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

United Airlines, 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.

$901 Cheap Flights from Austin to Sydney in 2026/27

Find the cheapest flights from Austin to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

15:21 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 14m2 stops San Francisco Vancouver Intl

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

41h 00m2 stops Vancouver Intl Toronto Pearson Intl

$1,541Multiple Airlines

Mon, 1 Feb - Sat, 27 Feb

14:25 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

26h 10m2 stops Houston George Bush Intcntl Vancouver Intl

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

41h 00m2 stops Vancouver Intl Toronto Pearson Intl

$1,595Multiple Airlines

Thu, 11 Feb - Sat, 27 Feb

12:15 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

52h 20m2 stops Toronto Pearson Intl Vancouver Intl

11:20 - 10:10SYD Sydney Kingsford Smith-AUS Austin Bergstrom

39h 50m2 stops Vancouver Intl Toronto Pearson Intl

$1,601Air Canada

Fri, 5 Mar - Sat, 13 Mar

12:05 - 07:20AUS Austin Bergstrom-SYD Sydney Kingsford Smith

28h 15m2 stops Toronto Pearson Intl Vancouver Intl

09:20 - 11:03SYD Sydney Kingsford Smith-AUS Austin Bergstrom

40h 43m2 stops Vancouver Intl Toronto Pearson Intl

$1,604Air Canada

Sun, 11 Apr - Mon, 19 Apr

15:21 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 14m2 stops San Francisco Vancouver Intl

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

41h 00m2 stops Vancouver Intl Toronto Pearson Intl

$1,651Multiple Airlines

Mon, 1 Feb - Sat, 27 Feb

14:44 - 10:20AUS Austin Bergstrom-SYD Sydney Kingsford Smith

26h 36m2 stops Los Angeles Brisbane

14:05 - 17:24SYD Sydney Kingsford Smith-AUS Austin Bergstrom

20h 19m1 stop Dallas/Fort Worth

$1,658Qantas Airways

Fri, 26 Feb - Fri, 5 Mar

18:55 - 11:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

23h 10m2 stops Dallas/Fort Worth Brisbane

14:05 - 18:38SYD Sydney Kingsford Smith-AUS Austin Bergstrom

21h 33m1 stop Dallas/Fort Worth

$1,662Multiple Airlines

Mon, 1 Feb - Sat, 27 Feb

18:55 - 11:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

23h 10m2 stops Dallas/Fort Worth Brisbane

14:05 - 17:24SYD Sydney Kingsford Smith-AUS Austin Bergstrom

20h 19m1 stop Dallas/Fort Worth

$1,664Qantas Airways

Mon, 1 Feb - Sat, 27 Feb

13:30 - 09:35AUS Austin Bergstrom-SYD Sydney Kingsford Smith

27h 05m2 stops San Francisco Vancouver Intl

11:20 - 05:33SYD Sydney Kingsford Smith-AUS Austin Bergstrom

35h 13m2 stops Vancouver Intl San Francisco

$1,668Air Canada

Mon, 1 Feb - Mon, 8 Feb

18:15 - 11:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

23h 50m2 stops Dallas/Fort Worth Brisbane

14:05 - 17:24SYD Sydney Kingsford Smith-AUS Austin Bergstrom

20h 19m1 stop Dallas/Fort Worth

$1,699Qantas Airways

Thu, 11 Feb - Sat, 27 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:20 - 06:55AUS Austin Bergstrom-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

11:05 - 20:24SYD Sydney Kingsford Smith-AUS Austin Bergstrom

26h 19m2 stops Brisbane Los Angeles

$1,669Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

17:46 - 06:55AUS Austin Bergstrom-SYD Sydney Kingsford Smith

20h 09m1 stop Dallas/Fort Worth

10:25 - 20:24SYD Sydney Kingsford Smith-AUS Austin Bergstrom

26h 59m2 stops Brisbane Los Angeles

$1,674Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

16:20 - 06:55AUS Austin Bergstrom-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

11:05 - 20:24SYD Sydney Kingsford Smith-AUS Austin Bergstrom

26h 19m2 stops Brisbane Los Angeles

$1,678Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

15:23 - 09:00AUS Austin Bergstrom-SYD Sydney Kingsford Smith

24h 37m1 stop Los Angeles

14:05 - 15:30SYD Sydney Kingsford Smith-AUS Austin Bergstrom

18h 25m1 stop Dallas/Fort Worth

$1,742American Airlines

Tue, 3 Nov - Wed, 11 Nov

16:20 - 06:55AUS Austin Bergstrom-SYD Sydney Kingsford Smith

21h 35m1 stop Dallas/Fort Worth

14:05 - 17:05SYD Sydney Kingsford Smith-AUS Austin Bergstrom

20h 00m1 stop Dallas/Fort Worth

$1,743American Airlines

Tue, 3 Nov - Wed, 11 Nov

15:05 - 09:20AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 15m2 stops Denver Intl San Francisco

11:50 - 16:58SYD Sydney Kingsford Smith-AUS Austin Bergstrom

22h 08m2 stops San Francisco Denver Intl

$1,745United Airlines

Sun, 1 Nov - Mon, 16 Nov

17:40 - 09:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

22h 25m2 stops Houston George Bush Intcntl Los Angeles

11:20 - 17:51SYD Sydney Kingsford Smith-AUS Austin Bergstrom

23h 31m2 stops Los Angeles Houston George Bush Intcntl

$1,747United Airlines

Tue, 3 Nov - Wed, 11 Nov

17:40 - 09:05AUS Austin Bergstrom-SYD Sydney Kingsford Smith

22h 25m2 stops Houston George Bush Intcntl Los Angeles

11:20 - 17:51SYD Sydney Kingsford Smith-AUS Austin Bergstrom

23h 31m2 stops Los Angeles Houston George Bush Intcntl

$1,749United Airlines

Tue, 3 Nov - Wed, 11 Nov

14:00 - 08:30AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 30m1 stop Los Angeles

