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

Delta is the most popular carrier 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

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 $2,104 to $1,377. The lowest price recently found on this route was $1,620.

1 adult

Find the cheapest flights from Austin to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

18:55 - 11:55

AUS

SYD

24h 00m

2 stops

14:05 - 16:38

SYD

AUS

19h 33m

1 stop

$1,620Qantas Airways

Sun, 1 Nov - Fri, 4 Dec

19:50 - 06:50

AUS

SYD

20h 00m

1 stop

09:15 - 12:28

SYD

AUS

18h 13m

1 stop

$1,677Delta

Tue, 2 Jun - Wed, 10 Jun

18:53 - 06:55

AUS

SYD

21h 02m

1 stop

21:50 - 00:02

SYD

AUS

42h 12m

2 stops

$1,681Qantas Airways

Fri, 18 Sep - Sun, 4 Oct

10:38 - 06:50

AUS

SYD

29h 12m

2 stops

09:15 - 18:17

SYD

AUS

24h 02m

2 stops

$1,682Delta

Mon, 1 Jun - Wed, 10 Jun

14:05 - 06:50

AUS

SYD

25h 45m

2 stops

09:15 - 22:12

SYD

AUS

27h 57m

2 stops

$1,684Delta

Tue, 2 Jun - Wed, 10 Jun

18:53 - 06:55

AUS

SYD

21h 02m

1 stop

21:50 - 00:02

SYD

AUS

42h 12m

2 stops

$1,704Qantas Airways

Fri, 18 Sep - Sun, 4 Oct

18:53 - 06:55

AUS

SYD

21h 02m

1 stop

21:50 - 00:02

SYD

AUS

42h 12m

2 stops

$1,707Qantas Airways

Fri, 18 Sep - Sun, 4 Oct

18:53 - 06:55

AUS

SYD

21h 02m

1 stop

21:50 - 00:02

SYD

AUS

42h 12m

2 stops

$1,717Qantas Airways

Fri, 18 Sep - Sun, 4 Oct

15:30 - 06:55

AUS

SYD

24h 25m

1 stop

10:20 - 22:27

SYD

AUS

27h 07m

1 stop

$1,732United Airlines

Tue, 9 Jun - Tue, 23 Jun

20:01 - 06:55

AUS

SYD

19h 54m

1 stop

09:30 - 21:06

SYD

AUS

26h 36m

2 stops

$1,738United Airlines

Sun, 9 Aug - Wed, 19 Aug

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

Delta flights from Austin to Sydney

Our best Delta deals on Austin to Sydney flight tickets

Delta

10 May

AUS14:05Austin Bergstrom

25h 45m

2 stops

SYD06:50Sydney Kingsford Smith

24 May

SYD09:15Sydney Kingsford Smith

26h 52m

2 stops

AUS21:07Austin Bergstrom

$1,668

Delta

2 June

AUS19:50Austin Bergstrom

20h 00m

1 stop

SYD06:50Sydney Kingsford Smith

10 June

SYD09:15Sydney Kingsford Smith

18h 13m

1 stop

AUS12:28Austin Bergstrom

$1,677

Delta

1 June

AUS16:07Austin Bergstrom

23h 43m

1 stop

SYD06:50Sydney Kingsford Smith

10 June

SYD09:15Sydney Kingsford Smith

26h 12m

2 stops

AUS20:27Austin Bergstrom

$1,682

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

1 Nov

AUS18:55Austin Bergstrom

24h 00m

2 stops

SYD11:55Sydney Kingsford Smith

4 Dec

SYD14:05Sydney Kingsford Smith

19h 33m

1 stop

AUS16:38Austin Bergstrom

$1,620

Qantas Airways

18 Sept

AUS18:53Austin Bergstrom

21h 02m

1 stop

SYD06:55Sydney Kingsford Smith

4 Oct

SYD21:50Sydney Kingsford Smith

42h 12m

2 stops

AUS00:02Austin Bergstrom

$1,681

Qantas Airways

18 Sept

AUS18:53Austin Bergstrom

21h 02m

1 stop

SYD06:55Sydney Kingsford Smith

4 Oct

SYD21:50Sydney Kingsford Smith

42h 12m

2 stops

AUS00:02Austin Bergstrom

$1,704

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 1/11

18:55-11:55

2 stops24h 00m

Sydney Kingsford Smith

Fri 4/12

14:05-16:38

1 stop19h 33m

$1,620

Fastest return journey

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 2/6

19:50-06:50

1 stop20h 00m

Sydney Kingsford Smith

Wed 10/6

09:15-12:28

1 stop18h 13m

$1,677

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 18/9

18:53-06:55

1 stop21h 02m

Sydney Kingsford Smith

Sun 4/10

21:50-00:02

2 stops42h 12m

$1,681

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 1/6

10:38-06:50

2 stops29h 12m

Sydney Kingsford Smith

Wed 10/6

09:15-18:17

2 stops24h 02m

$1,682

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 2/6

14:05-06:50

2 stops25h 45m

Sydney Kingsford Smith

Wed 10/6

09:15-22:12

2 stops27h 57m

$1,684

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 18/9

18:53-06:55

1 stop21h 02m

Sydney Kingsford Smith

Sun 4/10

21:50-00:02

2 stops42h 12m

$1,704

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 18/9

18:53-06:55

1 stop21h 02m

Sydney Kingsford Smith

Sun 4/10

21:50-00:02

2 stops42h 12m

$1,707

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 18/9

18:53-06:55

1 stop21h 02m

Sydney Kingsford Smith

Sun 4/10

21:50-00:02

2 stops42h 12m

$1,717

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 9/6

15:30-06:55

1 stop24h 25m

Sydney Kingsford Smith

Tue 23/6

10:20-22:27

1 stop27h 07m

$1,732

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 9/8

20:01-06:55

1 stop19h 54m

Sydney Kingsford Smith

Wed 19/8

09:30-21:06

2 stops26h 36m

$1,738

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 $1,398. 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 $1,471.

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 $1,811 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 $1,483 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	19h 20m
Direct flights	None

The fastest flight from Austin to Sydney takes 19h 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 19h 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.

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.