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

Qantas Airways, Delta, and United 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.

$723 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 typical for flights on this route. Typical prices usually range from $1,497 to $2,002. The lowest price recently found on this route was $1,582.

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.

14:29 - 09:00

AUS

SYD

25h 31m

1 stop

17:50 - 14:05

SYD

AUS

37h 15m

2 stops

$1,582Qantas Airways

Wed, 4 Nov - Fri, 11 Dec

09:00 - 07:20

AUS

SYD

31h 20m

1 stop

09:20 - 06:02

SYD

AUS

35h 42m

1 stop

$1,592Air Canada

Mon, 3 Aug - Wed, 19 Aug

14:29 - 09:00

AUS

SYD

25h 31m

1 stop

08:55 - 14:05

SYD

AUS

22h 10m

2 stops

$1,595Qantas Airways

Tue, 3 Nov - Mon, 7 Dec

10:25 - 07:20

AUS

SYD

29h 55m

2 stops

09:20 - 06:02

SYD

AUS

35h 42m

1 stop

$1,596Air Canada

Sun, 9 Aug - Sun, 23 Aug

19:44 - 07:20

AUS

SYD

44h 36m

2 stops

09:20 - 08:39

SYD

AUS

38h 19m

2 stops

$1,602Air Canada

Sun, 5 Jul - Tue, 14 Jul

11:40 - 07:20

AUS

SYD

52h 40m

2 stops

09:20 - 06:02

SYD

AUS

35h 42m

1 stop

$1,603Air Canada

Mon, 3 Aug - Wed, 19 Aug

14:18 - 07:20

AUS

SYD

26h 02m

2 stops

09:20 - 06:02

SYD

AUS

35h 42m

1 stop

$1,606Multiple Airlines

Mon, 3 Aug - Sun, 16 Aug

10:25 - 08:20

AUS

SYD

29h 55m

2 stops

11:20 - 12:19

SYD

AUS

41h 59m

2 stops

$1,608Air Canada

Tue, 20 Oct - Wed, 18 Nov

10:25 - 08:20

AUS

SYD

29h 55m

2 stops

11:20 - 12:19

SYD

AUS

41h 59m

2 stops

$1,609Air Canada

Tue, 20 Oct - Wed, 18 Nov

14:45 - 07:20

AUS

SYD

25h 35m

2 stops

09:20 - 16:58

SYD

AUS

22h 38m

2 stops

$1,612Air Canada

Wed, 1 Jul - Wed, 8 Jul

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Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Air Canada

3 Aug

AUS09:00Austin Bergstrom

31h 20m

1 stop

SYD07:20Sydney Kingsford Smith

19 Aug

SYD09:20Sydney Kingsford Smith

35h 42m

1 stop

AUS06:02Austin Bergstrom

$1,592

Air Canada

9 Aug

AUS10:25Austin Bergstrom

29h 55m

2 stops

SYD07:20Sydney Kingsford Smith

23 Aug

SYD09:20Sydney Kingsford Smith

35h 42m

1 stop

AUS06:02Austin Bergstrom

$1,596

Air Canada

5 July

AUS19:44Austin Bergstrom

44h 36m

2 stops

SYD07:20Sydney Kingsford Smith

14 July

SYD09:20Sydney Kingsford Smith

38h 19m

2 stops

AUS08:39Austin Bergstrom

$1,602

Delta flights from Austin to Sydney

Our best Delta deals on Austin to Sydney flight tickets

Delta

26 July

AUS13:40Austin Bergstrom

26h 10m

1 stop

SYD06:50Sydney Kingsford Smith

26 Aug

SYD09:15Sydney Kingsford Smith

18h 27m

1 stop

AUS12:42Austin Bergstrom

$1,684

Delta

21 June

AUS20:21Austin Bergstrom

19h 29m

1 stop

SYD06:50Sydney Kingsford Smith

5 July

SYD09:15Sydney Kingsford Smith

21h 53m

1 stop

AUS16:08Austin Bergstrom

$1,686

Delta

26 July

AUS12:20Austin Bergstrom

27h 30m

2 stops

SYD06:50Sydney Kingsford Smith

26 Aug

SYD09:15Sydney Kingsford Smith

18h 27m

1 stop

AUS12:42Austin Bergstrom

$1,690

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 4/11

14:29-09:00

1 stop25h 31m

Sydney Kingsford Smith

Fri 11/12

17:50-14:05

2 stops37h 15m

$1,582

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 3/8

09:00-07:20

1 stop31h 20m

Sydney Kingsford Smith

Wed 19/8

09:20-06:02

1 stop35h 42m

$1,592

Fastest return journey

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 3/11

14:29-09:00

1 stop25h 31m

Sydney Kingsford Smith

Mon 7/12

08:55-14:05

2 stops22h 10m

$1,595

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 9/8

10:25-07:20

2 stops29h 55m

Sydney Kingsford Smith

Sun 23/8

09:20-06:02

1 stop35h 42m

$1,596

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 5/7

19:44-07:20

2 stops44h 36m

Sydney Kingsford Smith

Tue 14/7

09:20-08:39

2 stops38h 19m

$1,602

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 3/8

11:40-07:20

2 stops52h 40m

Sydney Kingsford Smith

Wed 19/8

09:20-06:02

1 stop35h 42m

$1,603

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 3/8

14:18-07:20

2 stops26h 02m

Sydney Kingsford Smith

Sun 16/8

09:20-06:02

1 stop35h 42m

$1,606

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 20/10

10:25-08:20

2 stops29h 55m

Sydney Kingsford Smith

Wed 18/11

11:20-12:19

2 stops41h 59m

$1,608

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 20/10

10:25-08:20

2 stops29h 55m

Sydney Kingsford Smith

Wed 18/11

11:20-12:19

2 stops41h 59m

$1,609

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 1/7

14:45-07:20

2 stops25h 35m

Sydney Kingsford Smith

Wed 8/7

09:20-16:58

2 stops22h 38m

$1,612

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?

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 $1,401. If you aren’t able to travel to Sydney during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $1,402.

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 $1,829 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 $1,599 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 26% 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	19h 47m
Direct flights	None

The fastest flight from Austin to Sydney takes 19h 47m

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 47m, 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

Manly

Coogee

Leura

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.