10:40 - 21:18SYD Sydney Kingsford Smith-AUS Austin Bergstrom

27h 38m1 stop Los Angeles

$1,759Delta

Tue, 3 Nov - Wed, 11 Nov

14:18 - 08:30AUS Austin Bergstrom-SYD Sydney Kingsford Smith

25h 12m2 stops Salt Lake City Los Angeles

10:40 - 21:41SYD Sydney Kingsford Smith-AUS Austin Bergstrom

28h 01m2 stops Los Angeles Salt Lake City

$1,766Delta

Tue, 3 Nov - Wed, 11 Nov

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Air New Zealand flights from Austin to Sydney

Our best Air New Zealand deals on Austin to Sydney flight tickets

Air New Zealand

11 Apr

AUS12:05Austin Bergstrom

28h 15m

1 stop

SYD07:20Sydney Kingsford Smith

19 Apr

SYD09:20Sydney Kingsford Smith

40h 43m

2 stops

AUS11:03Austin Bergstrom

$1,720

Air New Zealand

17 Jan

AUS19:10Austin Bergstrom

48h 40m

2 stops

SYD12:50Sydney Kingsford Smith

27 Jan

SYD09:55Sydney Kingsford Smith

31h 04m

2 stops

AUS23:59Austin Bergstrom

$1,756

Air New Zealand

1 Dec

AUS16:19Austin Bergstrom

23h 16m

2 stops

SYD08:35Sydney Kingsford Smith

25 Dec

SYD09:55Sydney Kingsford Smith

28h 57m

2 stops

AUS21:52Austin Bergstrom

$1,806

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

26 Feb

AUS14:44Austin Bergstrom

26h 36m

2 stops

SYD10:20Sydney Kingsford Smith

5 Mar

SYD14:05Sydney Kingsford Smith

20h 19m

1 stop

AUS17:24Austin Bergstrom

$1,658

Qantas Airways

1 Feb

AUS18:55Austin Bergstrom

23h 10m

2 stops

SYD11:05Sydney Kingsford Smith

27 Feb

SYD14:05Sydney Kingsford Smith

20h 19m

1 stop

AUS17:24Austin Bergstrom

$1,664

Qantas Airways

11 Feb

AUS18:15Austin Bergstrom

23h 50m

2 stops

SYD11:05Sydney Kingsford Smith

27 Feb

SYD14:05Sydney Kingsford Smith

20h 19m

1 stop

AUS17:24Austin Bergstrom

$1,699

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Mon 1/2

15:21-09:35

2 stops25h 14m

Sydney Kingsford Smith

Sat 27/2

11:20-11:20

2 stops41h 00m

$1,541

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Thu 11/2

14:25-09:35

2 stops26h 10m

Sydney Kingsford Smith

Sat 27/2

11:20-11:20

2 stops41h 00m

$1,595

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Fri 5/3

12:15-09:35

2 stops52h 20m

Sydney Kingsford Smith

Sat 13/3

11:20-10:10

2 stops39h 50m

$1,601

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Sun 11/4

12:05-07:20

2 stops28h 15m

Sydney Kingsford Smith

Mon 19/4

09:20-11:03

2 stops40h 43m

$1,604

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Mon 1/2

15:21-09:35

2 stops25h 14m

Sydney Kingsford Smith

Sat 27/2

11:20-11:20

2 stops41h 00m

$1,651

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Fri 26/2

14:44-10:20

2 stops26h 36m

Sydney Kingsford Smith

Fri 5/3

14:05-17:24

1 stop20h 19m

$1,658

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Mon 1/2

18:55-11:05

2 stops23h 10m

Sydney Kingsford Smith

Sat 27/2

14:05-18:38

1 stop21h 33m

$1,662

Fastest return journey

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Mon 1/2

18:55-11:05

2 stops23h 10m

Sydney Kingsford Smith

Sat 27/2

14:05-17:24

1 stop20h 19m

$1,664

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Mon 1/2

13:30-09:35

2 stops27h 05m

Sydney Kingsford Smith

Mon 8/2

11:20-05:33

2 stops35h 13m

$1,668

AustinSydney

AUS Austin Bergstrom - SYD Sydney Kingsford Smith

AUSSYD

Austin Bergstrom

Thu 11/2

18:15-11:05

2 stops23h 50m

Sydney Kingsford Smith

Sat 27/2

14:05-17:24

1 stop20h 19m

$1,699

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 typical for flights on this route.

Typical prices usually range from $1,370 to $1,838.
The lowest price recently found on this route was $1,541.

What is the cheapest month to fly to Sydney?

The month of February is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,347. If you aren’t able to travel to Sydney during the month of February, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,404.

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 $1,822 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 $1,047 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	$901
Fastest flight time	20h 20m
Direct flights	None

The best one-way flight to Sydney from Austin in the past 72 hours is $901. The best return flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,541.

The fastest flight from Austin to Sydney takes 20h 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?
A flight from Austin Bergstrom to Sydney Kingsford Smith will travel around 13621.3 km. Flights usually cover this in 20h 20m, 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.