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

Fiji Airways, United Airlines, and Delta 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.

$775 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 $2,115 to $1,599. The lowest price recently found on this route was $1,601.

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.

13:44 - 08:05

AUS

SYD

26h 21m

1 stop

17:50 - 12:15

SYD

AUS

34h 25m

2 stops

$1,601Qantas Airways

Tue, 6 Oct - Sat, 31 Oct

14:10 - 07:00

AUS

SYD

25h 50m

1 stop

10:20 - 14:34

SYD

AUS

19h 14m

1 stop

$1,742United Airlines

Wed, 20 May - Wed, 27 May

16:45 - 07:00

AUS

SYD

23h 15m

2 stops

10:20 - 17:27

SYD

AUS

22h 07m

2 stops

$1,748United Airlines

Wed, 20 May - Wed, 27 May

13:21 - 06:50

AUS

SYD

26h 29m

1 stop

09:15 - 22:35

SYD

AUS

28h 20m

2 stops

$1,749Delta

Tue, 26 May - Wed, 3 Jun

06:30 - 11:50

AUS

SYD

38h 20m

3 stops

13:15 - 19:30

SYD

AUS

45h 15m

3 stops

$1,751Multiple Airlines

Fri, 26 Jun - Sun, 12 Jul

16:10 - 07:00

AUS

SYD

47h 50m

2 stops

10:20 - 16:58

SYD

AUS

21h 38m

2 stops

$1,769United Airlines

Sat, 6 Jun - Wed, 15 Jul

16:15 - 06:50

AUS

SYD

23h 35m

1 stop

09:15 - 21:02

SYD

AUS

26h 47m

1 stop

$1,788Delta

Mon, 8 Jun - Mon, 7 Sep

12:09 - 06:50

AUS

SYD

27h 41m

2 stops

09:15 - 17:32

SYD

AUS

23h 17m

2 stops

$1,795Delta

Mon, 8 Jun - Mon, 7 Sep

16:10 - 07:00

AUS

SYD

23h 50m

2 stops

10:20 - 14:39

SYD

AUS

19h 19m

1 stop

$1,809United Airlines

Wed, 3 Jun - Sat, 1 Aug

18:04 - 07:00

AUS

SYD

21h 56m

2 stops

10:20 - 18:15

SYD

AUS

22h 55m

1 stop

$1,815United Airlines

Sun, 2 Aug - Thu, 20 Aug

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Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets

Qantas Airways

6 Oct

AUS13:44Austin Bergstrom

26h 21m

1 stop

SYD08:05Sydney Kingsford Smith

31 Oct

SYD17:50Sydney Kingsford Smith

34h 25m

2 stops

AUS12:15Austin Bergstrom

$1,601

Qantas Airways

1 June

AUS15:08Austin Bergstrom

24h 57m

1 stop

SYD07:05Sydney Kingsford Smith

7 June

SYD09:10Sydney Kingsford Smith

20h 33m

1 stop

AUS14:43Austin Bergstrom

$1,899

Qantas Airways

18 Aug

AUS15:01Austin Bergstrom

25h 04m

1 stop

SYD07:05Sydney Kingsford Smith

14 Sept

SYD12:00Sydney Kingsford Smith

22h 16m

1 stop

AUS19:16Austin Bergstrom

$1,900

American Airlines flights from Austin to Sydney

Our best American Airlines deals on Austin to Sydney flight tickets

American Airlines

16 June

AUS17:42Austin Bergstrom

22h 23m

2 stops

SYD07:05Sydney Kingsford Smith

23 June

SYD09:10Sydney Kingsford Smith

29h 41m

1 stop

AUS23:51Austin Bergstrom

$1,967

American Airlines

26 Aug

AUS15:01Austin Bergstrom

25h 29m

1 stop

SYD07:30Sydney Kingsford Smith

9 Sept

SYD09:10Sydney Kingsford Smith

25h 12m

1 stop

AUS19:22Austin Bergstrom

$1,979

American Airlines

9 Sept

AUS17:33Austin Bergstrom

22h 32m

2 stops

SYD07:05Sydney Kingsford Smith

30 Sept

SYD09:10Sydney Kingsford Smith

22h 33m

2 stops

AUS16:43Austin Bergstrom

$1,986

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 6/10

13:44-08:05

1 stop26h 21m

Sydney Kingsford Smith

Sat 31/10

17:50-12:15

2 stops34h 25m

$1,601

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 20/5

14:10-07:00

1 stop25h 50m

Sydney Kingsford Smith

Wed 27/5

10:20-14:34

1 stop19h 14m

$1,742

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 20/5

16:45-07:00

2 stops23h 15m

Sydney Kingsford Smith

Wed 27/5

10:20-17:27

2 stops22h 07m

$1,748

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 26/5

13:21-06:50

1 stop26h 29m

Sydney Kingsford Smith

Wed 3/6

09:15-22:35

2 stops28h 20m

$1,749

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 26/6

06:30-11:50

3 stops38h 20m

Sydney Kingsford Smith

Sun 12/7

13:15-19:30

3 stops45h 15m

$1,751

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 6/6

16:10-07:00

2 stops47h 50m

Sydney Kingsford Smith

Wed 15/7

10:20-16:58

2 stops21h 38m

$1,769

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 8/6

16:15-06:50

1 stop23h 35m

Sydney Kingsford Smith

Mon 7/9

09:15-21:02

1 stop26h 47m

$1,788

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 8/6

12:09-06:50

2 stops27h 41m

Sydney Kingsford Smith

Mon 7/9

09:15-17:32

2 stops23h 17m

$1,795

Fastest return journey

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 3/6

16:10-07:00

2 stops23h 50m

Sydney Kingsford Smith

Sat 1/8

10:20-14:39

1 stop19h 19m

$1,809

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sun 2/8

18:04-07:00

2 stops21h 56m

Sydney Kingsford Smith

Thu 20/8

10:20-18:15

1 stop22h 55m

$1,815

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 $1,404. 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 $1,479.

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 $1,809 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 $1,492 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	20h 15m
Direct flights	None

The fastest flight from Austin to Sydney takes 20h 15m

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 15m, 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.