Which layover airport has the shortest travel time from Austin to Sydney?

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 20h 05m.

Which layover airport has the shortest connection time from Austin to Sydney?

Houston (IAH) has the shortest average layover time for this route: 1h 33m.

Which layover airport offers the lowest fares from Austin to Sydney?

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $1,132.

What airlines fly to Sydney?

Qantas Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Sydney from Austin according to our data. Qantas Airways is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Austin and Sydney?

Los Angeles (LAX) was the most common stop: 88% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Austin Bergstrom to Sydney Kingsford Smith?

Qantas Airways, United Airlines, and Delta are the most popular carriers operating from Austin Bergstrom to Sydney Kingsford Smith

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?

The number of operators available for flights from Austin Bergstrom Airport to Sydney Kingsford Smith Airport is 6 as of June 2026.

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.

$665 Cheap Flights from Austin to Sydney in 2026

Q: What is the typical price of a round-trip flight between Austin and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $1,412 to $1,061. The lowest price recently found on this route was $1,132.

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Find the cheapest flights from Austin to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:00 am - 8:20 am

AUS

SYD

31h 20m

1 stop

10:20 am - 12:19 pm

SYD

AUS

41h 59m

2 stops

$1,132Air Canada

Mon, Oct 19 - Tue, Oct 27

11:35 am - 7:20 am

AUS

SYD

52h 45m

2 stops

9:20 am - 6:01 am

SYD

AUS

35h 41m

1 stop

$1,133Air Canada

Sat, Sep 26 - Wed, Sep 30

7:15 am - 7:20 am

AUS

SYD

33h 05m

2 stops

9:20 am - 6:01 am

SYD

AUS

35h 41m

1 stop

$1,138Air Canada

Wed, Sep 9 - Wed, Sep 30

2:18 pm - 7:20 am

AUS

SYD

26h 02m

2 stops

9:20 am - 6:02 am

SYD

AUS

35h 42m

1 stop

$1,139Air Canada

Wed, Jul 29 - Sun, Aug 9

1:10 pm - 9:35 am

AUS

SYD

51h 25m

2 stops

11:20 am - 12:19 pm

SYD

AUS

41h 59m

2 stops

$1,140Air Canada

Sun, Nov 8 - Wed, Nov 18

11:35 am - 7:20 am

AUS

SYD

52h 45m

2 stops

9:20 am - 10:48 am

SYD

AUS

40h 28m

2 stops

$1,141Air Canada

Sat, Sep 26 - Wed, Sep 30

11:40 am - 7:20 am

AUS

SYD

52h 40m

2 stops

9:20 am - 6:01 am

SYD

AUS

35h 41m

1 stop

$1,143Air Canada

Sun, Sep 6 - Wed, Sep 16

1:43 pm - 7:20 am

AUS

SYD

26h 37m

2 stops

9:20 am - 10:48 am

SYD

AUS

40h 28m

2 stops

$1,147Air Canada

Wed, Sep 9 - Wed, Sep 30

7:44 pm - 7:20 am

AUS

SYD

44h 36m

2 stops

9:20 am - 6:02 am

SYD

AUS

35h 42m

1 stop

$1,150Air Canada

Sat, Jul 25 - Sun, Aug 16

11:40 am - 7:20 am

AUS

SYD

52h 40m

2 stops

9:20 am - 10:48 am

SYD

AUS

40h 28m

2 stops

$1,151Air Canada

Sun, Sep 6 - Wed, Sep 16

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

Dec 1

AUS2:29 pmAustin Bergstrom

28h 26m

2 stops

SYD11:55 amSydney Kingsford Smith

Dec 25

SYD2:05 pmSydney Kingsford Smith

20h 37m

1 stop

AUS5:42 pmAustin Bergstrom

$1,235

Qantas Airways

Nov 3

AUS2:29 pmAustin Bergstrom

27h 26m

2 stops

SYD10:55 amSydney Kingsford Smith

Dec 7

SYD2:05 pmSydney Kingsford Smith

39h 56m

1 stop

AUS1:01 pmAustin Bergstrom

$1,236

Qantas Airways

Sep 9

AUS3:13 pmAustin Bergstrom

24h 52m

1 stop

SYD7:05 amSydney Kingsford Smith

Sep 30

SYD9:10 amSydney Kingsford Smith

20h 28m

1 stop

AUS2:38 pmAustin Bergstrom

$1,256

United Airlines flights from Austin to Sydney

Our best United Airlines deals on Austin to Sydney flight tickets

United Airlines

Nov 3

AUS6:00 pmAustin Bergstrom

22h 15m

1 stop

SYD9:15 amSydney Kingsford Smith

Dec 7

SYD11:50 amSydney Kingsford Smith

20h 39m

1 stop

AUS3:29 pmAustin Bergstrom

$1,309

United Airlines

Jun 10

AUS4:10 pmAustin Bergstrom

23h 45m

2 stops

SYD6:55 amSydney Kingsford Smith

Jun 17

SYD10:20 amSydney Kingsford Smith

19h 14m

1 stop

AUS2:34 pmAustin Bergstrom

$1,334

United Airlines

Jun 10

AUS6:04 pmAustin Bergstrom

21h 56m

2 stops

SYD7:00 amSydney Kingsford Smith

Jun 17

SYD9:30 amSydney Kingsford Smith

22h 57m

2 stops

AUS5:27 pmAustin Bergstrom

$1,338

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 10/19

9:00 am-8:20 am

1 stop31h 20m

Sydney Kingsford Smith

Tue 10/27

10:20 am-12:19 pm

2 stops41h 59m

$1,132

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 9/26

11:35 am-7:20 am

2 stops52h 45m

Sydney Kingsford Smith

Wed 9/30

9:20 am-6:01 am

1 stop35h 41m

$1,133

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/9

7:15 am-7:20 am

2 stops33h 05m

Sydney Kingsford Smith

Wed 9/30

