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Cheap flights from Austin to Sydney from $877

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 16/3. 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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Find the cheapest flights from Austin to Sydney

Cheap return flights

These are some of the best return flight deals from Austin to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Austin to Sydney.

Cheap last-minute flights

Planning a quick getaway from Austin to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from Austin to Sydney

Find recent return train or bus tickets from Austin to Sydney.

All return flight deals from Austin to Sydney

The cheapest plane tickets from Austin to Sydney found on KAYAK recently.
15:45 - 09:00AUS-SYD
24h 15m1 stop
11:15 - 23:48SYD-AUS
28h 33m1 stop
$1,418American Airlines
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Tue, 4 Mar - Tue, 11 Mar
16:46 - 09:00AUS-SYD
23h 14m2 stops
11:15 - 16:42SYD-AUS
21h 27m2 stops
$1,424American Airlines
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Sat, 1 Mar - Fri, 14 Mar
20:15 - 11:45AUS-SYD
24h 30m2 stops
13:45 - 19:20SYD-AUS
20h 35m2 stops
$1,566Fiji Airways
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Sat, 17 May - Sat, 31 May
16:20 - 07:00AUS-SYD
21h 40m1 stop
11:20 - 18:06SYD-AUS
22h 46m2 stops
$1,602United Airlines
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Sat, 1 Mar - Fri, 14 Mar
19:40 - 06:55AUS-SYD
20h 15m1 stop
10:20 - 14:32SYD-AUS
19h 12m1 stop
$1,616United Airlines
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Thu, 5 Jun - Thu, 19 Jun
15:55 - 06:35AUS-SYD
23h 40m1 stop
09:25 - 19:49SYD-AUS
25h 24m1 stop
$1,679Delta
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Mon, 2 Jun - Tue, 24 Jun
08:25 - 08:35AUS-SYD
31h 10m2 stops
11:05 - 23:04SYD-AUS
28h 59m2 stops
$1,686Delta
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Mon, 17 Feb - Mon, 24 Feb
18:59 - 12:30AUS-SYD
24h 31m2 stops
14:30 - 18:09SYD-AUS
20h 39m2 stops
$1,712Fiji Airways
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Sat, 15 Feb - Sat, 22 Feb
08:30 - 10:40AUS-SYD
35h 10m2 stops
09:20 - 10:29SYD-AUS
40h 09m2 stops
$1,728Air Canada
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Sat, 21 Jun - Mon, 7 Jul
11:20 - 07:20AUS-SYD
53h 00m2 stops
09:20 - 10:29SYD-AUS
40h 09m2 stops
$1,754Air Canada
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Thu, 26 Jun - Fri, 4 Jul
19:32 - 09:00AUS-SYD
21h 28m2 stops
$877American Airlines
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Sun, 16 Mar
16:55 - 06:55AUS-SYD
23h 00m2 stops
$888United Airlines
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Mon, 28 Apr
06:19 - 09:05AUS-SYD
33h 46m2 stops
$899United Airlines
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Fri, 7 Mar
22:10 - 09:05AUS-SYD
41h 55m1 stop
$924United Airlines
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Fri, 7 Mar
06:10 - 06:35AUS-SYD
33h 25m2 stops
Thu, 26 Jun
19:00 - 20:40AUS-SYD
32h 40m3 stops
$1,844Air Tahiti Nui
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Fri, 7 Mar
17:00 - 08:25AUS-SYD
48h 25m3 stops
$3,213
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Thu, 26 Jun
06:00 - 17:55AUS-SYD
43h 55m3 stops
$3,589Singapore Airlines
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Sun, 16 Mar
07:00 - 10:30AUS-SYD
34h 30m2 stops
$6,591ANA
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Wed, 5 Mar
15:45 - 17:40AUS-SYD
32h 55m3 stops
$7,158Air Tahiti Nui
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Tue, 18 Feb
13:00 - 09:00AUS-SYD
27h 00m1 stop
11:15 - 12:46SYD-AUS
18h 31m1 stop
$1,460American Airlines
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Mon, 20 Jan - Thu, 13 Feb
17:32 - 09:00AUS-SYD
22h 28m2 stops
11:15 - 18:57SYD-AUS
24h 42m1 stop
$1,466American Airlines
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Mon, 20 Jan - Thu, 13 Feb
19:34 - 09:15AUS-SYD
20h 41m1 stop
12:10 - 18:28SYD-AUS
23h 18m1 stop
$1,616United Airlines
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Fri, 24 Jan - Fri, 31 Jan
17:55 - 09:05AUS-SYD
22h 10m2 stops
12:10 - 18:28SYD-AUS
23h 18m1 stop
$1,623United Airlines
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Fri, 24 Jan - Fri, 31 Jan
11:55 - 09:35AUS-SYD
28h 40m2 stops
14:00 - 04:35SYD-AUS
31h 35m3 stops
$2,545
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Mon, 20 Jan - Thu, 13 Feb
18:55 - 12:30AUS-SYD
24h 35m2 stops
17:25 - 21:00SYD-AUS
20h 35m1 stop
$2,764
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Tue, 21 Jan - Thu, 23 Jan
16:29 - 09:05AUS-SYD
23h 36m1 stop
19:15 - 23:59SYD-AUS
45h 44m2 stops
$3,202Air New Zealand
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Wed, 22 Jan - Fri, 24 Jan
15:10 - 09:15AUS-SYD
25h 05m1 stop
11:45 - 22:03SYD-AUS
27h 18m2 stops
$3,260Air New Zealand
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Wed, 22 Jan - Fri, 24 Jan
12:47 - 09:25AUS-SYD
51h 38m3 stops
11:40 - 09:50SYD-AUS
39h 10m3 stops
$5,307LATAM Airlines
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Fri, 24 Jan - Fri, 31 Jan
10:55 - 09:25AUS-SYD
53h 30m3 stops
11:40 - 09:50SYD-AUS
39h 10m3 stops
$5,732LATAM Airlines
Find Deal
Wed, 22 Jan - Thu, 13 Feb

