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Cheap flights from Austin to Sydney from $523

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Sydney departing on 5/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Austin to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
11:55 am - 7:20 am
AUS
-
SYD
28h 25m
2 stops
Air Canada Logo
9:20 am - 8:02 pm
SYD
-
AUS
25h 42m
1 stop
$1,079Air Canada
Mon, May 25 - Mon, Jun 1
Air Canada Logo
11:55 am - 7:20 am
AUS
-
SYD
52h 25m
2 stops
Air Canada Logo
9:20 am - 8:15 pm
SYD
-
AUS
49h 55m
2 stops
$1,081Air Canada
Sat, May 23 - Wed, May 27
Air Canada Logo
11:55 am - 7:20 am
AUS
-
SYD
28h 25m
2 stops
Air Canada Logo
9:20 am - 8:15 pm
SYD
-
AUS
49h 55m
2 stops
$1,082Air Canada
Mon, May 25 - Mon, Jun 1
Air Canada Logo
12:55 pm - 7:20 am
AUS
-
SYD
27h 25m
2 stops
Air Canada Logo
9:20 am - 10:53 am
SYD
-
AUS
40h 33m
2 stops
$1,087Air Canada
Tue, Apr 21 - Tue, May 5
Multiple Airlines Logo
4:43 pm - 7:20 am
AUS
-
SYD
23h 37m
2 stops
Multiple Airlines Logo
9:20 am - 9:10 pm
SYD
-
AUS
50h 50m
2 stops
$1,089Multiple Airlines
Tue, Apr 14 - Tue, Apr 21
Air Canada Logo
11:55 am - 7:20 am
AUS
-
SYD
52h 25m
2 stops
Air Canada Logo
9:20 am - 8:15 pm
SYD
-
AUS
49h 55m
3 stops
$1,090Air Canada
Sat, May 23 - Wed, May 27
Air Canada Logo
12:55 pm - 7:20 am
AUS
-
SYD
27h 25m
2 stops
Air Canada Logo
9:20 am - 12:03 pm
SYD
-
AUS
41h 43m
2 stops
$1,095Air Canada
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
12:55 pm - 7:20 am
AUS
-
SYD
27h 25m
1 stop
Multiple Airlines Logo
9:20 am - 10:53 am
SYD
-
AUS
40h 33m
1 stop
$1,097Multiple Airlines
Tue, Apr 21 - Tue, May 5
Air Canada Logo
12:55 pm - 7:20 am
AUS
-
SYD
27h 25m
2 stops
Air Canada Logo
9:20 am - 9:10 pm
SYD
-
AUS
50h 50m
3 stops
$1,099Air Canada
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
3:10 pm - 7:20 am
AUS
-
SYD
25h 10m
2 stops
Multiple Airlines Logo
8:10 pm - 8:01 pm
SYD
-
AUS
38h 51m
2 stops
$1,102Multiple Airlines
Sun, Aug 23 - Sat, Sep 19

Air New Zealand flights from Austin to Sydney

Our best Air New Zealand deals on Austin to Sydney flight tickets
Air New Zealand
Apr 14
AUS6:00 pmAustin Bergstrom
23h 45m
2 stops
SYD8:45 amSydney Kingsford Smith
Apr 29
SYD11:55 amSydney Kingsford Smith
23h 04m
2 stops
AUS7:59 pmAustin Bergstrom
$1,158
Air New Zealand
Jun 22
AUS7:44 pmAustin Bergstrom
23h 56m
2 stops
SYD10:40 amSydney Kingsford Smith
Jul 8
SYD11:55 amSydney Kingsford Smith
23h 02m
2 stops
AUS7:57 pmAustin Bergstrom
$1,159
Air New Zealand
Aug 11
AUS3:12 pmAustin Bergstrom
26h 33m
2 stops
SYD8:45 amSydney Kingsford Smith
Aug 25
SYD11:55 amSydney Kingsford Smith
27h 04m
2 stops
AUS11:59 pmAustin Bergstrom
$1,160

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
May 25
AUS11:55 amAustin Bergstrom
28h 25m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 1
SYD9:20 amSydney Kingsford Smith
25h 42m
1 stop
AUS8:02 pmAustin Bergstrom
$1,079
Air Canada
May 23
AUS11:55 amAustin Bergstrom
52h 25m
2 stops
SYD7:20 amSydney Kingsford Smith
May 27
SYD9:20 amSydney Kingsford Smith
49h 55m
2 stops
AUS8:15 pmAustin Bergstrom
$1,081
Air Canada
May 25
AUS11:55 amAustin Bergstrom
28h 25m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 1
SYD9:20 amSydney Kingsford Smith
49h 55m
2 stops
AUS8:15 pmAustin Bergstrom
$1,082

