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

Qantas Airways 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.

$173 Cheap Flights from Austin to Sydney in 2026

1 adult

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Find the cheapest flights from Austin to Sydney

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13:05 - 09:35

AUS

SYD

51h 30m2 stops

11:20 - 12:19

SYD

AUS

40h 59m2 stops

$1,247Air Canada

Sat, 21 Feb - Mon, 9 Mar

16:32 - 07:20

AUS

SYD

23h 48m2 stops

09:20 - 20:02

SYD

AUS

25h 42m1 stop

$1,278Multiple Airlines

Wed, 6 May - Wed, 20 May

14:15 - 07:20

AUS

SYD

26h 05m2 stops

09:20 - 10:53

SYD

AUS

40h 33m2 stops

$1,291Multiple Airlines

Wed, 6 May - Wed, 20 May

11:30 - 09:35

AUS

SYD

53h 05m3 stops

11:20 - 12:19

SYD

AUS

40h 59m2 stops

$1,302Air Canada

Mon, 2 Mar - Mon, 9 Mar

13:05 - 09:35

AUS

SYD

51h 30m2 stops

11:20 - 12:19

SYD

AUS

40h 59m2 stops

$1,341Air Canada

Sat, 21 Feb - Mon, 9 Mar

16:51 - 09:35

AUS

SYD

47h 44m2 stops

11:20 - 21:25

SYD

AUS

27h 05m2 stops

$1,350Air Canada

Sat, 31 Jan - Tue, 10 Feb

16:51 - 09:35

AUS

SYD

47h 44m2 stops

11:20 - 21:25

SYD

AUS

27h 05m2 stops

$1,351Air Canada

Sat, 31 Jan - Tue, 10 Feb

09:55 - 07:20

AUS

SYD

30h 25m2 stops

09:20 - 16:54

SYD

AUS

22h 34m2 stops

$1,363Multiple Airlines

Fri, 10 Apr - Sun, 19 Apr

09:55 - 07:20

AUS

SYD

30h 25m2 stops

06:00 - 20:02

SYD

AUS

29h 02m2 stops

$1,365Air Canada

Fri, 1 May - Sun, 10 May

08:50 - 07:20

AUS

SYD

31h 30m1 stop

20:10 - 20:02

SYD

AUS

38h 52m2 stops

$1,368Multiple Airlines

Thu, 14 May - Sat, 30 May

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets

Air Canada

21 Feb

AUS13:05Austin Bergstrom

51h 30m

2 stops

SYD09:35Sydney Kingsford Smith

9 Mar

SYD11:20Sydney Kingsford Smith

40h 59m

2 stops

AUS12:19Austin Bergstrom

$1,247

Air Canada

6 May

AUS11:55Austin Bergstrom

28h 25m

1 stop

SYD07:20Sydney Kingsford Smith

20 May

SYD09:20Sydney Kingsford Smith

25h 42m

1 stop

AUS20:02Austin Bergstrom

$1,291

Air Canada

2 Mar

AUS11:30Austin Bergstrom

53h 05m

3 stops

SYD09:35Sydney Kingsford Smith

9 Mar

SYD11:20Sydney Kingsford Smith

40h 59m

2 stops

AUS12:19Austin Bergstrom

$1,302

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

17 Apr

AUS19:32Austin Bergstrom

20h 58m

1 stop

SYD07:30Sydney Kingsford Smith

2 May

SYD17:50Sydney Kingsford Smith

20h 09m

1 stop

AUS22:59Austin Bergstrom

$1,420

Qantas Airways

3 Feb

AUS18:25Austin Bergstrom

21h 35m

1 stop

SYD09:00Sydney Kingsford Smith

9 Feb

SYD19:15Sydney Kingsford Smith

33h 27m

2 stops

AUS11:42Austin Bergstrom

$1,438

Qantas Airways

31 Jan

AUS19:34Austin Bergstrom

20h 26m

1 stop

SYD09:00Sydney Kingsford Smith

10 Feb

SYD19:15Sydney Kingsford Smith

33h 27m

2 stops

AUS11:42Austin Bergstrom

$1,490

Fly from

Fly to

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 21/2

13:05-09:35

2 stops51h 30m

Sydney Kingsford Smith

Mon 9/3

11:20-12:19

2 stops40h 59m

$1,247

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 6/5

16:32-07:20

2 stops23h 48m

Sydney Kingsford Smith

Wed 20/5

09:20-20:02

1 stop25h 42m

$1,278

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 6/5

14:15-07:20

2 stops26h 05m

Sydney Kingsford Smith

Wed 20/5

09:20-10:53

2 stops40h 33m

$1,291

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 2/3

11:30-09:35

3 stops53h 05m

Sydney Kingsford Smith

Mon 9/3

11:20-12:19

2 stops40h 59m

$1,302

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 21/2

13:05-09:35

2 stops51h 30m

Sydney Kingsford Smith

Mon 9/3

11:20-12:19

2 stops40h 59m

$1,341

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 31/1

16:51-09:35

2 stops47h 44m

Sydney Kingsford Smith

Tue 10/2

11:20-21:25

2 stops27h 05m

$1,350

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 31/1

16:51-09:35

2 stops47h 44m

Sydney Kingsford Smith

Tue 10/2

11:20-21:25

2 stops27h 05m

$1,351

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 10/4

09:55-07:20

2 stops30h 25m

Sydney Kingsford Smith

Sun 19/4

09:20-16:54

2 stops22h 34m

$1,363

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 1/5

09:55-07:20

2 stops30h 25m

Sydney Kingsford Smith

Sun 10/5

06:00-20:02

2 stops29h 02m

$1,365

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 14/5

08:50-07:20

1 stop31h 30m

Sydney Kingsford Smith

Sat 30/5

20:10-20:02

2 stops38h 52m

$1,368

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 April is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,465. If you aren’t able to travel to Sydney during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,498.

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 $340. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $602.

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 $303. 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 $566 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 $1,725 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 $1,586 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 47% 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 50m
Direct flights	None

The fastest flight from Austin to Sydney takes 19h 50m

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 19h 50m, 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

Bondi Beach

Coogee

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.