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Cheap flights from Austin to Sydney from $681

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 11/8. 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

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Cheap return flights

Air Canada Logo
10:00 - 07:20AUS-SYD
54h 20m2 stops
Air Canada Logo
09:20 - 20:11SYD-AUS
25h 51m1 stop
$1,627Air Canada
Find Deal
Wed, 17 Sep - Wed, 24 Sep
Qantas Airways Logo
15:36 - 06:55AUS-SYD
24h 19m1 stop
Qantas Airways Logo
12:10 - 15:13SYD-AUS
18h 03m1 stop
$1,637Qantas Airways
Find Deal
Sun, 24 Aug - Wed, 3 Sep
Qantas Airways Logo
19:23 - 06:55AUS-SYD
20h 32m1 stop
Qantas Airways Logo
12:10 - 20:22SYD-AUS
23h 12m1 stop
$1,638Qantas Airways
Find Deal
Sun, 24 Aug - Wed, 3 Sep
 Logo
18:53 - 06:55AUS-SYD
21h 02m1 stop
 Logo
16:20 - 22:59SYD-AUS
21h 39m2 stops
$1,643
Find Deal
Tue, 19 Aug - Wed, 27 Aug
 Logo
18:53 - 06:55AUS-SYD
21h 02m1 stop
 Logo
16:20 - 22:59SYD-AUS
21h 39m2 stops
$1,652
Find Deal
Fri, 22 Aug - Fri, 29 Aug
American Airlines Logo
16:40 - 07:05AUS-SYD
23h 25m2 stops
American Airlines Logo
09:10 - 17:22SYD-AUS
23h 12m2 stops
$1,674American Airlines
Find Deal
Sun, 24 Aug - Wed, 3 Sep
American Airlines Logo
16:40 - 07:30AUS-SYD
23h 50m2 stops
American Airlines Logo
09:10 - 19:19SYD-AUS
25h 09m1 stop
$1,675American Airlines
Find Deal
Mon, 25 Aug - Tue, 9 Sep
United Airlines Logo
15:26 - 07:00AUS-SYD
24h 34m1 stop
United Airlines Logo
10:20 - 16:51SYD-AUS
21h 31m1 stop
$1,694United Airlines
Find Deal
Sat, 23 Aug - Wed, 10 Sep
United Airlines Logo
16:30 - 07:00AUS-SYD
23h 30m2 stops
United Airlines Logo
09:30 - 19:02SYD-AUS
24h 32m2 stops
$1,700United Airlines
Find Deal
Sat, 23 Aug - Wed, 10 Sep
Delta Logo
18:45 - 06:35AUS-SYD
44h 50m2 stops
Delta Logo
09:25 - 15:44SYD-AUS
21h 19m1 stop
$1,723Delta
Find Deal
Wed, 27 Aug - Fri, 12 Sep

Air Canada flights from Austin to Sydney

Our best Air Canada deals on Austin to Sydney flight tickets
Air Canada
17 Sept
AUS10:00Austin Bergstrom
54h 20m
2 stops
SYD07:20Sydney Kingsford Smith
24 Sept
SYD09:20Sydney Kingsford Smith
25h 51m
1 stop
AUS20:11Austin Bergstrom
Air Canada
4 Aug
AUS08:40Austin Bergstrom
46h 40m
2 stops
SYD22:20Sydney Kingsford Smith
11 Aug
SYD09:20Sydney Kingsford Smith
25h 52m
1 stop
AUS20:12Austin Bergstrom
Air Canada
4 Aug
AUS08:40Austin Bergstrom
36h 00m
2 stops
SYD11:40Sydney Kingsford Smith
11 Aug
SYD09:20Sydney Kingsford Smith
40h 09m
2 stops
AUS10:29Austin Bergstrom

American Airlines flights from Austin to Sydney

Our best American Airlines deals on Austin to Sydney flight tickets
American Airlines
24 Aug
AUS16:40Austin Bergstrom
23h 25m
2 stops
SYD07:05Sydney Kingsford Smith
3 Sept
SYD09:10Sydney Kingsford Smith
23h 12m
2 stops
AUS17:22Austin Bergstrom
American Airlines
25 Aug
AUS16:40Austin Bergstrom
23h 50m
2 stops
SYD07:30Sydney Kingsford Smith
9 Sept
SYD09:10Sydney Kingsford Smith
25h 09m
1 stop
AUS19:19Austin Bergstrom
American Airlines
24 Aug
AUS16:40Austin Bergstrom
22h 25m
2 stops
SYD06:05Sydney Kingsford Smith
3 Sept
SYD17:45Sydney Kingsford Smith
20h 46m
2 stops
AUS23:31Austin 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?

The month of April is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,588. If you aren’t able to travel to Sydney during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,657.

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

Our data shows that Friday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $350. The most expensive day to fly to Sydney is Tuesday, with ticket prices averaging around $619.

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 evening. momondo users have found flights departing from Austin to Sydney in the evening for as low as $311. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $582 on average. Flights to Sydney from Austin in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $2,044 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 $1,750 on momondo.

Can stopping save me money on Austin to Sydney flights?

You could potentially save up to 48% 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 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

Best price found

$681

Fastest flight time

19h 12m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Austin in the past 72 hours is $681. The best return flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,627.
The fastest flight from Austin to Sydney takes 19h 12m
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?

    A flight from Austin Bergstrom to Sydney Kingsford Smith will travel around 13621.3 km. Flights usually cover this in 19h 44m, 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.


Travelling to a place near Sydney?

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


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Sun 13/7
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