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Cheap flights from Austin to Sydney from $413

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 8/12. 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

Qantas Airways Logo
8:11 pm - 6:55 amAUS-SYD
19h 44m1 stop
Qantas Airways Logo
9:10 am - 7:19 pmSYD-AUS
25h 09m1 stop
$1,030Qantas Airways
Find Deal
Sun, Aug 24 - Wed, Sep 3
ANA Logo
12:39 pm - 7:15 pmAUS-SYD
39h 36m2 stops
ANA Logo
8:55 pm - 1:08 pmSYD-AUS
31h 13m2 stops
$1,034ANA
Find Deal
Sun, Aug 24 - Wed, Sep 3
Air Canada Logo
10:00 am - 7:20 amAUS-SYD
54h 20m2 stops
Air Canada Logo
9:20 am - 8:11 pmSYD-AUS
25h 51m1 stop
$1,059Air Canada
Find Deal
Wed, Sep 17 - Wed, Sep 24
Air Canada Logo
10:00 am - 7:20 amAUS-SYD
54h 20m2 stops
Air Canada Logo
9:20 am - 10:35 amSYD-AUS
40h 15m2 stops
$1,066Air Canada
Find Deal
Wed, Sep 17 - Wed, Sep 24
Qantas Airways Logo
7:28 pm - 6:55 amAUS-SYD
20h 27m1 stop
Qantas Airways Logo
12:10 pm - 8:15 pmSYD-AUS
23h 05m1 stop
$1,075Qantas Airways
Find Deal
Tue, Aug 5 - Mon, Aug 18
American Airlines Logo
6:00 pm - 7:05 amAUS-SYD
22h 05m2 stops
American Airlines Logo
9:10 am - 6:17 pmSYD-AUS
24h 07m1 stop
$1,076American Airlines
Find Deal
Tue, Aug 5 - Mon, Aug 18
American Airlines Logo
4:40 pm - 7:05 amAUS-SYD
23h 25m2 stops
American Airlines Logo
12:10 pm - 8:22 pmSYD-AUS
23h 12m1 stop
$1,089American Airlines
Find Deal
Sun, Aug 24 - Wed, Sep 3
United Airlines Logo
4:20 pm - 7:00 amAUS-SYD
23h 40m2 stops
United Airlines Logo
9:30 am - 5:23 pmSYD-AUS
22h 53m2 stops
$1,093United Airlines
Find Deal
Thu, Aug 7 - Thu, Aug 21
United Airlines Logo
3:26 pm - 7:00 amAUS-SYD
24h 34m1 stop
United Airlines Logo
10:20 am - 8:50 pmSYD-AUS
25h 30m2 stops
$1,229United Airlines
Find Deal
Sat, Aug 23 - Wed, Aug 27
Delta Logo
1:59 pm - 6:35 amAUS-SYD
25h 36m1 stop
Delta Logo
9:25 am - 9:09 pmSYD-AUS
26h 44m2 stops
$1,234Delta
Find Deal
Fri, Aug 22 - Fri, Aug 29

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
Sep 17
AUS10:00 amAustin Bergstrom
54h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
Sep 24
SYD9:20 amSydney Kingsford Smith
25h 51m
1 stop
AUS8:11 pmAustin Bergstrom
Air Canada
Sep 17
AUS10:00 amAustin Bergstrom
54h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
Sep 24
SYD9:20 amSydney Kingsford Smith
40h 15m
2 stops
AUS10:35 amAustin Bergstrom
Air Canada
Sep 19
AUS7:59 pmAustin Bergstrom
44h 21m
2 stops
SYD7:20 amSydney Kingsford Smith
Sep 28
SYD9:20 amSydney Kingsford Smith
41h 09m
2 stops
AUS11:29 amAustin Bergstrom

United Airlines flights from Austin to Sydney

Our best United Airlines deals on Austin to Sydney flight tickets
United Airlines
Aug 7
AUS4:20 pmAustin Bergstrom
23h 40m
2 stops
SYD7:00 amSydney Kingsford Smith
Aug 21
SYD9:30 amSydney Kingsford Smith
22h 53m
2 stops
AUS5:23 pmAustin Bergstrom
United Airlines
Aug 23
AUS3:26 pmAustin Bergstrom
24h 34m
1 stop
SYD7:00 amSydney Kingsford Smith
Aug 27
SYD10:20 amSydney Kingsford Smith
25h 30m
2 stops
AUS8:50 pmAustin Bergstrom
United Airlines
Aug 19
AUS6:00 pmAustin Bergstrom
21h 55m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 27
SYD10:20 amSydney Kingsford Smith
23h 17m
1 stop
AUS6:37 pmAustin Bergstrom

See travel insights to Sydney from

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 typical price of a round-trip flight between Austin and Sydney?

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 $1,033. 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 $1,078.

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 $1,330 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 $1,139 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 15% on your flight if you consider stops on a Austin to Sydney flight.

How have Austin to Sydney flight prices changed over time?

As of July 2025, prices for Austin to Sydney flights are approximately 42% cheaper when compared to flights at the same time last year.

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

Best Price Found

$413

Fastest flight time

19h 10m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Austin in the past 72 hours is $413. The best round-trip flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,030.
The fastest flight from Austin to Sydney takes 19h 10m
There are no direct flights from Austin to Sydney. Popular non-direct route for this connection is Austin Bergstrom Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • 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 19h 12m 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
Fiji AirwaysPriceFrom $717Free CancellationRating
8.0
202 reviews
Search Fiji Airways flights
DeltaPriceFrom $828Free CancellationRating
8.0
7,982 reviews
Search Delta flights
American AirlinesPriceFrom $891Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Air CanadaPriceFrom $900Free CancellationRating
7.1
9,681 reviews
Search Air Canada flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
Qantas AirwaysPriceFrom $1,161Free CancellationRating
7.5
868 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
Katoomba
Bondi Beach
Wollongong
Randwick
Cronulla
Manly
Coogee
Penrith
Charlestown
Lithgow
Swansea
Leura
Terrigal

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.


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Tue 7/8
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