What airlines fly to Sydney?

United Airlines, Qantas Airways and American Airlines 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 34% 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: 89% 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 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 $1,161.

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

Delta and Qantas Airways 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 April 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.

$547 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 $1,535 to $1,301. The lowest price recently found on this route was $1,189.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

8:50 am - 7:20 am

AUS

SYD

31h 30m

1 stop

9:20 am - 10:58 am

SYD

AUS

40h 38m

2 stops

$1,189Air Canada

Tue, May 12 - Tue, May 19

10:25 am - 7:20 am

AUS

SYD

29h 55m

2 stops

9:20 am - 10:58 am

SYD

AUS

40h 38m

2 stops

$1,192Air Canada

Tue, May 12 - Tue, May 19

10:25 am - 7:20 am

AUS

SYD

53h 55m

3 stops

9:20 am - 10:58 am

SYD

AUS

40h 38m

2 stops

$1,201Air Canada

Tue, May 12 - Tue, May 19

8:50 am - 7:20 am

AUS

SYD

31h 30m

1 stop

9:20 am - 8:17 pm

SYD

AUS

25h 57m

1 stop

$1,207Air Canada

Fri, Jun 12 - Wed, Jun 17

10:25 am - 7:20 am

AUS

SYD

29h 55m

2 stops

9:20 am - 8:17 pm

SYD

AUS

25h 57m

1 stop

$1,210Air Canada

Fri, Jun 12 - Wed, Jun 17

10:25 am - 7:20 am

AUS

SYD

53h 55m

2 stops

9:20 am - 10:45 am

SYD

AUS

40h 25m

2 stops

$1,218Air Canada

Fri, Jun 12 - Wed, Jun 17

10:25 am - 7:20 am

AUS

SYD

53h 55m

3 stops

9:20 am - 10:45 am

SYD

AUS

40h 25m

2 stops

$1,227Air Canada

Fri, Jun 12 - Wed, Jun 17

8:50 am - 7:20 am

AUS

SYD

31h 30m

1 stop

9:20 am - 10:58 am

SYD

AUS

40h 38m

1 stop

$1,229Multiple Airlines

Tue, May 12 - Tue, May 19

9:00 am - 7:20 am

AUS

SYD

31h 20m

1 stop

9:20 am - 10:45 am

SYD

AUS

40h 25m

2 stops

$1,237Air Canada

Sat, Jul 4 - Tue, Aug 4

11:55 am - 7:20 am

AUS

SYD

28h 25m

2 stops

9:20 am - 8:17 pm

SYD

AUS

25h 57m

1 stop

$1,245Air Canada

Mon, Jun 1 - Sun, Jun 7

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Air Canada

Aug 30

AUS10:25 amAustin Bergstrom

29h 55m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 6

SYD9:20 amSydney Kingsford Smith

25h 57m

1 stop

AUS8:17 pmAustin Bergstrom

$1,184

Air Canada

Sep 9

AUS10:25 amAustin Bergstrom

29h 55m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 30

SYD9:20 amSydney Kingsford Smith

49h 35m

2 stops

AUS7:55 pmAustin Bergstrom

$1,187

Air Canada

May 12

AUS8:50 amAustin Bergstrom

31h 30m

1 stop

SYD7:20 amSydney Kingsford Smith

May 19

SYD9:20 amSydney Kingsford Smith

40h 38m

2 stops

AUS10:58 amAustin Bergstrom

$1,189

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

May 26

AUS3:08 pmAustin Bergstrom

24h 57m

1 stop

SYD7:05 amSydney Kingsford Smith

Jun 16

SYD9:10 amSydney Kingsford Smith

20h 33m

1 stop

AUS2:43 pmAustin Bergstrom

$1,361

Qantas Airways

Apr 28

AUS3:05 pmAustin Bergstrom

27h 15m

2 stops

SYD9:20 amSydney Kingsford Smith

May 13

SYD12:00 pmSydney Kingsford Smith

21h 39m

1 stop

AUS6:39 pmAustin Bergstrom

$1,388

Qantas Airways

Apr 27

AUS7:37 pmAustin Bergstrom

20h 28m

1 stop

SYD7:05 amSydney Kingsford Smith

May 4

SYD9:10 amSydney Kingsford Smith

20h 25m

1 stop

AUS2:35 pmAustin Bergstrom

$1,429

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 5/12

8:50 am-7:20 am

1 stop31h 30m

Sydney Kingsford Smith

Tue 5/19

9:20 am-10:58 am

2 stops40h 38m

$1,189

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 5/12

10:25 am-7:20 am

2 stops29h 55m

Sydney Kingsford Smith

Tue 5/19

9:20 am-10:58 am

2 stops40h 38m

$1,192

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 5/12

10:25 am-7:20 am

3 stops53h 55m

Sydney Kingsford Smith

Tue 5/19

9:20 am-10:58 am

2 stops40h 38m

$1,201

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 6/12

8:50 am-7:20 am

1 stop31h 30m

Sydney Kingsford Smith

Wed 6/17

9:20 am-8:17 pm

1 stop25h 57m

$1,207

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 6/12

10:25 am-7:20 am

2 stops29h 55m

Sydney Kingsford Smith

Wed 6/17

9:20 am-8:17 pm

1 stop25h 57m

$1,210

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 6/12

10:25 am-7:20 am

2 stops53h 55m

Sydney Kingsford Smith

Wed 6/17

9:20 am-10:45 am

2 stops40h 25m

$1,218

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 6/12

10:25 am-7:20 am

3 stops53h 55m

Sydney Kingsford Smith

Wed 6/17

9:20 am-10:45 am

2 stops40h 25m

$1,227

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 5/12

8:50 am-7:20 am

1 stop31h 30m

Sydney Kingsford Smith

Tue 5/19

9:20 am-10:58 am

1 stop40h 38m

$1,229

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 7/4

9:00 am-7:20 am

1 stop31h 20m

Sydney Kingsford Smith

Tue 8/4

9:20 am-10:45 am

2 stops40h 25m

$1,237

Quickest round-trip

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/1

11:55 am-7:20 am

2 stops28h 25m

Sydney Kingsford Smith

Sun 6/7

9:20 am-8:17 pm

1 stop25h 57m

$1,245

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 $1,003. 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 $1,057.

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 $1,287 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 37% 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	24h 20m
Direct flights	None

The fastest flight from Austin to Sydney takes 24h 20m

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 24h 20m 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 April 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 United Airlines, representing 32% of all bookings. The subsequent popular airlines are Qantas Airways at 28%, American Airlines at 21%, and Delta at 12%.

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 $221	Free Cancellation	Rating 7.9 8,403 reviews	Search Delta flights
Fiji Airways	PriceFrom $717	Free Cancellation	Rating 8.1 239 reviews	Search Fiji Airways flights
Air New Zealand	PriceFrom $912	Free Cancellation	Rating 8.0 627 reviews	Search Air New Zealand flights
United Airlines	PriceFrom $944	Free Cancellation	Rating 7.4 9,587 reviews	Search United Airlines flights
American Airlines	PriceFrom $945	Free Cancellation	Rating 7.1 11,580 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $950	Free Cancellation	Rating 7.5 1,019 reviews	Search Qantas Airways flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Penrith

Leura

Randwick

Coogee

Lithgow

Manly

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.

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Fri 5/15

Fri 5/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from Austin

Complete your trip

Feeling lucky

Cheap flights from Austin to Sydney from $547

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 6/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Austin to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Austin to Sydney that are best for you.

See travel insights to Sydney from

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 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

Fastest flight time

Direct flights

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

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

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

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

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Austin

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year