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 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.

$778 Cheap Flights from Austin to Sydney in 2026/27

Find the cheapest flights from Austin to Sydney

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

12:05 - 08:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

28h 30m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 11:11SYD Sydney Kingsford Smith-AUS Austin Bergstrom

40h 51m2 stops Vancouver Intl Toronto Pearson Intl

$1,338Air Canada

Wed, 28 Oct - Wed, 4 Nov

16:30 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

24h 05m2 stops Denver Intl Vancouver Intl

11:20 - 17:41SYD Sydney Kingsford Smith-AUS Austin Bergstrom

23h 21m2 stops Vancouver Intl San Francisco

$1,418Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

16:30 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

24h 05m2 stops Denver Intl Vancouver Intl

11:20 - 17:41SYD Sydney Kingsford Smith-AUS Austin Bergstrom

23h 21m2 stops Vancouver Intl San Francisco

$1,421Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

16:30 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

24h 05m2 stops Denver Intl Vancouver Intl

11:20 - 16:58SYD Sydney Kingsford Smith-AUS Austin Bergstrom

22h 38m2 stops Vancouver Intl Denver Intl

$1,424Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

16:30 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

24h 05m2 stops Denver Intl Vancouver Intl

11:20 - 17:41SYD Sydney Kingsford Smith-AUS Austin Bergstrom

23h 21m2 stops Vancouver Intl San Francisco

$1,424Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

13:27 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

27h 08m2 stops San Francisco Vancouver Intl

11:20 - 17:41SYD Sydney Kingsford Smith-AUS Austin Bergstrom

23h 21m2 stops Vancouver Intl San Francisco

$1,425Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

10:25 - 08:20AUS Austin Bergstrom-SYD Sydney Kingsford Smith

29h 55m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 12:11SYD Sydney Kingsford Smith-AUS Austin Bergstrom

40h 51m2 stops Vancouver Intl Toronto Pearson Intl

$1,434Air Canada

Wed, 21 Oct - Sun, 1 Nov

12:10 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

28h 25m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 11:20SYD Sydney Kingsford Smith-AUS Austin Bergstrom

41h 00m2 stops Vancouver Intl Toronto Pearson Intl

$1,441Air Canada

Wed, 3 Feb - Sun, 7 Feb

12:05 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

28h 30m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 11:11SYD Sydney Kingsford Smith-AUS Austin Bergstrom

40h 51m2 stops Vancouver Intl Toronto Pearson Intl

$1,441Air Canada

Sun, 22 Nov - Mon, 30 Nov

19:05 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

45h 30m2 stops Houston George Bush Intcntl Vancouver Intl

11:20 - 18:55SYD Sydney Kingsford Smith-AUS Austin Bergstrom

24h 35m2 stops Vancouver Intl Denver Intl

$1,447Air Canada

Sat, 7 Nov - Sun, 22 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

14:08 - 07:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 57m2 stops Dallas/Fort Worth Los Angeles

09:10 - 20:30SYD Sydney Kingsford Smith-AUS Austin Bergstrom

26h 20m1 stop Los Angeles

$18,339American Airlines

Fri, 18 Sep - Thu, 24 Sep

14:08 - 07:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 57m2 stops Dallas/Fort Worth Los Angeles

09:10 - 23:45SYD Sydney Kingsford Smith-AUS Austin Bergstrom

29h 35m2 stops Los Angeles Dallas/Fort Worth

$18,339American Airlines

Fri, 18 Sep - Thu, 24 Sep

20:40 - 07:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

19h 25m1 stop Los Angeles

09:10 - 14:23SYD Sydney Kingsford Smith-AUS Austin Bergstrom

20h 13m1 stop Los Angeles

$19,569Qantas Airways

Fri, 18 Sep - Thu, 24 Sep

14:02 - 06:30AUS Austin Bergstrom-SYD Sydney Kingsford Smith

49h 28m2 stops Los Angeles Singapore Changi

07:25 - 21:58SYD Sydney Kingsford Smith-AUS Austin Bergstrom

53h 33m3 stops Singapore Changi Tokyo Narita Los Angeles

$32,103Singapore Airlines

Fri, 18 Sep - Thu, 24 Sep

14:58 - 07:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 07m1 stop Los Angeles

12:00 - 16:55SYD Sydney Kingsford Smith-AUS Austin Bergstrom

19h 55m1 stop Dallas/Fort Worth

$38,742Qantas Airways

Sun, 20 Sep - Tue, 22 Sep

14:58 - 07:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 07m1 stop Los Angeles

12:00 - 19:55SYD Sydney Kingsford Smith-AUS Austin Bergstrom

22h 55m1 stop Dallas/Fort Worth

$39,594Qantas Airways

Sun, 20 Sep - Tue, 22 Sep

14:58 - 07:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 07m1 stop Los Angeles