American Airlines flights from Austin to Sydney

Our best American Airlines deals on Austin to Sydney flight tickets
American Airlines
4 Mar
AUS15:45Austin Bergstrom
24h 15m
1 stop
SYD09:00Sydney Kingsford Smith
11 Mar
SYD11:15Sydney Kingsford Smith
28h 33m
1 stop
AUS23:48Austin Bergstrom
American Airlines
1 Mar
AUS16:46Austin Bergstrom
23h 14m
2 stops
SYD09:00Sydney Kingsford Smith
14 Mar
SYD11:15Sydney Kingsford Smith
21h 27m
2 stops
AUS16:42Austin Bergstrom
American Airlines
7 Feb
AUS14:05Austin Bergstrom
25h 55m
1 stop
SYD09:00Sydney Kingsford Smith
12 Mar
SYD11:15Sydney Kingsford Smith
28h 33m
1 stop
AUS23:48Austin Bergstrom

United Airlines flights from Austin to Sydney

Our best United Airlines deals on Austin to Sydney flight tickets
United Airlines
1 Mar
AUS16:20Austin Bergstrom
21h 40m
1 stop
SYD07:00Sydney Kingsford Smith
14 Mar
SYD11:20Sydney Kingsford Smith
22h 46m
2 stops
AUS18:06Austin Bergstrom
United Airlines
24 Jan
AUS12:05Austin Bergstrom
25h 55m
1 stop
SYD07:00Sydney Kingsford Smith
31 Jan
SYD11:20Sydney Kingsford Smith
21h 13m
1 stop
AUS15:33Austin Bergstrom
United Airlines
24 Jan
AUS16:22Austin Bergstrom
23h 53m
2 stops
SYD09:15Sydney Kingsford Smith
31 Jan
SYD11:50Sydney Kingsford Smith
18h 18m
1 stop
AUS13:08Austin 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 September is, on average, the cheapest month to fly to Sydney from Austin, with most prices found around $1,858. If you aren’t able to travel to Sydney during the month of September, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,913.

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

Our data shows that Monday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $0. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,620.

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 morning. momondo users have found flights departing from Austin to Sydney in the morning for as low as $0. 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 afternoon when prices are $3,104 on average. Flights to Sydney from Austin in the afternoon 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 18 weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,315 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 $1,771 on momondo.

How have Austin to Sydney flight prices changed over time?

As of January 2025, prices for Austin to Sydney flights are approximately 44% 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

$877

Fastest flight time

19h 50m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Austin in the past 72 hours is $877. The best return flight deal from Austin to Sydney found on momondo in the last 72 hours is $1,418.
The fastest flight from Austin to Sydney takes 19h 50m
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 50m, 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
Parramatta
Wollongong
Katoomba
Terrigal
Lithgow
Penrith
Leura
Manly
Coogee
Cronulla
Randwick
Bondi Beach
Charlestown
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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