:40 pm - 8:30 amAUS-SYD
20h 50m1 stop
$1,585Delta
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Mon, Dec 22 - Thu, Jan 8
Qantas Airways Logo
1:00 pm - 5:42 pmSYD-AUS
21h 42m2 stops
Qantas Airways Logo
6:25 pm - 9:00 amAUS-SYD
21h 35m1 stop
$3,642Qantas Airways
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Sun, Jan 4 - Thu, Jan 15

United Airlines flights from Sydney to Austin

Our best United Airlines deals on Sydney to Austin flight tickets
United Airlines
Nov 29
SYD11:50 amSydney Kingsford Smith
28h 09m
1 stop
AUS10:59 pmAustin Bergstrom
Jan 18
AUS3:10 pmAustin Bergstrom
22h 10m
1 stop
SYD6:20 amSydney Kingsford Smith
$999
Find similar
United Airlines
Nov 23
SYD11:50 amSydney Kingsford Smith
20h 32m
1 stop
AUS3:22 pmAustin Bergstrom
Nov 29
AUS7:43 pmAustin Bergstrom
42h 17m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,005
Find similar
United Airlines
Dec 20
SYD12:10 pmSydney Kingsford Smith
25h 45m
2 stops
AUS8:55 pmAustin Bergstrom
Dec 27
AUS5:30 amAustin Bergstrom
32h 30m
1 stop
SYD7:00 amSydney Kingsford Smith
$1,844
Find similar

Air Canada flights from Sydney to Austin

Our best Air Canada deals on Sydney to Austin flight tickets
Air Canada
Dec 2
SYD11:20 amSydney Kingsford Smith
41h 59m
2 stops
AUS12:19 pmAustin Bergstrom
Dec 14
AUS8:55 pmAustin Bergstrom
65h 00m
2 stops
SYD6:55 amSydney Kingsford Smith
$876
Find similar
Air Canada
Mar 8
SYD11:20 amSydney Kingsford Smith
40h 59m
2 stops
AUS11:19 amAustin Bergstrom
Mar 10
AUS4:32 pmAustin Bergstrom
24h 03m
2 stops
SYD8:35 amSydney Kingsford Smith
$915
Find similar
Air Canada
Mar 8
SYD11:20 amSydney Kingsford Smith
40h 59m
2 stops
AUS11:19 amAustin Bergstrom
Mar 10
AUS4:32 pmAustin Bergstrom
24h 03m
2 stops
SYD8:35 amSydney Kingsford Smith
$970
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 November 5, 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

Tue 12/2

11:20 am-12:19 pm

2 stops41h 59m

Austin Bergstrom

Sun 12/14

8:55 pm-6:55 am

2 stops65h 00m

$876

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Tue 12/2

5:45 pm-5:30 am

1 stop28h 45m

Austin Bergstrom

Sun 12/14

12:23 pm-7:25 am

2 stops26h 02m

$891

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Tue 12/2

11:20 am-1:49 pm

1 stop19h 29m

Austin Bergstrom

Sun 12/14

8:15 pm-9:00 am

1 stop19h 45m

$938

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Tue 3/10

11:20 am-10:53 pm

1 stop27h 33m

Austin Bergstrom

Tue 3/24

8:20 pm-9:00 am

1 stop20h 40m

$949

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sat 11/29

11:50 am-10:59 pm

1 stop28h 09m

Austin Bergstrom

Sun 1/18

3:10 pm-6:20 am

1 stop22h 10m

$999

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 11/30

2:05 pm-3:47 pm

1 stop18h 42m

Austin Bergstrom

Sun 12/14

2:35 pm-9:00 am

1 stop25h 25m

$1,000

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 11/23

11:50 am-3:22 pm

1 stop20h 32m

Austin Bergstrom

Sat 11/29

7:43 pm-7:00 am

1 stop42h 17m

$1,005

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sat 11/29

10:40 am-12:41 am

2 stops31h 01m

Austin Bergstrom

Sun 1/18

5:22 am-6:50 am

2 stops32h 28m

$1,443

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Mon 12/22

10:40 am-9:33 pm

2 stops27h 53m

Austin Bergstrom

Thu 1/8

6:40 pm-8:30 am

1 stop20h 50m

$1,585

SydneyAustin

SYD - AUS

SYDAUS

Sydney Kingsford Smith

Sun 1/4

1:00 pm-5:42 pm

2 stops21h 42m

Austin Bergstrom

Thu 1/15

6:25 pm-9:00 am

1 stop21h 35m

$3,642

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 September. Flight prices, which tend to average around $972, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in September, then May is your next best option. Flight prices from Sydney to Austin during May average around $1,071.

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 $1,250 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 $1,016 on momondo.

Can stopping save me money on Sydney to Austin flights?

You could potentially save up to 36% 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 November 2025, prices for Sydney to Austin flights are approximately 49% 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. 18h 42m 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 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.

Traveling to a place near Austin?

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

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