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Cheap flights from Austin to Sydney from $513

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Sydney departing on 6/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
6:25 pm - 9:00 am
AUS
-
SYD
21h 35m
1 stop
Qantas Airways Logo
7:05 am - 5:35 pm
SYD
-
AUS
27h 30m
2 stops
$919Qantas Airways
Wed, Jan 28 - Fri, Feb 6
Qantas Airways Logo
6:25 pm - 7:25 am
AUS
-
SYD
20h 00m
1 stop
Qantas Airways Logo
7:05 am - 5:35 pm
SYD
-
AUS
27h 30m
2 stops
$926Qantas Airways
Fri, Jan 30 - Fri, Feb 6
Qantas Airways Logo
6:25 pm - 9:00 am
AUS
-
SYD
21h 35m
1 stop
Qantas Airways Logo
5:50 pm - 11:16 am
SYD
-
AUS
34h 26m
2 stops
$940Qantas Airways
Wed, Feb 11 - Wed, Feb 18
Qantas Airways Logo
6:25 pm - 9:00 am
AUS
-
SYD
21h 35m
1 stop
Qantas Airways Logo
7:15 pm - 11:42 am
SYD
-
AUS
33h 27m
2 stops
$941Qantas Airways
Tue, Feb 3 - Mon, Feb 9
Qantas Airways Logo
2:19 pm - 8:50 pm
AUS
-
SYD
37h 31m
2 stops
Qantas Airways Logo
11:20 am - 11:59 pm
SYD
-
AUS
28h 39m
1 stop
$962Qantas Airways
Thu, Feb 26 - Sun, Mar 15
Qantas Airways Logo
6:25 pm - 9:00 am
AUS
-
SYD
21h 35m
1 stop
Qantas Airways Logo
5:50 pm - 5:35 pm
SYD
-
AUS
40h 45m
2 stops
$1,020Qantas Airways
Sat, Jan 31 - Tue, Feb 10
Qantas Airways Logo
6:25 pm - 9:00 am
AUS
-
SYD
21h 35m
1 stop
Qantas Airways Logo
7:15 pm - 5:35 pm
SYD
-
AUS
39h 20m
2 stops
$1,022Qantas Airways
Sat, Jan 31 - Tue, Feb 10
Qantas Airways Logo
6:25 pm - 9:00 am
AUS
-
SYD
21h 35m
1 stop
Qantas Airways Logo
7:15 pm - 5:35 pm
SYD
-
AUS
39h 20m
2 stops
$1,025Qantas Airways
Wed, Jan 28 - Tue, Feb 10
Air Canada Logo
9:00 am - 7:20 am
AUS
-
SYD
31h 20m
1 stop
Air Canada Logo
6:30 am - 8:02 pm
SYD
-
AUS
28h 32m
2 stops
$1,099Air Canada
Mon, Jun 22 - Wed, Jul 1
Multiple Airlines Logo
2:22 pm - 9:35 am
AUS
-
SYD
26h 13m
2 stops
Multiple Airlines Logo
11:20 am - 12:19 pm
SYD
-
AUS
41h 59m
2 stops
$1,101Multiple Airlines
Wed, Feb 11 - Wed, Feb 18

Qantas Airways flights from Austin to Sydney

Our best Qantas Airways deals on Austin to Sydney flight tickets
Qantas Airways
Jan 28
AUS6:25 pmAustin Bergstrom
21h 35m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 6
SYD7:05 amSydney Kingsford Smith
27h 30m
2 stops
AUS5:35 pmAustin Bergstrom
$919
Qantas Airways
Jan 30
AUS6:25 pmAustin Bergstrom
20h 00m
1 stop
SYD7:25 amSydney Kingsford Smith
Feb 6
SYD7:05 amSydney Kingsford Smith
27h 30m
2 stops
AUS5:35 pmAustin Bergstrom
$926
Qantas Airways
Feb 11
AUS6:25 pmAustin Bergstrom
21h 35m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 18
SYD5:50 pmSydney Kingsford Smith
34h 26m
2 stops
AUS11:16 amAustin Bergstrom
$940

