What airlines fly to Sydney?

United Airlines, American Airlines and Qantas Airways are the top three most popular airlines that fly to Sydney from Austin according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $1,174.

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

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

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

Los Angeles (LAX) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

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 12m.

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

Houston (IAH) has the shortest average layover time for this route: 1h 35m.

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 5 as of August 2025.

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.

$138 Cheap Flights from Austin to Sydney (AUS-SYD) in 2025

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

Prices are currently typical for flights on this route. Typical prices usually range from $990 to $1,458. The lowest price recently found on this route was $1,021.

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Find the cheapest flights from Austin to Sydney (AUS-SYD)

Round-trip

One-way

Last minute

Cheap round-trip flights

10:00 am - 7:20 amAUS-SYD

30h 20m2 stops

9:20 am - 8:11 pmSYD-AUS

25h 51m1 stop

$1,021Air Canada

Find Deal

Wed, Sep 17 - Wed, Sep 24

10:00 am - 7:20 amAUS-SYD

30h 20m2 stops

9:20 am - 10:30 amSYD-AUS

40h 10m2 stops

$1,028Air Canada

Find Deal

Wed, Sep 17 - Wed, Sep 24

5:46 pm - 9:50 amAUS-SYD

23h 04m2 stops

2:05 pm - 4:53 pmSYD-AUS

19h 48m1 stop

$1,032Qantas Airways

Find Deal

Sat, Dec 6 - Sun, Dec 14

5:00 pm - 11:35 amAUS-SYD

25h 35m2 stops

9:25 pm - 12:25 amSYD-AUS

20h 00m1 stop

$1,036Qantas Airways

Find Deal

Sun, Nov 2 - Sun, Nov 23

10:00 am - 7:20 amAUS-SYD

54h 20m3 stops

9:20 am - 7:55 pmSYD-AUS

49h 35m3 stops

$1,075Air Canada

Find Deal

Wed, Sep 17 - Wed, Sep 24

1:59 pm - 6:35 amAUS-SYD

25h 36m1 stop

9:25 am - 9:12 pmSYD-AUS

26h 47m1 stop

$1,111Delta

Find Deal

Wed, Sep 17 - Wed, Sep 24

6:00 pm - 6:55 amAUS-SYD

21h 55m1 stop

9:30 am - 2:34 pmSYD-AUS

20h 04m1 stop

$1,210United Airlines

Find Deal

Thu, Sep 4 - Sat, Sep 13

4:00 pm - 6:35 amAUS-SYD

23h 35m1 stop

9:25 am - 9:12 pmSYD-AUS

26h 47m1 stop

$1,211Delta

Find Deal

Fri, Sep 19 - Fri, Sep 26

4:32 pm - 9:05 amAUS-SYD

23h 33m1 stop

2:00 pm - 4:31 pmSYD-AUS

19h 31m1 stop

$1,252United Airlines

Find Deal

Fri, Jan 30 - Sun, Feb 15

1:54 pm - 8:05 amAUS-SYD

26h 11m1 stop

10:10 am - 12:44 pmSYD-AUS

18h 34m1 stop

$1,294American Airlines

Find Deal

Sat, Oct 18 - Sat, Oct 25

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Air Canada

Sep 1

AUS8:20 amAustin Bergstrom

32h 00m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 8

SYD9:20 amSydney Kingsford Smith

25h 51m

1 stop

AUS8:11 pmAustin Bergstrom

$966

Find similar

Air Canada

Sep 1

AUS11:20 amAustin Bergstrom

29h 00m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 8

SYD9:20 amSydney Kingsford Smith

49h 35m

2 stops

AUS7:55 pmAustin Bergstrom

$972

Find similar

Air Canada

Sep 17

AUS10:00 amAustin Bergstrom

30h 20m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 24

SYD9:20 amSydney Kingsford Smith

25h 51m

1 stop

AUS8:11 pmAustin Bergstrom

$1,021

Find similar

Delta flights from Austin to Sydney

Our best Delta deals on Austin to Sydney flight tickets

Delta

Sep 17

AUS1:59 pmAustin Bergstrom

25h 36m

1 stop

SYD6:35 amSydney Kingsford Smith

Sep 24

SYD9:25 amSydney Kingsford Smith

26h 47m

1 stop

AUS9:12 pmAustin Bergstrom

$1,111

Find similar

Delta

Sep 19

AUS4:00 pmAustin Bergstrom

23h 35m

1 stop

SYD6:35 amSydney Kingsford Smith

Sep 26

SYD9:25 amSydney Kingsford Smith

26h 47m

1 stop

AUS9:12 pmAustin Bergstrom

$1,211

Find similar

Delta

Oct 3

AUS7:15 pmAustin Bergstrom

20h 20m

1 stop

SYD6:35 amSydney Kingsford Smith

Oct 10

SYD10:25 amSydney Kingsford Smith

20h 45m

1 stop

AUS3:10 pmAustin Bergstrom

$1,261

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/17

10:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

Wed 9/24

9:20 am-8:11 pm

1 stop25h 51m

$1,021

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/17

10:00 am-7:20 am

2 stops30h 20m

Sydney Kingsford Smith

Wed 9/24

9:20 am-10:30 am

2 stops40h 10m

$1,028

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 12/6

5:46 pm-9:50 am

2 stops23h 04m

Sydney Kingsford Smith

Sun 12/14

2:05 pm-4:53 pm

1 stop19h 48m

$1,032

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 11/2

5:00 pm-11:35 am

2 stops25h 35m

Sydney Kingsford Smith

Sun 11/23

9:25 pm-12:25 am

1 stop20h 00m

$1,036

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/17

10:00 am-7:20 am

3 stops54h 20m

Sydney Kingsford Smith

Wed 9/24

9:20 am-7:55 pm

3 stops49h 35m