9:20 am-6:01 am

1 stop35h 41m

$1,138

Quickest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 7/29

2:18 pm-7:20 am

2 stops26h 02m

Sydney Kingsford Smith

Sun 8/9

9:20 am-6:02 am

1 stop35h 42m

$1,139

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 11/8

1:10 pm-9:35 am

2 stops51h 25m

Sydney Kingsford Smith

Wed 11/18

11:20 am-12:19 pm

2 stops41h 59m

$1,140

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 9/26

11:35 am-7:20 am

2 stops52h 45m

Sydney Kingsford Smith

Wed 9/30

9:20 am-10:48 am

2 stops40h 28m

$1,141

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 9/6

11:40 am-7:20 am

2 stops52h 40m

Sydney Kingsford Smith

Wed 9/16

9:20 am-6:01 am

1 stop35h 41m

$1,143

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/9

1:43 pm-7:20 am

2 stops26h 37m

Sydney Kingsford Smith

Wed 9/30

9:20 am-10:48 am

2 stops40h 28m

$1,147

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 7/25

7:44 pm-7:20 am

2 stops44h 36m

Sydney Kingsford Smith

Sun 8/16

9:20 am-6:02 am

1 stop35h 42m

$1,150

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 9/6

11:40 am-7:20 am

2 stops52h 40m

Sydney Kingsford Smith

Wed 9/16

9:20 am-10:48 am

2 stops40h 28m

$1,151

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

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 $995. If you are unable to visit Sydney during the month of August, then departing from Austin during the month January is also very affordable. Most momondo users find prices during this month for around $997.

How far in advance should I book a flight from Austin 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 $1,280 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 $1,139 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 12% 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 35m
Direct flights	None

The fastest flight from Austin to Sydney takes 19h 35m

There are no direct flights from Austin to Sydney. There are no popular flight routes from Austin to Sydney.

Search flight deals

Frequently asked questions about flying from Austin to Sydney

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 35m 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?
The number of operators available for flights from Austin Bergstrom Airport to Sydney Kingsford Smith Airport is 6 as of June 2026.
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?
momondo data reveals that the most frequently booked airline on the route from Austin to Sydney is Qantas Airways, representing 32% of all bookings. The subsequent popular airlines are United Airlines at 28%, American Airlines at 18%, and Delta at 13%.

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
Delta	PriceFrom $318	Free Cancellation	Rating 7.9 8,396 reviews	Search Delta flights
Fiji Airways	PriceFrom $717	Free Cancellation	Rating 8.1 243 reviews	Search Fiji Airways flights
Air New Zealand	PriceFrom $912	Free Cancellation	Rating 8.0 645 reviews	Search Air New Zealand flights
Qantas Airways	PriceFrom $932	Free Cancellation	Rating 7.5 1,045 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $945	Free Cancellation	Rating 7.1 11,643 reviews	Search American Airlines flights
United Airlines	PriceFrom $947	Free Cancellation	Rating 7.4 9,780 reviews	Search United Airlines flights

Parramatta

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Katoomba

Penrith

Wollongong

Leura

Randwick

Lithgow

Manly

Coogee

Cronulla

Terrigal

Charlestown

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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Cheap flights from Austin to Sydney from $665

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 8/9. 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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How to get the cheapest flight ticket from Austin to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Austin to Sydney flights?

How have Austin to Sydney flight prices changed over time?

What is the cheapest airline that flies from Austin Bergstrom to Sydney Kingsford Smith?

What airlines fly to Sydney?

Which airport is the most popular layover for flights between Austin and Sydney?

Which layover airport offers the lowest fares from Austin to Sydney?

Which layover airport has the shortest travel time from Austin to Sydney?

Which layover airport has the shortest connection time from Austin to Sydney?

When to book flights from Austin to Sydney

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

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Frequently asked questions about flying 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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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