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Cheap flights from Austin to Sydney from $536

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 5/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Austin to Sydney.
Fiji Airways Logo
8:15 pm - 10:10 pmAUS-SYD
34h 55m2 stops
Fiji Airways Logo
1:15 pm - 7:04 pmSYD-AUS
20h 49m2 stops
$1,078Fiji Airways
Find Deal
Thu, May 15 - Thu, May 22
Fiji Airways Logo
8:29 pm - 12:15 pmAUS-SYD
24h 46m2 stops
Fiji Airways Logo
1:15 pm - 7:04 pmSYD-AUS
20h 49m2 stops
$1,094Fiji Airways
Find Deal
Thu, May 1 - Tue, May 13
American Airlines Logo
2:00 pm - 7:05 amAUS-SYD
26h 05m1 stop
American Airlines Logo
9:10 am - 2:04 pmSYD-AUS
19h 54m1 stop
$1,441American Airlines
Find Deal
Sun, Aug 24 - Wed, Sep 3
American Airlines Logo
6:45 pm - 7:05 amAUS-SYD
21h 20m2 stops
American Airlines Logo
9:10 am - 3:55 pmSYD-AUS
21h 45m2 stops
$1,445American Airlines
Find Deal
Sun, Jun 15 - Tue, Jun 24
United Airlines Logo
3:20 pm - 6:55 amAUS-SYD
24h 35m1 stop
United Airlines Logo
10:20 am - 10:41 pmSYD-AUS
27h 21m1 stop
$1,456United Airlines
Find Deal
Wed, Jul 2 - Tue, Jul 22
United Airlines Logo
4:51 pm - 6:55 amAUS-SYD
23h 04m2 stops
United Airlines Logo
9:30 am - 2:51 pmSYD-AUS
20h 21m1 stop
$1,460United Airlines
Find Deal
Wed, May 28 - Tue, Jun 10
Delta Logo
7:20 pm - 6:35 amAUS-SYD
20h 15m1 stop
Delta Logo
9:25 am - 9:21 pmSYD-AUS
26h 56m1 stop
$1,465Delta
Find Deal
Wed, Jun 18 - Sun, Jul 6
Delta Logo
7:20 pm - 6:35 amAUS-SYD
20h 15m1 stop
Delta Logo
9:25 am - 9:03 pmSYD-AUS
26h 38m2 stops
$1,470Delta
Find Deal
Wed, Jun 18 - Sun, Jul 6
Qantas Airways Logo
8:11 pm - 6:55 amAUS-SYD
19h 44m1 stop
Qantas Airways Logo
5:45 pm - 11:44 pmSYD-AUS
20h 59m1 stop
$1,497Qantas Airways
Find Deal
Thu, Jul 3 - Sun, Jul 20
Qantas Airways Logo
8:16 pm - 6:55 amAUS-SYD
19h 39m1 stop
Qantas Airways Logo
5:45 pm - 11:59 pmSYD-AUS
21h 14m1 stop
$1,544Qantas Airways
Find Deal
Sat, Aug 2 - Sat, Aug 9

United Airlines flights from Austin to Sydney

Our best United Airlines deals on Austin to Sydney flight tickets
United Airlines
Jul 2
AUS3:20 pmAustin Bergstrom
24h 35m
1 stop
SYD6:55 amSydney Kingsford Smith
Jul 22
SYD10:20 amSydney Kingsford Smith
27h 21m
1 stop
AUS10:41 pmAustin Bergstrom
United Airlines
May 28
AUS4:51 pmAustin Bergstrom
23h 04m
2 stops
SYD6:55 amSydney Kingsford Smith
Jun 10
SYD9:30 amSydney Kingsford Smith
20h 21m
1 stop
AUS2:51 pmAustin Bergstrom
United Airlines
Jul 2
AUS5:58 pmAustin Bergstrom
21h 57m
2 stops
SYD6:55 amSydney Kingsford Smith
Jul 20
SYD10:20 amSydney Kingsford Smith
21h 45m
2 stops
AUS5:05 pmAustin Bergstrom

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
May 18
AUS10:00 amAustin Bergstrom
30h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
May 27
SYD9:20 amSydney Kingsford Smith
40h 20m
2 stops
AUS10:40 amAustin Bergstrom
Air Canada
May 16
AUS10:00 amAustin Bergstrom
30h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
Jun 18
SYD9:20 amSydney Kingsford Smith
40h 09m
2 stops
AUS10:29 amAustin Bergstrom
Air Canada
Sep 19
AUS8:30 amAustin Bergstrom
31h 50m
1 stop
SYD7:20 amSydney Kingsford Smith
Sep 28
SYD9:20 amSydney Kingsford Smith
25h 11m
1 stop
AUS7:31 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, September 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 $987. If you are unable to visit Sydney during the month of September, then departing from Austin during the month May is also very affordable. Most momondo users find prices during this month for around $1,243.

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 18 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,419 when searching 18 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 $1,049 on momondo.

How have Austin to Sydney flight prices changed over time?

As of April 2025, prices for Austin to Sydney flights are approximately 23% 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

$536

Fastest flight time

19h 39m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Austin in the past 72 hours is $536. The best round-trip flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,078.
The fastest flight from Austin to Sydney takes 19h 39m
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 39m 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
American AirlinesPriceFrom $313Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $910Free CancellationRating
7.4
8,616 reviews
Search United Airlines flights
DeltaPriceFrom $927Free CancellationRating
8.0
7,897 reviews
Search Delta flights
Air CanadaPriceFrom $1,047Free CancellationRating
7.0
9,029 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,278Free CancellationRating
7.5
815 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,332Free CancellationRating
7.9
458 reviews
Search Air New Zealand flights

Traveling to a place near Sydney?

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