$1,075

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 9/17

1:59 pm-6:35 am

1 stop25h 36m

Sydney Kingsford Smith

Wed 9/24

9:25 am-9:12 pm

1 stop26h 47m

$1,111

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 9/4

6:00 pm-6:55 am

1 stop21h 55m

Sydney Kingsford Smith

Sat 9/13

9:30 am-2:34 pm

1 stop20h 04m

$1,210

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 9/19

4:00 pm-6:35 am

1 stop23h 35m

Sydney Kingsford Smith

Fri 9/26

9:25 am-9:12 pm

1 stop26h 47m

$1,211

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 1/30

4:32 pm-9:05 am

1 stop23h 33m

Sydney Kingsford Smith

Sun 2/15

2:00 pm-4:31 pm

1 stop19h 31m

$1,252

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 10/18

1:54 pm-8:05 am

1 stop26h 11m

Sydney Kingsford Smith

Sat 10/25

10:10 am-12:44 pm

1 stop18h 34m

$1,294

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 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 $1,067. If you are unable to visit Sydney during the month of August, then departing from Austin during the month May is also very affordable. Most momondo users find prices during this month for around $1,078.

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 $1,295 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 $1,157 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 3% on your flight if you consider stops on a Austin to Sydney flight.

How have Austin to Sydney flight prices changed over time?

As of August 2025, prices for Austin to Sydney flights are approximately 27% cheaper when compared to flights at the same time last year.

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

Direct flights	None

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

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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 20h 19m 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 5 as of August 2025.
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 United Airlines, representing 40% of all bookings. The subsequent popular airlines are American Airlines at 25%, Qantas Airways at 17%, and Delta at 14%.

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 $469	Free Cancellation	Rating 7.9 7,981 reviews	Search Delta flights
Fiji Airways	PriceFrom $717	Free Cancellation	Rating 8.0 204 reviews	Search Fiji Airways flights
American Airlines	PriceFrom $891	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $909	Free Cancellation	Rating 7.4 8,930 reviews	Search United Airlines flights
Qantas Airways	PriceFrom $1,078	Free Cancellation	Rating 7.5 898 reviews	Search Qantas Airways flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Randwick

Coogee

Cronulla

Lithgow

Penrith

Manly

Leura

Charlestown

Swansea

Terrigal

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 $551

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 9/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

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Our best Delta deals on Austin to Sydney flight tickets

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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?

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?

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

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 3% on your flight if you consider stops on a Austin to Sydney flight.

How have Austin to Sydney flight prices changed over time?

As of August 2025, prices for Austin to Sydney flights are approximately 27% cheaper when compared to flights at the same time last year.

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

Air Canada, Delta, and Qantas Airways are the most popular carriers operating 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?

Los Angeles (LAX) was the most common stop: 75% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Los Angeles (LAX) offer the lowest average round-trip price of $1,174.

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 12m.

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

Houston (IAH) has the shortest average layover time for this route: 1h 35m.

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

Direct flights

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

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

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?

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

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

Traveling to a place near Sydney?

Why use momondo?

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

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

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

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

An easier way to manage your Sydney 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales