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Cheap flights from Austin to Sydney from $758

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 6/23. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from Austin to Sydney.
Fiji Airways Logo
8:16 pm - 11:45 amAUS-SYD
24h 29m2 stops
Fiji Airways Logo
1:45 pm - 6:59 pmSYD-AUS
20h 14m2 stops
$1,113Fiji Airways
Find Deal
Tue, Aug 5 - Sat, Aug 16
Air New Zealand Logo
7:45 pm - 10:35 amAUS-SYD
23h 50m2 stops
Air New Zealand Logo
9:55 am - 7:36 pmSYD-AUS
24h 41m2 stops
$1,184Air New Zealand
Find Deal
Sun, Aug 24 - Wed, Sep 3
Delta Logo
4:33 pm - 6:35 amAUS-SYD
23h 02m1 stop
Delta Logo
9:25 am - 9:21 pmSYD-AUS
26h 56m1 stop
$1,389Delta
Find Deal
Sun, Jun 1 - Mon, Jun 30
Delta Logo
8:00 am - 6:35 amAUS-SYD
31h 35m2 stops
Delta Logo
9:25 am - 10:32 pmSYD-AUS
28h 07m2 stops
$1,393Delta
Find Deal
Sun, Jun 1 - Mon, Jun 30
American Airlines Logo
7:49 pm - 7:05 amAUS-SYD
20h 16m1 stop
American Airlines Logo
9:10 am - 2:04 pmSYD-AUS
19h 54m1 stop
$1,442American Airlines
Find Deal
Sun, Aug 24 - Wed, Sep 3
American Airlines Logo
3:02 pm - 8:05 amAUS-SYD
25h 03m1 stop
American Airlines Logo
10:10 am - 2:17 pmSYD-AUS
20h 07m1 stop
$1,542American Airlines
Find Deal
Sat, Oct 18 - Sat, Oct 25
United Airlines Logo
4:00 pm - 7:00 amAUS-SYD
24h 00m1 stop
United Airlines Logo
10:20 am - 12:15 amSYD-AUS
28h 55m1 stop
$1,564United Airlines
Find Deal
Tue, Jun 17 - Fri, Jun 20
United Airlines Logo
10:09 am - 7:00 amAUS-SYD
29h 51m2 stops
United Airlines Logo
10:20 am - 2:21 pmSYD-AUS
19h 01m1 stop
$1,568United Airlines
Find Deal
Tue, Jun 17 - Fri, Jun 20
Qantas Airways Logo
4:41 pm - 6:55 amAUS-SYD
23h 14m1 stop
Qantas Airways Logo
5:45 pm - 11:38 pmSYD-AUS
20h 53m1 stop
$1,592Qantas Airways
Find Deal
Sun, Jun 1 - Mon, Jun 9
Qantas Airways Logo
4:53 pm - 7:30 amAUS-SYD
23h 37m1 stop
Qantas Airways Logo
5:45 pm - 11:38 pmSYD-AUS
20h 53m1 stop
$1,598Qantas Airways
Find Deal
Mon, Jun 2 - Mon, Jun 9

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
Oct 13
AUS8:30 amAustin Bergstrom
31h 50m
1 stop
SYD8:20 amSydney Kingsford Smith
Oct 20
SYD10:20 amSydney Kingsford Smith
35h 12m
2 stops
AUS5:32 amAustin Bergstrom
Air Canada
Oct 13
AUS8:30 amAustin Bergstrom
31h 50m
1 stop
SYD8:20 amSydney Kingsford Smith
Oct 20
SYD10:20 amSydney Kingsford Smith
25h 31m
1 stop
AUS7:51 pmAustin Bergstrom
Air Canada
Oct 13
AUS8:30 amAustin Bergstrom
31h 50m
1 stop
SYD8:20 amSydney Kingsford Smith
Oct 20
SYD10:20 amSydney Kingsford Smith
49h 35m
3 stops
AUS7:55 pmAustin Bergstrom

Alaska Airlines flights from Austin to Sydney

Our best Alaska Airlines deals on Austin to Sydney flight tickets
Alaska Airlines
May 29
AUS6:00 amAustin Bergstrom
22h 45m
2 stops
SYD7:45 pmSydney Kingsford Smith
Jun 6
SYD9:40 pmSydney Kingsford Smith
41h 50m
2 stops
AUS12:30 amAustin Bergstrom
Alaska Airlines
May 9
AUS6:03 pmAustin Bergstrom
34h 42m
2 stops
SYD7:45 pmSydney Kingsford Smith
May 16
SYD9:40 pmSydney Kingsford Smith
35h 19m
1 stop
AUS5:59 pmAustin Bergstrom
Alaska Airlines
Jun 4
AUS6:00 amAustin Bergstrom
22h 45m
2 stops
SYD7:45 pmSydney Kingsford Smith
Jun 6
SYD9:40 pmSydney Kingsford Smith
41h 50m
2 stops
AUS12:30 amAustin 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 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 $983. 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 $1,202.

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 $1,406 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

$758

Fastest flight time

19h 40m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Austin in the past 72 hours is $758. The best round-trip flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,113.
The fastest flight from Austin to Sydney takes 19h 40m
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 40m 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
Fiji AirwaysPriceFrom $673Free CancellationRating
8.1
188 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $911Free CancellationRating
7.4
8,685 reviews
Search United Airlines flights
DeltaPriceFrom $927Free CancellationRating
8.0
7,920 reviews
Search Delta flights
Air CanadaPriceFrom $1,047Free CancellationRating
7.0
9,198 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $1,278Free CancellationRating
7.5
827 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,332Free CancellationRating
8.0
469 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
Manly
Penrith
Charlestown
Coogee
Lithgow
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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