14:35 - 15:25SYD Sydney Kingsford Smith-AUS Austin Bergstrom

39h 50m2 stops Singapore Changi London Heathrow

$41,998Multiple Airlines

Sun, 20 Sep - Tue, 22 Sep

08:00 - 06:20AUS Austin Bergstrom-SYD Sydney Kingsford Smith

31h 20m2 stops Dallas/Fort Worth Tokyo Haneda

14:35 - 15:25SYD Sydney Kingsford Smith-AUS Austin Bergstrom

39h 50m2 stops Singapore Changi London Heathrow

$43,811Multiple Airlines

Sun, 20 Sep - Tue, 22 Sep

19:50 - 06:55AUS Austin Bergstrom-SYD Sydney Kingsford Smith

20h 05m1 stop Dallas/Fort Worth

14:35 - 15:25SYD Sydney Kingsford Smith-AUS Austin Bergstrom

39h 50m2 stops Singapore Changi London Heathrow

$44,688Multiple Airlines

Sun, 20 Sep - Tue, 22 Sep

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Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Air Canada

28 Oct

AUS12:05Austin Bergstrom

28h 30m

2 stops

SYD08:35Sydney Kingsford Smith

4 Nov

SYD11:20Sydney Kingsford Smith

40h 51m

2 stops

AUS11:11Austin Bergstrom

$1,338

Air Canada

21 Oct

AUS10:25Austin Bergstrom

29h 55m

2 stops

SYD08:20Sydney Kingsford Smith

1 Nov

SYD11:20Sydney Kingsford Smith

40h 51m

2 stops

AUS12:11Austin Bergstrom

$1,434

Air Canada

22 Nov

AUS12:05Austin Bergstrom

28h 30m

2 stops

SYD09:35Sydney Kingsford Smith

30 Nov

SYD11:20Sydney Kingsford Smith

40h 51m

2 stops

AUS11:11Austin Bergstrom

$1,441

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

1 Feb

AUS18:55Austin Bergstrom

23h 10m

2 stops

SYD11:05Sydney Kingsford Smith

27 Feb

SYD14:05Sydney Kingsford Smith

19h 49m

1 stop

AUS16:54Austin Bergstrom

$1,635

Qantas Airways

1 Feb

AUS18:55Austin Bergstrom

23h 10m

2 stops

SYD11:05Sydney Kingsford Smith

27 Feb

SYD14:05Sydney Kingsford Smith

19h 49m

1 stop

AUS16:54Austin Bergstrom

$1,636

Qantas Airways

11 Feb

AUS16:36Austin Bergstrom

21h 19m

1 stop

SYD06:55Sydney Kingsford Smith

27 Feb

SYD06:05Sydney Kingsford Smith

24h 13m

2 stops

AUS13:18Austin Bergstrom

$1,675

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Wed 28/10

12:05-08:35

2 stops28h 30m

Sydney Kingsford Smith

Wed 4/11

11:20-11:11

2 stops40h 51m

$1,338

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 3/11

16:30-09:35

2 stops24h 05m

Sydney Kingsford Smith

Wed 11/11

11:20-17:41

2 stops23h 21m

$1,418

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 3/11

16:30-09:35

2 stops24h 05m

Sydney Kingsford Smith

Wed 11/11

11:20-17:41

2 stops23h 21m

$1,421

Fastest return journey

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 3/11

16:30-09:35

2 stops24h 05m

Sydney Kingsford Smith

Wed 11/11

11:20-16:58

2 stops22h 38m

$1,424

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 3/11

16:30-09:35

2 stops24h 05m

Sydney Kingsford Smith

Wed 11/11

11:20-17:41

2 stops23h 21m

$1,424

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Tue 3/11

13:27-09:35

2 stops27h 08m

Sydney Kingsford Smith

Wed 11/11

11:20-17:41

2 stops23h 21m

$1,425

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Wed 21/10

10:25-08:20

2 stops29h 55m

Sydney Kingsford Smith

Sun 1/11

11:20-12:11

2 stops40h 51m

$1,434

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Wed 3/2

12:10-09:35

2 stops28h 25m

Sydney Kingsford Smith

Sun 7/2

11:20-11:20

2 stops41h 00m

$1,441

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Sun 22/11

12:05-09:35

2 stops28h 30m

Sydney Kingsford Smith

Mon 30/11

11:20-11:11

2 stops40h 51m

$1,441

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Sat 7/11

19:05-09:35

2 stops45h 30m

Sydney Kingsford Smith

Sun 22/11

11:20-18:55

2 stops24h 35m

$1,447

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 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 $1,855 to $2,038.
The lowest price recently found on this route was $1,338.

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,388. If you aren’t able to travel to Sydney during the month of August, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,410.

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 $1,814 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 $1,035 on momondo.

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

Best price found	$778
Fastest flight time	19h 44m
Direct flights	None

The best one-way flight to Sydney from Austin in the past 72 hours is $778. The best return flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,338.

The fastest flight from Austin to Sydney takes 19h 44m

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?
A flight from Austin Bergstrom to Sydney Kingsford Smith will travel around 13621.3 km. Flights usually cover this in 19h 44m, 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.

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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.