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
Jun 22
AUS9:00 amAustin Bergstrom
31h 20m
1 stop
SYD7:20 amSydney Kingsford Smith
Jul 1
SYD6:30 amSydney Kingsford Smith
28h 32m
2 stops
AUS8:02 pmAustin Bergstrom
$1,099
Air Canada
Mar 11
AUS2:18 pmAustin Bergstrom
26h 17m
2 stops
SYD8:35 amSydney Kingsford Smith
Mar 17
SYD10:20 amSydney Kingsford Smith
24h 26m
2 stops
AUS6:46 pmAustin Bergstrom
$1,103
Air Canada
Mar 11
AUS1:05 pmAustin Bergstrom
27h 30m
2 stops
SYD8:35 amSydney Kingsford Smith
Mar 17
SYD10:20 amSydney Kingsford Smith
41h 59m
2 stops
AUS12:19 pmAustin Bergstrom
$1,105

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 13, 2026.
Use the filters below to find and compare flights from Austin to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 1/28

6:25 pm-9:00 am

1 stop21h 35m

Sydney Kingsford Smith

Fri 2/6

7:05 am-5:35 pm

2 stops27h 30m

$919

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Fri 1/30

6:25 pm-7:25 am

1 stop20h 00m

Sydney Kingsford Smith

Fri 2/6

7:05 am-5:35 pm

2 stops27h 30m

$926

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 2/11

6:25 pm-9:00 am

1 stop21h 35m

Sydney Kingsford Smith

Wed 2/18

5:50 pm-11:16 am

2 stops34h 26m

$940

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Tue 2/3

6:25 pm-9:00 am

1 stop21h 35m

Sydney Kingsford Smith

Mon 2/9

7:15 pm-11:42 am

2 stops33h 27m

$941

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Thu 2/26

2:19 pm-8:50 pm

2 stops37h 31m

Sydney Kingsford Smith

Sun 3/15

11:20 am-11:59 pm

1 stop28h 39m

$962

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 1/31

6:25 pm-9:00 am

1 stop21h 35m

Sydney Kingsford Smith

Tue 2/10

5:50 pm-5:35 pm

2 stops40h 45m

$1,020

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Sat 1/31

6:25 pm-9:00 am

1 stop21h 35m

Sydney Kingsford Smith

Tue 2/10

7:15 pm-5:35 pm

2 stops39h 20m

$1,022

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 1/28

6:25 pm-9:00 am

1 stop21h 35m

Sydney Kingsford Smith

Tue 2/10

7:15 pm-5:35 pm

2 stops39h 20m

$1,025

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Mon 6/22

9:00 am-7:20 am

1 stop31h 20m

Sydney Kingsford Smith

Wed 7/1

6:30 am-8:02 pm

2 stops28h 32m

$1,099

AustinSydney

AUS - SYD

AUSSYD

Austin Bergstrom

Wed 2/11

2:22 pm-9:35 am

2 stops26h 13m

Sydney Kingsford Smith

Wed 2/18

11:20 am-12:19 pm

2 stops41h 59m

$1,101

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Austin to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $980. If you are unable to visit Sydney during the month of April, then departing from Austin during the month May is also very affordable. Most momondo users find prices during this month for around $1,002.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Austin to Sydney is on a Saturday when prices can be found for as low as $290. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $1,047.

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 afternoon. momondo users have found flights departing from Austin to Sydney in the afternoon for as low as $207. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly at noon, with an average ticket price of $1,244. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,154 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Austin for as low as $1,061 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 29% 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 round-trip 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

21h 35m

Direct flights

None
The fastest flight from Austin to Sydney takes 21h 35m
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?

    Austin Bergstrom and Sydney Kingsford Smith are 8463.9 mi apart from one another. Typically, this will take 21h 35m by plane in normal conditions.

  • 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 are updated daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Sydney Kingsford Smith Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Sydney Kingsford Smith Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Austin to Sydney?

Best airlines flying from Austin to Sydney

Compare and see reviews for airlines that fly from Austin to Sydney with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $469Free CancellationRating
7.9
8,039 reviews
Search Delta flights
Fiji AirwaysPriceFrom $717Free CancellationRating
8.0
216 reviews
Search Fiji Airways flights
American AirlinesPriceFrom $876Free CancellationRating
7.2
11,116 reviews
Search American Airlines flights
United AirlinesPriceFrom $907Free CancellationRating
7.4
9,150 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $948Free CancellationRating
7.5
970 reviews
Search Qantas Airways flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Coogee
Manly
Lithgow
Cronulla
Leura
Penrith
Charlestown
Terrigal
Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Sydney. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Austin to Sydney with flexible booking policies on momondo?

All flight searches from Austin to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Austin to Sydney?

momondo provides multiple filters to help you find the best flight to Sydney from Austin. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Austin to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Austin to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

An easier way to manage your Sydney trip

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