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Sydney 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 March 1, 2026.
Use the filters below to find and compare flights from Austin to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 5/25

11:55 am-7:20 am

2 stops28h 25m

Sydney Kingsford Smith

Mon 6/1

9:20 am-8:02 pm

1 stop25h 42m

$1,079

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 5/23

11:55 am-7:20 am

2 stops52h 25m

Sydney Kingsford Smith

Wed 5/27

9:20 am-8:15 pm

2 stops49h 55m

$1,081

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 5/25

11:55 am-7:20 am

2 stops28h 25m

Sydney Kingsford Smith

Mon 6/1

9:20 am-8:15 pm

2 stops49h 55m

$1,082

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 4/21

12:55 pm-7:20 am

2 stops27h 25m

Sydney Kingsford Smith

Tue 5/5

9:20 am-10:53 am

2 stops40h 33m

$1,087

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 4/14

4:43 pm-7:20 am

2 stops23h 37m

Sydney Kingsford Smith

Tue 4/21

9:20 am-9:10 pm

2 stops50h 50m

$1,089

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 5/23

11:55 am-7:20 am

2 stops52h 25m

Sydney Kingsford Smith

Wed 5/27

9:20 am-8:15 pm

3 stops49h 55m

$1,090

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 4/22

12:55 pm-7:20 am

2 stops27h 25m

Sydney Kingsford Smith

Wed 4/29

9:20 am-12:03 pm

2 stops41h 43m

$1,095

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 4/21

12:55 pm-7:20 am

1 stop27h 25m

Sydney Kingsford Smith

Tue 5/5

9:20 am-10:53 am

1 stop40h 33m

$1,097

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 4/22

12:55 pm-7:20 am

2 stops27h 25m

Sydney Kingsford Smith

Wed 4/29

9:20 am-9:10 pm

3 stops50h 50m

$1,099

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 8/23

3:10 pm-7:20 am

2 stops25h 10m

Sydney Kingsford Smith

Sat 9/19

8:10 pm-8:01 pm

2 stops38h 51m

$1,102

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 Austin to Sydney

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 typical price of a round-trip flight between Austin and Sydney?

What is the cheapest month to fly to Sydney?

In general, August is the cheapest month to fly from Austin to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,008. If you are unable to visit Sydney during the month of August, then departing from Austin during the month February is also very affordable. Most momondo users find prices during this month for around $1,017.

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

The cheapest day to depart from Austin to Sydney is on a Saturday when prices can be found for as low as $290. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,047.

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

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Austin to Sydney in the afternoon for as low as $207. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,244. Departure times at noon 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 Sydney?

You are more likely to see cheaper flights to Sydney from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,224 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Austin for as low as $1,066 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 8% on your flight if you consider stops on a Austin to Sydney flight.

How have Austin to Sydney flight prices changed over time?

When to book flights from Austin to Sydney

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

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

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

Fastest flight time

19h 22m

Direct flights

None
The fastest flight from Austin to Sydney takes 19h 22m
There are no direct flights from Austin to Sydney. There are no popular flight routes from Austin to Sydney.
Search flight deals

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

    Austin Bergstrom and Sydney Kingsford Smith are 8463.9 mi apart from one another. Typically, this will take 19h 22m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Austin Bergstrom Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Austin to Sydney

Compare and see reviews for airlines that fly from Austin to Sydney with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $221Free CancellationRating
7.9
8,239 reviews
Search Delta flights
Fiji AirwaysPriceFrom $717Free CancellationRating
8.0
228 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $906Free CancellationRating
7.4
9,371 reviews
Search United Airlines flights
American AirlinesPriceFrom $945Free CancellationRating
7.1
11,373 reviews
Search American Airlines flights
Qantas AirwaysPriceFrom $950Free CancellationRating
7.5
1,000 reviews
Search Qantas Airways flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Katoomba
Parramatta
Wollongong
Penrith
Coogee
Manly
Randwick
Lithgow
Leura
Cronulla
Charlestown
Terrigal
Swansea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Sydney. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Austin to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Austin to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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