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

Air Canada and American Airlines 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 were last updated today.

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

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

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$166 Cheap Flights from Austin to Sydney in 2026

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17:39 - 20:50

AUS

SYD

35h 11m

2 stops

11:20 - 23:59

SYD

AUS

28h 39m

1 stop

$1,350Qantas Airways

Tue, 17 Mar - Tue, 24 Mar

14:19 - 09:00

AUS

SYD

25h 41m

1 stop

19:15 - 11:16

SYD

AUS

32h 01m

2 stops

$1,426Qantas Airways

Sun, 1 Mar - Sun, 15 Mar

14:19 - 09:00

AUS

SYD

25h 41m

1 stop

19:15 - 11:16

SYD

AUS

32h 01m

2 stops

$1,564Qantas Airways

Tue, 3 Mar - Tue, 10 Mar

14:19 - 09:20

AUS

SYD

26h 01m

2 stops

14:05 - 15:34

SYD

AUS

18h 29m

1 stop

$1,647Qantas Airways

Wed, 25 Feb - Wed, 4 Mar

17:39 - 06:55

AUS

SYD

20h 16m

1 stop

17:35 - 22:59

SYD

AUS

22h 24m

2 stops

$1,659Qantas Airways

Sun, 1 Mar - Sun, 8 Mar

15:05 - 07:30

AUS

SYD

25h 25m

1 stop

13:15 - 22:59

SYD

AUS

24h 44m

2 stops

$1,692Multiple Airlines

Thu, 16 Apr - Tue, 12 May

14:24 - 07:30

AUS

SYD

26h 06m

1 stop

13:15 - 22:59

SYD

AUS

24h 44m

2 stops

$1,695Multiple Airlines

Sat, 4 Apr - Mon, 13 Apr

10:25 - 07:20

AUS

SYD

29h 55m

2 stops

09:20 - 20:02

SYD

AUS

25h 42m

1 stop

$1,696Air Canada

Sun, 10 May - Sun, 17 May

10:25 - 07:20

AUS

SYD

29h 55m

2 stops

09:20 - 20:15

SYD

AUS

49h 55m

2 stops

$1,700Air Canada

Sun, 10 May - Sun, 17 May

11:55 - 07:20

AUS

SYD

28h 25m

2 stops

09:20 - 20:02

SYD

AUS

25h 42m

1 stop

$1,703Air Canada

Wed, 13 May - Sun, 17 May

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Air Canada

10 May

AUS10:25Austin Bergstrom

29h 55m

2 stops

SYD07:20Sydney Kingsford Smith

17 May

SYD09:20Sydney Kingsford Smith

25h 42m

1 stop

AUS20:02Austin Bergstrom

$1,696

Air Canada

10 May

AUS10:25Austin Bergstrom

29h 55m

2 stops

SYD07:20Sydney Kingsford Smith

17 May

SYD09:20Sydney Kingsford Smith

49h 55m

2 stops

AUS20:15Austin Bergstrom

$1,700

Air Canada

17 May

AUS10:25Austin Bergstrom

53h 55m

2 stops

SYD07:20Sydney Kingsford Smith

24 May

SYD09:20Sydney Kingsford Smith

49h 55m

2 stops

AUS20:15Austin Bergstrom

$1,702

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

4 Feb

AUS18:25Austin Bergstrom

21h 35m

1 stop

SYD09:00Sydney Kingsford Smith

6 Feb

SYD19:15Sydney Kingsford Smith

40h 53m

2 stops

AUS19:08Austin Bergstrom

$1,342

Qantas Airways

17 Mar

AUS17:39Austin Bergstrom

35h 11m

2 stops

SYD20:50Sydney Kingsford Smith

24 Mar

SYD11:20Sydney Kingsford Smith

28h 39m

1 stop

AUS23:59Austin Bergstrom

$1,350

Qantas Airways

1 Mar

AUS14:19Austin Bergstrom

25h 41m

1 stop

SYD09:00Sydney Kingsford Smith

15 Mar

SYD19:15Sydney Kingsford Smith

32h 01m

2 stops

AUS11:16Austin Bergstrom

$1,426

Fly from

Fly to

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 17/3

17:39-20:50

2 stops35h 11m

Sydney Kingsford Smith

Tue 24/3

11:20-23:59

1 stop28h 39m

$1,350

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 1/3

14:19-09:00

1 stop25h 41m

Sydney Kingsford Smith

Sun 15/3

19:15-11:16

2 stops32h 01m

$1,426

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/3

14:19-09:00

1 stop25h 41m

Sydney Kingsford Smith

Tue 10/3

19:15-11:16

2 stops32h 01m

$1,564

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 25/2

14:19-09:20

2 stops26h 01m

Sydney Kingsford Smith

Wed 4/3

14:05-15:34

1 stop18h 29m

$1,647

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 1/3

17:39-06:55

1 stop20h 16m

Sydney Kingsford Smith

Sun 8/3

17:35-22:59

2 stops22h 24m

$1,659

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 16/4

15:05-07:30

1 stop25h 25m

Sydney Kingsford Smith

Tue 12/5

13:15-22:59

2 stops24h 44m

$1,692

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 4/4

14:24-07:30

1 stop26h 06m

Sydney Kingsford Smith

Mon 13/4

13:15-22:59

2 stops24h 44m

$1,695

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 10/5

10:25-07:20

2 stops29h 55m

Sydney Kingsford Smith

Sun 17/5

09:20-20:02

1 stop25h 42m

$1,696

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 10/5

10:25-07:20

2 stops29h 55m

Sydney Kingsford Smith

Sun 17/5

09:20-20:15

2 stops49h 55m

$1,700

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 13/5

11:55-07:20

2 stops28h 25m

Sydney Kingsford Smith

Sun 17/5

09:20-20:02

1 stop25h 42m

$1,703

Flights are sorted by cheapest return 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

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,439. If you aren’t able to travel to Sydney during the month of May, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,441.

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

Our data shows that Friday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $326. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $578.

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 evening. momondo users have found flights departing from Austin to Sydney in the evening for as low as $291. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $543 on average. Flights to Sydney from Austin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,694 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Austin for as low as $1,522 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 35% 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 return 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	20h 05m
Direct flights	None

The fastest flight from Austin to Sydney takes 20h 05m

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?
A flight from Austin Bergstrom to Sydney Kingsford Smith will travel around 13621.3 km. Flights usually cover this in 20h 05m, depending on flying conditions and air traffic around both airports.
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 were last updated today.
How old do you have to be to fly from Austin Bergstrom Airport to Sydney Kingsford Smith 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 Austin Bergstrom Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Coogee

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Austin to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Sydney from Austin on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Austin.

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

Of course. momondo tracks the price of Austin to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.